BusLogic BT-440C User manual

--z,
,/,’
;
‘p
,’
/

Revision History
Revision
Change Activity
Date
ARelease
4/l I94
Compliance Statements
This device complies with Part 15 of the FCC Rules. Operation is sub-
ject to the following two conditions: (1) this device may not cause
harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired opera-
tions.
Copyright
0 Copyright 1994 BusLogic Inc. All rights reserved.
BusLogic Inc makes no warranty of any kind with regard to this ma-
terial, including, but not limited to, the implied warranties of mer-
chantability and fitness for a particular purpose. BusLogic is not
liable for any errors contained herein or incidental or consequential
damages in connection with furnishing, performance or use of this
material.
This document contains proprietary information which is protected
by copyright. All rights are reserved. No part of this document may
be photocopied, reproduced or translated to another language with-
out prior written consent of BusLogic Inc.
Trademarks
Company and product names are trademarks or registered trade-
marks of their respective companies.
Table of Contents
Section 1: Introduction
Hardware Requirements.. ...............................................................
l-1
Software Requirements
...................................................................
1-2
Hard Drive Setup ......................................................................
1-3
Supported Operating Systems ............................................... .1-3
Device Driver Needs.................................................................
1-3
Reference Documents ......................................................................
l-4
Specifications.....................................................................................
1-4
Section 2: Installation
Installation Checklist........................................................................ 2-l
Unpacking .........................................................................................
2-2
Warranty Information ..............................................................
2-2
Installation Tools ..............................................................................
2-2
Powering Down the System............................................................
2-2
Setting the SCSI Device ID ..............................................................
2-3
Terminating SCSI Devices..............................................................
-2-3
Configuring Switch Settings..........................................................
2-4
Installing the Adapter......................................................................
2-6
Updating System CMOS .................................................................
2-8
Section 3: Adapter Configuration
Resource Parameter Configuration ............................................... 3-l
The AutoSCSI Utility ....................................................................... 3-l
Reboot Upon Exiting Au toSCS1
.............................................. 3-2
Using the AutoSCSI Configuration Menu.. ................................. .3-3
Auto Config All Adapters
........................................................
3-3
Summary of Configuration
...................................................... 33
Select Adapter
...........................................................................
35
Configure Adapter
....................................................................
35
Configure Device
.......................................................................
38
Advanced Options
..................................................................
3-10
Testing Adapter Connectivity ..................................................... .3-13
Using the AutoSCSI DMA Test on I/O Port Option.. .....
..3-13

Table of Contents, continued
Section 4: Hard Drive Setup
Formatting
the Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Using
the AutoSCSI Utilities Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Format Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Verify Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
SCSI Device Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Setting Up
the Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Installing Device
Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5
Section 5: Troubleshooting
Appendix A: BT-445C Switch Settings
Introduction
The BusLogic BT-440C/445C VESA Host Adapter is an intelligent VL-Bus
to SCSI bus master host adapter based on a BusLogic-designed, MultiMas-
term ASIC technology. It provides a high-performance interconnection be-
tween the Video Electronics Standards Association’s (VESA) bus and up
to seven Small Computer System Interface 6CSI) peripheral devices. The
BT-440C/445C offers device driver support for major industry standard
operating sys terns.
BusLogic host adapters offer exceptionally high product reliability due to
reduced component count and lower power ccnsumption. Minimized
command overhead results in faster command execution. Adapter BIOS
supports up to 8 GBytes capacity per disk.
The BT-44OC is the same as the BT-445C, but without the floppy connector.
For the remainder of this manual, BT-445C refers to both models except as
noted.
Hardware Requirements
Your VESA computer needs:
n One available expansion VL slot for each BT445C being installed
n At least one 3.5” floppy drive
n DC power for an internal 3.5” SCSI drive or an external subsystem
You’ll need the following cables:
w A 50-pin cable with a high density connector to connect the BT-445C to
external devices
introduction m l-l

.ED connector Floppy connector
Internal SCSI connector
ExEY~l
Connector
(SCSI 2)
Figure l-1. The BF445C Host Adapter
H A 50-pin, flat ribbon cable to connect internal SCSI devices to the adapter
H A 34-pin flat ribbon cable to connect a floppy drive (BT45C only)
n An optional four-pm cable to connect the drive activity LED on the host
front panel to the adapter
The peripherals you are attaching to the BT45C should be SCSI-2 Com-
mon Command Set (CC9 compatible.
Software Requirements
You need the following software:
n Software for hard drive set-up to perform partitioning and high-level
formatting
H Operating system software for hard drives being installed
# Device drivers as described below
Introduction l 1-2
Hard Drive Setup
BusLogic provides a low-level format utility as part of onboard adapter
configuration (see the AutoSCSI m description in Section 3). You can use
this utility if your hard drive has not been previously formatted or requires
a low-level format as indicated by error conditions.
In addition, you need partitioning and high-level formatting tools which
are used to prepare the hard drive for operating system installation. Your
operating system software may incorporate these high-level format and
partitioning functions as part of its operating system installation or may of-
fer them as separate utilities. For example, DOS provides FORMAT and
FDISK in its utilities suite.
Supported Operating Systems
BusLogic has embedded driver support in the kernel of the following op-
era ting systems:
n NetWare
n Windows NT
n Interactive UNIX
a SCOUNIX
n UNIXWare
w Solaris (for x86)
n Vines
The BT-445C offers device drivers for the following operating systems:
n PC-DOS or MS-DOS
n IBM OS/2 or MS-OS/2
n NextStep
Device Driver Needs
Device drivers are needed to alIow devices attached to the adapter to be
recognized by and operate with the operating system. In some cases, the
operating system has embedded or built-in support for basic hard drive
configurations. This means you can install up to a specific number of hard
drives without having to install additional device driver software.
If you are installing other types of devices, such as a tape backup device or
a scanner, you will need to install device drivers to support those devices.
These drivers either come with the operating system, are packaged with
the device, or are available from third-party vendors.
Introduction n 1-3

Reference Documents
You should have the following documents on hand during installation:
The installation and set-up guide for your computer
The installation guide for your SCSI peripherals
(e.g., hard drive, CD-ROM or tape drive)
Operating system installation and user’s guide
Installation guide for BusLogic or third-party device drivers
(if applicable)
Specifications
Dimensions:
9.5”L x 3.25”W x 0.5”H 1.
Electrical:
Operating Voltage
Operating Current
Max. Ripple/Noise
5f0.25V
.5A Max.
100 mV
Environmental:
Temperature
Relative Humidity
Altitude
0°C to 60°C (32°F to 140°F)
10% to 95% non-condensing
0 to 10,000 ft. operating
0 to 15,000 ft. non-operating
Interface Connections:
SCSI internal
50-pin double-row connector
SCSI External
50-pin high density shielded SCSI connector
Floppy 34-pin AT-compatible ribbon style (BT-44!X only)
To/From System
MTBF
IBM PC/AT standard 36-pin, 62-pin and the VL-Bus 116-pin
edge connector
90,000 hours
Installation
Installation Checklist
Host adapter installation involves the following steps:
2.
3.
4.
5.
6.
7.
a.
9.
Unpacking the host adapter and opening up the host system for adapter
installation.
Setting the SCSI ID for all devices being connected to the host adapter.
Each device must have a unique ID.
Terminating SCSI devices. Be sure that only two terminators are en-
abled, one at either end of the SCSI chain.
Configuring the board switch settings.
Installing the adapter.
Updating your host system CMOS.
Configuring optional adapter operating parameters: customizing
adapter operation for your environment.
Testing the adapter-to-motherboard communication.
Low-level formatting the hard drive (if needed).
10. Partitioning the hard drive and installing the operating system onto the
hard drive into the newly-created partition(s).
11. Installing the device drivers onto the hard drive so that the host adapter
can operate with the hard drive’s operating system and attached pe-
ripheral devices.
lntroducfion m l-4
Installation m 2-l

Setting the SCSI Device ID
Unpacking
Before handling the BT-445C, take precautions to avoid damage from elec-
trostatic discharge: either use a grounding strap, or, touch your computer
on a metal part to discharge static electricity before handling the board. Al-
ways hold the board by the edges, even after static electricity is discharged.
Remove the board from its protective envelope. Check that your shipment
is complete with cables, documentation and diskette. Then verify that no
physical damage occurred during shipping by inspecting the board for
bent pins, loose parts, broken traces, and chipped or broken connectors.
Warranty Information
If damage to the board has occurred, return it in the protective envelope
and original packaging with this manual to your BusLogic board supplier.
The shipping agent should also be notified if the unit has been damaged
during shipment. The BusLogic warranty conditions are given in the back
of this manual.
Installation Tools
The following items may be needed to assist with installing the adapter
into your system:
Small screwdriver
Small needle-nosed pliers
Host system hardware manuals and manuals for the peripherals being
installed.
Cables for attaching SCSI peripherals to the adapter as described in Sec-
tion 1.
Powering Down the System
When you are ready to begin, power down the host system. Referring to
your host system owner’s manual, open the case to access the mother-
board and expansion slots. If the computer has been on, wait a few minutes
until the power supply case has cooled inside the computer. If the power
supply case is cold, touch it to discharge static electricity that may be on
your clothes or body If a disk drive controller board has been installed, re-
move all connecting cables to the board and lift it out of the host computer.
Each SCSI device is assigned a unique SCSI ID ranging from 0 through 7.
Your BusLogic adapter is by default set to SCSI ID 7.
Most SCSI peripheral devices are shipped with a preassigned SCSI ID
number. A SCSI ID switch is usually located on the back panel of such de-
vices. It may be in the form of a jumper or a switch whose setting indicates
the SCSI ID. If you need to change the SCSI ID for the other peripheral de-
vices, refer to the instructions in the owner’s manual for the device. To
change your adapter SCSI ID use the Host Adapter SCSI ID option on the
AutoSCSI’s Configuration Menu (Section 3, “Configure Adapter”).
Note: BIOS looks for the boot drive by scanning devices according to their SCSI
ID, starting at SCSI ID 0. If your boot drive is at a higher number than another
drive, BIOS will boot from the other drive. In this case, you need to change the
SCSI ID of the desired boot drive to a lower value.
Terminating SCSI Devices
The first and last SCSI devices connected together on a SCSI bus must have
terminators installed or enabled. Terminators, which can be connected to
either SCSI devices or SCSI cables, are required for reliable operation of the
SCSI bus.
If more than two SCSI devices are connected in a SCSI daisy chain, remove
or disable the terminator resistor pack on the middle device(s). See Figure
2-1 for the possible configurations of terminators in a SCSI system.
If the BT-445C is not being installed at either end of the SCSI bus, disable
its terminators (it is factory shipped with terminators enabled) by using
the Adapter SCSI Terminators ON option on the AutoSCSI Configuration
Menu (Section 3, “Configure Adapter”).
2-2 n Installation Installation
n 2-3

cl
1
cl
2
cl
3
-
BusLcgic
T
:
Host Adapter u
T
:
SCSI
U
Device
r , II
I 1
3-l
BusLogic
:
SCSI
:
SCSI
Host Adapter
G
’ Device
2
Device
L
BusLogic
Host Adapter
:
SCSI
I
(TERM = OFF)
c
Device
-
I
I
I
Figure 2-1. SCSI Terminator Configurations
Configuring Switch Settings
Before installing the adapter, you must check the adapter switch configu-
ration to verify that the factory-shipped settings for BIOS Address and Port
Address are correct for your system.
local bus dock speed
SWlTCH18 76543z 11
Figure 2-2. BT-445C Switch Detail
2-4 n Installation
8
8
8
I
n
The Port Address must be unique. The adapter is factory-shipped with
Port Address 330. Be sure that this value does not conflict with other in-
stalled cards.
One card in the system must have BIOS enabled. By default the BT-
445C’s BIOS is enabled at addressDCOOOH. If other cards are installed,
check each one to determine whether the default BIOS address for the
BT-445C is available.
Switch 4 selects the local bus clock speed. By default it is set for a moth-
erboard operating with a clock speed of greater than 33 MHz (Pin 4 is in
the ON position).
Switch 8 enables/disables the floppy connector on the BT-445C. It is en-
abZed (Switch 8 is in the ON position) by default.
To change the Port Address, set Switches 3,2 and 1 to the desired address
as shown in the table below:
SW3 SW2
SW1 Port Address
ON ON
ON 330 (default)
ON ON
OFF 334
ON OFF ON 230
ON OFF
OFF 234
OFF ON ON
130
OFF ON OFF
134
OFF
OFF
XX
(X=Don’t Care)
To change the BIOS Address, set Switches 7,6 and 5 to the desired address
as shown in the following table:
SW 7 SW6
SW5
BIOS Address
ON
ON ON
DC000 (default)
ON ON OFF
08000
ON OFF ON D4000
ON OFF OFF
DO000
OFF ON
ON
cc000
OFF
ON OFF C8000
OFF OFF
X
Disabled
(X=Don’t Care)
Installation a2-5

Installing the Adapter
1. To install the adapter, remove the mounting screw and the existing
bracket from the rear panel behind the selected 32-bit VL slot.
2. Press the BT-445C downward into the selected 32-bit VL slot, align the
mounting bracket, and reinstall the mounting screw.
Caution: Make sure that the board is properly seated in the slot.
3.
Connect the 50-pin SCSI cable to the adapter’s single-ended SCSI con-
nectar, J3, attaching the other end to the SCSI device. Place the connec-
tor cable around the power supply and over any other boards.
Depending on the configuration of your computer, other types of cables
could be used.
BT-44%
Internal
fqoppy Internal SCSI Connector
SCSI
Disk Floppy Drive
Drive Drive Connector
II
Systerh
Motherboard
External SCSI
Connector
Figure 2-3. BT-44% Installation
Before plugging in cable connectors, check that the ‘7” mark molded
on the connector or the colored stripe on the cable (indicating the loca-
tion of Pin 1) matches Pin 1 of the connector on the BT-445C board.
connector
L
Pin 1
Figure 2-4. SCSI Cable Installation Detail
4. If connecting to a floppy drive, insert the 34pin floppy cable from the
floppy drive into the floppy connector (J2) (BT-445C only).
PCboard
1
/
connector
Figure 2-5. BT-445C Floppy Cable Installation Detail
2-6 n Installation
Installation m 2-7

5.
6.
7.
Insert the four-pin header connector from the drive activity LED on the
front panel of the host to connector Jl on the BT445C. This connector is
reversible and may be plugged into Jl in either direction.
r LED cable
Pin 1
II
LED connector
Figure 2-6. LED Cable installation Detail
Verify that all connections are secure.
Reattach and close the cover of the host computer as described in the
system owner’s manual.
1.
2.
3.
Updating System CMOS
Once hardware installation is complete and the host computer is reas-
sembled, power up the system.
Run SETUP and configure the host CMOS RAM options. Set the drive
type option for SCSI drive to No Hard Drive Installed.
Reset the system to activate your SETUP changes.
Adapter Configuration
This section describes:
n How to use the host adapter configuration utility. Host adapter config-
uration is optional. You may skip this section and proceed to Section 4.
n A diagnostics test that checks adapter/motherboard connectivity
Resource Parameter Configuration
For most installations, the adapter will operate successfully with its facto-
ry-default configuration. It may need to be changed if resource conflicts oc-
cur. When further configuration is required, use the AutoSCSP Utility
described below.
Every BT-445C comes with an onboard configuration utility, AutoSCSI,
The AutoSCSl Utility
which resides in Read Only Memory (ROM). AutoSCSI is a menu-based tool
for configuring BusLogic SCSI host adapters. You can use AutoSCSI to set or
change SCSI and BIOSrelated parameter configuration. In addition to its
simplified configuration, AutoSCSI offers diagnostics and disk utilities.
Note: While previous generation BusLogic adapters installed in the host system
are detected and appear in AutoSCSIscreens, they cannot be configured using this
utility.
2-8 m Installation
Adapter Configuration w 3-l

AutoSCSI is available when the system is first powered up and at every
system reset. The system prompts you to press Ctrl-B at the prompt that
follows the system startup banner. For example:
BusLogic Inc.
intelligent Bus Master SCSI Host Adapter
(C) Copyright 1993, 1994 BIOS Version 4.80
BusLogic SCSI Host Adapter Firmware Version X.Xx
Press &TRL-B> to Enter AutoSCSl
When invoked, the AutoSCSI menu appears. Use the following keystrokes
for moving to and selecting menu options:
Up (T) arrow key Move up
Down (4) arrow key Move down
Left (t ) arrow key Move left
Right (+ ) arrow key Move right
<ENTER> key Use to select an option. Where the option is either Yes
or No, press <ENTER> to toggle to the desired selection.
<ESC> key Use to exit the current display.
<Fl>
Use to select Help screens.
Note that the currently-selected adapter’s I/O port address (whenmultiple
adapters are installed) is always displayed at the bottom of the screen in-
side the angle brackets (<<<....>>>). For example:
<cc Current Adapter at IO Port 334h>>>
Reboot Upon Exiting AutoSCSI
When you exit AutoSCSI after making configuration changes, the system
prompts you to reset your system:
jjl
The reboot allows changes to configuration to become operational.
Using the AutoSCSl Configuration Menu
The Configuration Menu allows you to configure your host adapter, or a
selected adapter, if more than one is installed in your system.
II
Auto Config All Adapters
Summary of Configuration
Configure Adapter
Advanced Options
Auto Config All Adapters
This option automatically configures all adapter SCSI and BIOS-related pa-
rameters to factory-default values. When you invoke the Auto Config op-
tion, the following dialog box is displayed:
II
Configure all Adapters?
II
/I
m!a
No
II
Use the Up and Down arrow keys to move to the desired selection and
press <ENTER>. Select Yes to configure all adapters. Select No to cancel the
option.
Summary of Configuration
Selecting the Summary of Configuration option allows you to see a read-
only display of current configuration for all installed adapters.
Adapter I/O Port. This field shows the base address of the registers the
host uses to communicate with the host adapter.
Adapter Type. This field identifies the model of the BusLogic host adapter.
BIOS Address. This field displays the SCSI host adapter BIOS starting ad-
dress in host memory.
3-2 n Adapter Configuration Adapter Configuration
m 3-3

L
Adapter IO Port 330h 334h 230h 234h
130h
134h
Adapter Type
BT-445C BT-445C
BIOS Address
DCOOOh
--
Interrupt Channel 11
12
DMA Channel
None
5
DMA Xfer Rate
N/A N/A
Adapter ID
7
7
SCSI Parity ON Yes Yes
Adapter Term. ON Yes Yes
DOS Space > 1GB No No
Firmware Revision 4.00 4.00
BIOS Revision
4.80
--
Interrupt Channel. This field shows the hardware interrupt line (IRQ)
number that the adapter uses to generate interrupts to the host. The adapt-
er issues an interrupt whenever it requests attention from the host. You
may use the Configure Adapter screen option to change the IRQ value.
DMA ChanneLThis field shows the DMA channel setting used by the
adapter card for data transfers between the adapter and system memory.
This value applies to ISA platform adapters. For other adapter types, a
DMA channel may have to be specified where DMA emulation is required,
depending on the device driver. To change it, use the Configure
Adapter
screen option.
DMA Xfer Rate. This field does not apply to this product.
Adapter ID. This field displays the SCSI ID for the adapter on the SCSI bus.
There are eight SCSI IDS (O-7) on a SCSI bus. You may use the Configure
Adapter screen option to change the adapter SCSI ID value.
SCSI Parity On. This field indicates whether parity on the SCSI bus is de-
tected by the adapter or not. You may use the Configure Adapter option to
turn the SCSI parity detection on or off.
Adapter Term. On. This field indicates whether adapter SCSI termination
is turned on or not. SCSI devices are daisy-chained together and a termi-
nator is required at each end of the chain. Should the selected adapter be
at the beginning or end of the SCSI chain, this value must be set to On. You
may use the Configure Adapter screen option to set or change this value.
DOS Space > 1GB. This field displays whether this option is turned on or
off. How this value is set depends on DOS size requirements and the boot
requirements of other operating systems. See the detailed description of
this option under Advanced Configuration later in this section.
Firmware Revision. This field shows the host adapter’s onboard firmware
revision level.
*
BIOS Revision. This field displays the revision level of the onboard BIOS.
Select Adapter
(I
Where multiple adapters are installed, use this option to select the adapter
to be configured. When you select this option, you will see a display like
the following listing all the adapters in the system:
I
~
334
134
Select the desired adapter by using the Up or Down arrow keys. Note that
the current adapter is indicated by an asterisk. It is also always displayed
at the bottom of the screen.
Configure Adapter
The Configure Adapter screen lets you customize key parameters in adapt-
er card operation. When you select this option, a display like the following
appears:
I,
1
II Host Adapter Interrupt Channel
(IRO)
Im II
.,
ISA DMA Channel Emulation None
DMA Transfer Rate (MB/SEC) N/A
Host Adapter SCSI ID 7
SCSI Parity ON Yes
Host Adapter SCSI Terminators ON Yes
I
1
3-4 m Adapter Configuration
Adapter Configuration n 3-5

To change a value for any of the options, first move to the desired param-
eter using the Up and Down arrow keys and press <ENTER>. A pop-up
menu listing possible values for this parameter appears. An asterisk (‘1 in
the option display indicates the current value for that parameter. Choose a
new value from the popup list and press <ENTER>. If you make any con-
figuration changes, before you leave the Configuration Menu, Auto931
prompts:
SAVE CHANGES?
When you select Yes, any configuration changes you have made are stored
in Electrically Erasable Programmable Read Only Memory (EEPROM) and
are recalled upon system reset.
If you enter No, your changes are canceled.
Host Adapter Interrupt Channel (IRQ). The system automatically config-
ures an IRQ value for the adapter. Use this option to change the value
where an IRQ conflict occurs. When one adapter is installed, the default setting
is Il.
ISA DMA Channel Emulation. Use this option to change the DMA chan-
nel. While only ISA platform host adapters actually use the DMA channel
for system memory data transfers, a channel selection may be needed
where ISA DMA emulation is required to support older versions of device
drivers developed for the ISA bus. The default setting is None.
Data Transfer Rate. Not applicable to this product.
Host Adapter SCSI ID. Use this option to change the adapter’s SCSI ID on
the SCSI bus. This is important with regard to the booting device. BIOS
scans for the boot device starting from SCSI ID 0. Be sure that the desired
boot drive has a lower value SCSI ID than other drives and the host adapt-
er. The default SCSI ID for the host adapter is 7.
SCSI Parity ON. This setting allows you to enable or disable parity check-
ing detection by the adapter on the SCSI bus. Select Yes to enable or No to
disable parity checking detection. Press <ENTER> to toggle between selec-
tions. There are 8 bits of data plus one bit of parity on a standard SCSI bus.
The default setting is Yes to enable purity checking detection.
3-6 aAdapter Configuration Adapter Configuration
B 2-7

Host Adapter SCSI Terminators On. This setting allows you to enable or
disable host adapter SCSI termination. Only terminators on devices at both
ends of the SCSI chain should be turned on. Select Yes to enable or No to
disable termination. Press <ENTER> to toggle between selections. The de-
fault setting is Yes to enable SCSI termination.
Configure Device
Configure Device options let you configure common SCSI and BIOSrelat-
ed options. When selected, the following appears:
SCSI Device ID
#O #l #2 #3 #4 #5 #6 #7
Enable Sync Negotiation Yes Yes Yes Yes Yes Yes Yes HA
Enable Disconnection Yes Yes Yes Yes Yes Yes Yes HA
“‘BIOS Related Options, Applicable if BIOS is enabled”’
BIOS SendsStart Unit Command No No No No No No N O HA
Ignore in BIOS Scan No No No No No No No HA
The host adapter, indicated as HA, is not a target device and, therefore,
cannot be configured from this table. All options are either Yes or No. Use
the Up and Down arrow keys to move to the desired option. Press <EN-
TER> to toggle between selections. If you make any configuration changes,
before you leave the Configuration Menu, AutoSCSI prompts:
When you select Yes, any configuration changes you have made are stored
in EEPROM. If you enter No, your changes are canceled.
Enable Sync Negotiation. Use this option to enable or disable the synchro-
nous data transfer negotiation between the host adapter and each SCSI de-
vice connected to the SCSI bus. The SCSI protocol determines the REQ/
ACK offset and the data transfer rate for synchronous data transfers be-
tween an initiator and a target on the SCSI bus. BusLogic host adapters are
capable of up to 10 MBytes/set SCSI data transfers. However, the actual
data transfer rate is determined by the SCSI target device if the device has
a transfer rate lower than that of the adapter.
This option is offered because some classes of SCSI devices do not support
synchronous data transfer. An attempt to perform this negotiation protocol
may result in an unpredictable response from the SCSI device. Check your
SCSI device manual before enabling this option.
Select Yes to allow the adapter to initiate synchronous negotiation; select
No to allow the target device to initiate synchronous negotiation. The de-
fault is Yes.
Enable Disconnection. Use this option to enable or disable SCSI discon-
nection on each target device. This option allows a SCSI device to discon-
nect itself when the device is not ready for data transfer. When multiple
devices are connected to the same SCSI bus, SCSI disconnection allows
SCSI devices to perform seek operations in parallel and thus improve over-
all SCSI bus performance. The default is Yes.
BIOS Sends Start Unit Command. This option allows you to identify the
SCSI devices whose motor spin up is sequentially controlled by BIOS at
power-up. This prevents all drives from spinning up at the same time. This
feature is only effective if BIOS is enabled. The default is No.
Ignore in BIOS Scan. This option lets you exclude selected drives from
BIOS scan and registration. This feature is useful when you want to ex-
clude, for example, a removable device, from BIOS Int 13H support. Use
this option if you want to allow BIOS to boot from something other than
the default target. For example, to have BIOS boot from SCSI ID 3, exclude
SCSI ID 0,l and 2. This feature is only effective if BIOS is enabled. The de-
fault is No.
3-8 n Adapter Configuration Adapter Configuration n 3-9

Advanced Options
Advanced Options allow you to configure advanced BIOSrelated options.
When selected, the following appears:
Host Adapter BIOS Enabled
Host Adapter BIOS Uses INT 19h for System Boot
Host Adapter BIOS Supports DOS Space > 1GB
BIOS Supports Removable Disk as Fixed Disk
BIOS Supports for > 2 Drives (DOS 5.0 or Above)
Support Immediate Return on Seek Command
Support Floptical Drive
Enable SCSI Bus Reset
Reserved RAM for BIOS access (segment: Offset) 0:
Yes
Yes
No
No
Yes
Yes
No
Yes
200
Enable VESA burst write
No
Enable VESA burst read
No
All options are either Yes or No. Use the Up and Down arrow keys to move
to the desired option. Press <ENTER> to toggle between selections. If you
make any configuration changes, before you leave the Configuration
Menu, AutoSCSI prompts:
m
SAVE CHANGES?
=
No
When you select Yes, any configuration changes you have made are stored
in EEPROM. If you enter No, your changes are canceled.
Host Adapter BIOS Enabled. This read-only field displays whether BIOS
is enabled or disabled for the selected host adapter. If multiple adapters are
installed, only one may have BIOS enabled. The exception is the new BIOS
(Version 4.8 or later) which allows multiple adapters to operate with BIOS
enabled as long as the BIOS addresses do not overlap.
3-10 n Adapter Configuration
Host Adapter BIOS Uses INT 19 for System Boot. This option allows you
to include or exclude the adapter onboard BIOS in the DOS boot process.
This option is irrelevant if an IDE drive is present in the system as DOS will
boot from IDE. If no IDE drive is present and this option is enabled, the
adapter’s onboard BIOS will redirect INT 19H to itself to boot from a SCSI
boot drive. If this option is not enabled, the motherboard BIOS can only
boot from a floppy drive or an IDE device. Select Yes to enable or No to dis-
able this option. The default is Yes.
Host Adapter BIOS Supports DOS Space > 1GB. This option enables the
adapter onboard BIOS to support up to 8 Gigabytes of DOS disk space per
drive. In a DOS environment, Interrupt 13H calls are routed through the
BusLogic host adapter’s ROM BIOS. The onboard BIOS intercepts INT 13H
calls and dispatches a command to the adapter for all host-to-SCSI disk ac-
cesses. When this option is enabled, the adapter BIOS can access up to 8
GBytes per disk. If not, it can only access the first GByte even if the format-
ted disk capacity is greater than 1 GByte.
This 1 GByte restriction does not apply to other operating systems, such as
Windows NT, NetWare, UNIX, or OS/2, if the operating system can boot
without accessing >l GByte. If the operating q-stern’s bootable image re-
sides below 1 GByte then it can boot via Interrupt 13H. Once any of these
operating systems are booted, the disk accesses are not routed through In-
terrupt 13H and the operating system can access the entire disk space even
if the > 1 GByte option is not turned on.
Under SC0 UNIX 3.2.2 and older, the >l GByte option must be turned off
because the operating system itself has a 1 GByte limitation. Otherwise,
disk images may be corrupted when the 1 GByte boundary is exceeded.
For SC0 UNIX 3.2.4 and later versions the operating system does not im-
pose the 1 GByte limit, and this option can be turned on or off accordingly.
The > 1 GByte support must be turned on under the following two condi-
tions: (1) the combined space of all the DOS partitions exceeds 1 GByte or
(2)> 1 GByte disk accesses are required to boot the operating system.
Selecting Yes enables this option; selecting No disables it.
Before selecting Yes to enable this option, back up all files on those drives
that have a capacity greater than 1 GByte. Upon enabling the option, you
must reformat all drives with the greater than 1 GByte capacity and rein-
stall all the files. The default is No.
Adapter Configuration m 3-11

BIOS Supports Removable Disks as Fixed Disks. This option enables the
adapter BIOS to register removable disks as fixed disks and access them
via Interrupt 13H. Enabling this option forces a limitation on the remov-
able disk: when adapter BIOS supports removable disks, DOS will not be
able to handle media change. DOS cannot dynamically change partition in-
formation after it registers the disk partitions during power-up, even if the
adapter BIOS reports a media change. If the device must be removable, dis-
able this option and use a DOS driver (such as BusLogic’s DOS Manager)
to access removable disks.
Selecting Yes enables this option; selecting No disables it. The default is No.
BIOS Supports > 2 Drives (DOS 5.0 or Above). Use this option when run-
ning DOS 5.0 or higher to allow BIOS to support more than two hard disk
or removable drives on the SCSI bus. During power-up BIOS scans and
registers devices, starting from target ID 0 on the SCSI bus. If this option is
disabled, BIOS scans only the first two SCSI devices. If this option is en-
abled, BIOS will scan and register devices up to the highest target ID num-
ber on the SCSI bus. During scanning, BIOS skips IDS that do not have a
target device present.
Selecting Yes enables this option; selecting No disables it. The default is Yes.
Supports Immediate Return on Seek Command. Enabling this option al-
lows BIOS to return completion status immediately without executing the
seek operation. This option enhances performance for the application that
uses this BIOS function. Selecting Yes enables this option; selecting No dis-
ables it. The de@& is Yes.
Supports Floptical Drives. When this option is enabled BIOS registers and
controls floptical devices. Disable this option if you have application soft-
ware, such as Core1 software, to control floptical devices. Selecting Yes en-
ables this option; selecting No disables it. The default is No.
Enable SCSI Bus Reset. When this option is enabled, the adapter asserts a
SCSI bus reset signal upon detecting a hard reset. Where more than one
adapter card is connected to the same SCSI bus as multiple initiators, you
can use this option to specify only one adapter card to reset the SCSI bus
when a hard reset is detected; turn off this option on all but the desired
adapter to avoid multiple SCSI bus resets when a hard reset is detected. Se-
lecting Yes enables this option; selecting No disables it. The default is Yes.
Reserved RAM for BIOS Access (Segment: Offset) 0. Use this option to
allocate system memory for BIOS parameter storage. This option lets you
specify a conflict-free location for BIOS’ g-byte memory block. The follow-
ing options appear when this item is selected:
Select the desired value and press <RETURN>. The default is 200.
Enable VESA burst write. Enable this option (and the Enable VESA burst
read option) if the motherboard supports burst mode transfers to and from
host memory. The default is No.
Enable VESA burst read. Enable this option (and the Enable VESA burst
write option) if the motherboard supports burst mode transfers to and from
host memory. The default is No.
Testing Adapter Connectivity
Use the DMA Test on I/O Port option on the AutoSCSI Diagnostics Menu to
test the adapter’s connectivity to the motherboard. This test writes and
reads data between the adapter and the motherboard.
Using the AutoSCSl DMATest on I/O Port Option
This option tests the integrity of the adapter’s address and data path dur-
ing bus master operation. It writes data from the selected adapter’s local
memory to system memory, then reads the data back and verifies its integ-
rity. This test destroys system memory locations from 600&O through
9OOO:FFFF. This test continues until you press <ESC> to abort.
3- 12 m Adapter Configuration Adapter Configuration
n 3- 13

Upon selecting this option, you will see a display of I/O port addresses for
installed BusLogic adapters. Use the Up and Down arrow keys to move to
the desired adapter port address and press <ENTER> to start the test.
You will see a display similar to the following during testing:
Testing DMA in memory range (SegmentGfset)
The display has a counter indicating the memory locations as they are be-
ing tested and the number of test loops completed. If the test fails, AutoSC-
SI shows the failing address value. For example:
DMA test failed at the above address.
In the case of a failure, refer to your host adapter hardware set up instruc-
tions. A failure most likely indicates that there is a problem in the configu-
ration between the host system and the adapter.
Hard Drive Setup
This section shows the steps to set up a hard drive to operate with the host
adapter:
n Formatting the disk
H Partitioning/installing an operating system onto the disk
H Installing device drivers
Formatting the Hard Drive
Use the Fom?at Disk option on the AutoSCSI Utilities Menu to low-level
format your SCSI hard disk drive. Because most off-the-shelf hard drives
are factory formatted, it is unlikely that you need to perform this proce-
dure. If, however, you have an un-formatted disk, or if you are experienc-
ing problems with your hard drive that indicate the need for a low-level
format, use this option.
Once formatting is complete, run the Verify Disk option on the Utilities
Menu to check the results of the format. Both options are described in the
following section.
Warning: The format will erase all data on your disk drives. Before formatting
make sure that all necessa y data is backed up on another drive.
3-14 n Adapter Configuration
Hard Drive Setup I 4-l

Using the AutoSCSl Utilities Menu
The Utilities Menu offers disk format and verification of SCSI disk devices
connected to a selected adapter.
When a Utilities Menu option is invoked the first time, BIOS scans and reg-
isters all SCSI devices connected to the selected adapter and displays the
following message:
II
Scanning all SCSI devices... II
Once the scan is complete, the utility displays a list of attached SCSI devic-
es. For example:
SCSI ID 0 :
SCSI ID 1 :
SCSI ID 2 :
SCSI ID 3 :
SCSI ID 4 :
SCSI ID 5 :
SCSI ID 6 :
SCSI ID 7 :
MAXTOR 708OSCS
NO DEVICE
NO DEVICE
NO DEVICE
NO DEVICE
NO DEVICE
NO DEVICE
BusLogic BT-445C
Select the desired device and press <ENTER>. When you have selected the
Format Disk or the Verify Disk option, the following is displayed for con-
firmation:
CONFIRM
Yes
m
Select Yes to start the operation for the selected device or No to cancel it.
Format Disk
The Format Disk option performs a low-level disk format operation on a
selected disk device. This low-level format destroys all data including any
directories.
Caution: Before invoking this option, be sure to back up the device being fomat-
fed as formatting will destroy all dafa on it.
During formatting, you will see a display like the following:
Formatting...Please wait for completion.
The duration of the format depends on the size of the drive. If an error oc-
curs, AutoSCSI will report that the format failed. If a failure occurs, refer to
troubleshooting guidelines in the manuals for your drive. The format pro-
cess cannot be stopped once it has started.
Once the format is complete and no errors have occurred, AutoSCSI dis-
plays:
Operation successful. Press any key to continue.
4-2 m Hard Drive Setup
Press any key to return to the previous menu.
Hard Drive Setup m 4-3

Verify Disk
The Verify Disk option scans the media of a selected device. Use this utility
to verify that your hard drive is operable. During the course of the scan,
you will see a display such as the following:
1
Verifying...Please wait for completion. 11
You will need to take the following steps to configure your hard drive for
operation:
The duration depends on the size of the drive. If an error occurs, AutoSCSI
will report that the verification failed. If a failure occurs, refer to trouble-
shooting guidelines in the manuals for your drive. Press <ES0 to stop the
verification process.
Once completed and no errors have occurred, AutoSCSI displays:
n Install the operating system.
H Create a partition on the drive for your operating system and high-level
formatting the drive.
Operation successful. Press any key to continue.
Press any key to return to the previous menu.
SCSI Device Information
The SCSI Device Information option lets you display information about a
specified device. When you select this option, it displays a list of attached
SCSI devices. Select the desired device and press <ENTER>. For example:
Vendor ID
Product ID
Firmware Version
ANSI Version
Synchronous Mode
Negotiated Offset
Transfer Period
SCSI Linking
Command Oueuing
Disconnection
Device Capacity (MB)
Sector Size (Byte)
: MAXTOR
: 700QScs
: 2974
: SCSI-1
: Not Supported
:fVA
:fVA
: Not Supported
: Not Supported
: Not Supported
: 80
: 512
Refer to the manuals for your device for further information about the con-
tents in this display.
Tip: Once you have installed your device drivers, you can bring up this display to
verify Oust driver installafion is successful.
Setting Up the Hard Drive
These procedures differ depending on the operating system you are in-
stalling. Refer to your operating system documentation for details.
Installing Device Drivers
See the BusLogic SCSI Adapter Driver Software Installation Guide or third-par-
ty documentation for device driver installation details.
When you install the device drivers available from BusLogic, you will have
support for:
8
8
8
Up to four BusLogic host adapters
Up to seven SCSI peripheral devices (hard drives, etc.)
Connectivity to SCSI tape drives, magneto optical (MO) disk drives and
CD-ROM drives and other devices. Any additional drivers required for
operating these devices are included with the device.
4-4 m Hard Drive Setup Hard Drive Setup
m 4-5

Troubleshooting
If you experience a problem with adapter operation when all the installa-
tion steps are completed, check for the following:
Check that the installation procedures were followed correctly.
Be sure all connectors are firmly seated.
Check the orientation of the SCSI cable. Be sure that Pin 1 on the cable
matches Pin 1 on the adapter/SCSI device connector.
Check that the adapter and attached devices have unique SCSI IDS.
Be sure that the SCSI ID for the boot hard drive is lower than any other
drive. BIOS determines the boot drive by scanning SCSI devices starting
from 0. If the boot drive number is higher than the other drive, change
it to a lower value.
Be sure that you’ve followed termination rules and that you’ve used
AutoSCSI to disable termination if the board is in the middle of the SCSI
chain.
Check that you have correctly set the hard drive to not installed in your
sys tern SETUP file.
Verify host adapter configuration.
n Check that your configuration switch settings do not conflict with other
attached devices.
n Be sure that your VESA VL-Bus clock speed setting (SW 4) matches
your sys tern specification.
4-6 8Hard Drive Setup
Troubleshooting n 51

n The system automatically assigns an IRQ value to the board. While
there may be no conflicts among BusLogic adapters, there could be a
conflict with third-party cards in the system. Verify that each card has a
unique IRQ assignment.
H If you have changed adapter SCSI or BIOSrelated parameters via Au-
toSCS1, use the Auto Configure Al Adapters option on the AutoSCSI Con-
figuration Menu to return the board to factory set defaults (see Section
3). Check that you have selected operating parameters that do not conflict
with those of other installed adapters before re-entering your changes.
Verify hard drive configuration.
n If necessary, repeat the steps to format, partition and install the operat-
ing system on the hard drive. Be sure to back up the drive before pro-
ceeding.
Check device driver compatibility.
n Check that you have installed no more devices than your operating sys-
tem or driver can handle. For example, pm-DOS 5.0 versions of DOS
can handle only two hard drives. To handle more devices, you must in-
stall additional drivers.
n Be sure that you have installed drivers appropriate for each installed
device. For example, you cannot operate a CD-ROM device without in-
stalling a CD-ROM driver for it.
n Be sure you have compatible device driver software installed.
BT-445C Switch Settings
The following is the switch setting description from the BT-445C board.
8
Floppy 7 6
5 BIOSADDRESS 3 2 1
I/O PORT
[ON 1 ENABLED 1 ON 1 ON 1 ON 1 DCOOO 1 ON 1 ON 1 ON 1 330
1
1 OFF 1 OFF 1 X 1 DISABLED
1 OFF 1 OFF 1 X
(X=Don’t Care)
Figure A-l. BT-44% Switch Setting Description
5-2 n Troubleshooting
BTU% Switch Settings m A-l