Procomp B785 User manual

Contents
i
CONTENTS
CH1. MOTHERBOARD FEATURE...........................................................1
!SPECIFICATIONS..........................................................................1
!POWER OFF CONTROL SOFTWARE .........................................3
!PACKAGING CHECK LIST ..........................................................3
CH2. SETUP GUIDE ....................................................................................4
!MAINBOARD LAYOUT DRAWING ...........................................4
!JUMPER & CONNECTOR SETTING ...........................................5
CONNECTOR SETTING ...............................................................5
JP7 OTHER JUMPER SETTING ..................................................8
CPU TYPE SELECT ......................................................................
FAN CONNECTOR .....................................................................14
!MEMORY INSTALLATION........................................................15
CH3. AWARD BIOS SETUP......................................................................16
!THE MAIN MENU .......................................................................18
!STANDARD CMOS SETUP ........................................................20
!BIOS FEATURES SETUP ............................................................21
!CHIPSET FEATURES SETUP .....................................................27
!POWER MANAGEMENT............................................................28
!PNP / PCI CONFIGURATION SETUP ........................................34
!INTEGRATED PERIPHERALS ...................................................36
!LOAD BIOS DEFAULT ...............................................................37
!LOAD SETUP DEFAULT ............................................................37
!SUPERVISOR / USER PASSWORD SETTING..........................37
!IDE HDD AUTO DETECTION....................................................38
CH4. SOFTWARE SETUP.........................................................................39
✒ PENTIUM® II CPU INSTALLATION GUIDE...........................................P-1
REMARK
INTEL® is a registered trademark of Intel Corporation.
All other brands and product names are trademarks registered trademarks of their
respective companies.

B785
1
SPECIFICATIONS
System Chipset Intel®
44 BX chip set , ALi 513X
CPU Bus Speed Pentium®
҈/III 66/1 MHz CPU
CPU Clock 2 MHz ~ 55 MHz
emory Subsystem Expandable to 768MB(3 banks) with 168-Pin
SDRAM(DIMM) Socket X3
AGP Slot AGP Interface Specification Rev 1. Compliant
Integrated I / O
Two high speed 1655 compatible serial ports,
one Multi-Mode Parallel Port fixed
SPP/EPP/ECP standard
Two PCI Bus master Ultra DMA/33 IDE port (up
to 4 IDE Devices)
Support two 36 KB / 72 KB / 1.2MB / 1.44MB /
2.88MB / floppy disk driver
Support LS12 drives & ZIP 1 Drives
One PS/2 Mouse port
Support two USB ports
Support IrDA TX / RX header
Chapter 1
Motherboard Feature Introduction

B785
2
BIOS
2MB Award PnP BIOS with enhanced ACPI feature
for PC98 compliance.
Supports Trend ™ ChipAway AntiVirus.
DMI feature support
Support secondary device boot
Expansion slot
Three 32-bit PCI Slots & One 16-bit ISA Slots
Support 3.3/5V PCI 2.1 bus Interface
EXTRA Function
Suspend LED on/off
Win95 soft power off
External SMI
Wake up by ring
Wake on Lan
On Board
ESS1898 Sound Chip
One Line Out, One Line In
One MIC, One Game port
Others Windows 95 Compatible
Dimension Micro ATX size (244 x 18 mm), 4-layer PCB

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3
POWER OFF CONTROL SOFTWARE
The motherboard design supports software power off Control feature
through the SMM code in the BIOS under Win 5 operating system
environment. It is Micro ATX form factor and you should use ATX power
supply.
First, you should connect the power switch cable (provided by the
ATX/AT case Supplier) to the connector [ PB_BT ] on the motherboard. In
the BIOS screen of “POWER MANAGEMENT SETUP”, choose “User
Defined”(or min power saving or Max power saving) in “POWER
MANAGEMENT” and choose “Yes” in “PM Control by APM”.
In Windows 5 the “ SHUT DOWN “ option , the computer’ s Power will
switch off automatically and put the PC in a suspend mode. This will be
indicated by a bunking power light. To restart the system , simply press the
Power Button.
PACKAGING CHECK LIST
The motherboard comes securely packed in a gift box and shipping carton.
If any of the above items are missing or damaged , please contact your
supplier.
The motherboard contains:
Q’ TY Description
1 Motherboard : B785
1 Driver : CD-Title
1 Cable : FDD. IDE. Connector
1 Manual : User’ s manual

B785
4
otherboard Layout Drawing
Chapter 2
Setup Guide
3V
Battery
ALi I/O
Intel 440BX PCI set
R
USB 1 / 2
T: LPT1
B:COM1
COM2
T: Mouse
B: K/B
T: Game Port
B: Audio Port
PCI 1
PCI 2
PCI 3
ISA
e ss
AudioDrive
CPU Fan
JP
JP6
JP1
JP2
JP3
JP5
JWOL1
JP8
5135SIR
JSB1
J45
KB USB COM1 COM2
MS
LPT
Speaker out Line In
MIC
MIDI/Game port
Connector Front View
JP7

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5
Jumper & Connector Setting
CONNECTOR SETTING
PS1- Keyboard Connector
Pin Description
1 Keyboard Data
2NC
3 GND
4 VCC
5 Keyboard CLK
6 Mouse Data
7 N.C.
8 Ground
9 +5V
1 Mouse Clock
J88 - ATX Power Supply Connector
Pin Description
1,2,11 + 3.3 V
3,5,7,13,15,16,17 Ground
4,6,19,2 + 5 V
8 POWER GOOD
9 5VSB
1 +12 V
12 -12 V
14 PS-ON
18 - 5 V

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6
LPT1 - Printer Connector
Pin Signal Name Pin Signal Name
1 Strobe- 14 AFD
2 Data Bit 15 Error
3 Data Bit 1 16 INIT
4 Data Bit 2 17 SLCTIN
5 Data Bit 3 18 GND
6 Data Bit 4 19 GND
7 Data Bit 5 2 GND
8 Data Bit 6 21 GND
9 Data Bit 7 22 GND
1 ACK 23 GND
11 Busy 24 GND
12 PE 25 GND
13 SLCT 26 GND
CO 1,CO 2 –Serial Connectors
Pin Signal Name Pin Signal Name
1 DCD 6 DSR
2 SIN 7 RTS
3 SOUT 8 CTS
4 DTR 9 RI
5 GND 1 NC

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J3 - Universal Serial Bus (USB) Connectors
USB1 Pin Signal Name USB2 Pin Signal Name
1 USB VCC 1 USB VCC 1
2 USB Data - 2 USB Data -
3 USB Data + 3 USB Data +
4 USB GND 4 USB GND 1
5 GND 5 GND
5135SIR - Infrared Connector: IR
Pin Signal Name
1 VCC
2 NC
3 IRRX
4 GND
5 IRTX
JS1-ESS1898 Sound Chip
JS1 Description
2-3 Disabled
1-2 Enabled
J45-CD_IN
PIN Name
1L
2GND
3GND
4R

B785
8
J7 – OTHER JUMPER SETTING
Pin Name Description
1-3 EXTSMI Suspend mode
7-9 SUS _ LED Suspend mode LED
13-15 PB _ BT Power buttem
23-25 HD – LED Hard Disk LED
2-8 SPEAKER Speaker
12-14 RST Reset buttom
18-22 PWR - LED Power LED
24-26 KEYLOCK Key Lock
JP8 – C OS Clear
JP8 Description
1-2 Normal (default)
2-3 Clear CMOS
P2 P26
P1 P25
SPEAKER RST PWR_LED
EXTSMI HD_LED
PB_BT
SUS_LED
KEYLOCK

B785
CPU TYPE Select
CPU Bus Speed - 66 Hz part :
1. 233MHz
JP1 JP2 JP3 JP JP6 JP7
Short Open Open Short Short Short
2. 266MHz
JP1 JP2 JP3 JP JP6 JP7
Short Short Short Open Short Short
3. 300MHz
JP1 JP2 JP3 JP JP6 JP7
Short Open Short Open Short Short
JP1 JP2 JP3 JP6JP5 JP7
JP1 JP2 JP3 JP6 JP5 JP7
JP1 JP2 JP3 JP6 JP5 JP7

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4. 333MHz
JP1 JP2 JP3 JP JP6 JP7
Short Short Open Open Short Short
. 366MHz
JP1 JP2 JP3 JP JP6 JP7
Short Open Open Open Short Short
6. 400MHz
JP1 JP2 JP3 JP JP6 JP7
Open Short Short Short Short Short
JP1 JP2 JP3 JP6 JP5 JP7
KQ2 KQ3 KQ4 KQ7 KQ6 KQ8
KQ2 KQ3 KQ4 KQ7 KQ6 KQ8

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7. 433MHz
JP1 JP2 JP3 JP JP6 JP7
Open Open Short Short Short Short
8. 466MHz
JP1 JP2 JP3 JP JP6 JP7
Open Short Open Short Short Short
9. 00MHz
JP1 JP2 JP3 JP JP6 JP7
Open Open Open Short Short Short
KQ2 KQ3 KQ4 KQ7 KQ6 KQ8
KQ2 KQ3 KQ4 KQ7 KQ6 KQ8
KQ2 KQ3 KQ4 KQ7 KQ6 KQ8

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CPU Bus Speed - 100 Hz part :
1. 300MHz
JP1 JP2 JP3 JP JP6 JP7
Short Short Open Short Open Short
2. 3 0MHz
JP1 JP2 JP3 JP JP6 JP7
Short Open Open Short Open Short
3. 400MHz
JP1 JP2 JP3 JP JP6 JP7
Short Short Short Open Open Short
JP1 JP2 JP3 JP6 JP5 JP7
JP1 JP2 JP3 JP6 JP5 JP7
JP1 JP2 JP3 JP6JP5 JP7

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4. 4 0MHz
JP1 JP2 JP3 JP JP6 JP7
Short Open Short Open Open Short
. 00MHz
JP1 JP2 JP3 JP JP6 JP7
Short Short Open Open Open Short
6. 0MHz
JP1 JP2 JP3 JP JP6 JP7
Short Open Open Open Open Short
JP1 JP2 JP3 JP6
JP5 JP7
JP1 JP2 JP3 JP6 JP5 JP7
JP1 JP2 JP3 JP6 JP5 JP7

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14
CPU TYPE SELECTION LIST
JP1~JP (For RATIO select)
RATIO JP1 JP2 JP3 JP
3.0 Short Short Open Short
3.5 Short Open Open Short
4.0 Short Short Short Open
4.5 Short Open Short Open
5.0 Short Short Open Open
5.5 Short Open Open Open
JP6 (For BUS clock)
CLOCK JP6
66 MHz Short
100 MHz Open
JP7 (CPU BUS Clock manual / Auto detect)
CLOCK JP7
Default (Auto Detect) Short
Force BUS CLOCK up to 100 MHz Open
FAN CONNECTOR
JP9: This fan is used in CPU COOL FAN.
Short Open
JP
GND +12V
12
3
NC

B785
15
E ORY INSTALLATION
No jumper setting is necessary for DRAM setting, BIOS will check
DRAM type and size automatically. This motherboard contains 2 by
168-pin DIMM socket (DIMM1, DIMM2, DIMM3). This motherboard
has table-free ( or auto-bank ) feature and user can install DIMM into
any bank. The three DIMMs Sockets for system memory expansion
from 8MB to 768MB. Each bank provides 64-bit wide data path. You
can install 1 MHz SPD RAM or 66MHz SD RAM into this
motherboard, select by your CPU clock.
NOTE: Samples of System emory Combinations Options
DI 1 DI 2 DI 3 TOTAL
8MB --- --- 8MBytes
--- 8MB --- 8MBytes
--- --- 8MB 8MBytes
8MB 8MB --- 16MBytes
--- 8MB 8MB 16MBytes
8MB --- 8MB 16MBytes
16MB --- --- 16MBytes
--- 16MB --- 16MBytes
--- --- 16MB 16MBytes
8MB 8MB 8MB 24MBytes
16MB 8MB --- 24MBytes
16MB --- 16MB 32MBytes
16MB 16MB --- 32MBytes
--- --- 32MB 32MBytes
--- 32MB --- 32MBytes
32MB --- --- 32MBytes
8MB 16MB 16MB 4 MBytes
32MB 32MB --- 64MBytes
--- 32MB 32MB 64MBytes
64MB --- --- 64MBytes
64MB 64MB --- 128MBytes
--- 64MB 64MB 128MBytes
128MB 128MB 128MB 384MBytes
: : : :
256MB 256MB 256MB 768MBytes

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16
Award BIOS ROM has a built-in Setup program that allows users to
modify the basic system configuration. This type information is stored in
battery-backed RAM so that it retains the Setup information when the power
is turned off.
Entering Setup
Power on the computer and press <Del> immediately will allow you to
enter Setup. The other way to enter Setup is to power on the computer ,
when the below message appears briefly at the bottom of the screen during
the POST (Power On Self Test), press <Del> key or simultaneously press
<Ctrl>, <Alt>, and <Esc> keys.
TO ENTER SETUP BEFORE BOOT PRESS CTRL-ALT-ESC OR
DEL KEY
If the message disappears before you respond and you still wish to enter
Setup, restart the system to try again by turning it OFF then ON or pressing
the “RESET” button on the system case. You may also restart by
simultaneously press <Ctrl>, <Alt> and <Del> keys. If you do not press the
keys at the correct time and the system does not boot , an error message will
be displayed and you will again be asked to,
PRESS F1 TO CONTINUE, CTRL-ALT-ESC OR DEL TO ENTER
SETUP
Control Keys
Up Arrow Move to previous item
Down Arrow Move to next item
Left Arrow Move to the item in the left hand
Chapter 3
Award BIOS Setup

B785
17
Right Arrow Move to the item in the right hand
Esc Key Main Menu Quit and not to save changes to CMOS
Status Page setup menu and Option Page
Setup Menu Exit current page and return to Main Menu
PgUp Key Increase the numeric value or make changes
PgDn Key Decrease the numeric value or make changes
F1 Key General help, only for Status Page Setup Menu and Option
Setup Menu
F2 Key Change color from total 16 colors
F3 Key Calendar, only for Status Page Setup Menu
F4 Key Reserved
F5 Key Restore the previous CMOS value from BIOS, only
for Option Page Setup Menu
F6 Key Load the default CMOS value from BIOS default table, only
for Option Page Setup Menu
F7 Key Load the default
F8 Key Reserved
F Key Reserved
F10 Key Save all the CMOS changes, only for Main Menu
Getting Help
ain enu
The on-line description of the highlighted setup function is displayed at
the bottom of the screen.
Status Page Setup enu/Option Page Setup enu
Press F1 to pop up a small help window that describes the appropriate
keys to use and the possible selections for the highlighted item. To exit the
Help Window press <Esc>.

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The ain enu
Once you enter Award BIOS CMOS Setup Utility, the Main Menu will
appear on the Screen.. Use arrow keys to select among the items and
press to accept or enter the sub-menu.
ROM PC/ISA BIOS (2A6 KPNH)
CMOS SETUP UTILITY
AWARD SOFTWARE, INC.
STANDARD CMOS SETUP
BIOS FEATURE SETUP
CHIPSET FEATURES SETUP
POWER MANAGEMENT SETUP
PNP/PCI CONFIGURATION
LOAD BIOS DEFAULTS
LOAD SETUP DEFAULTS
INTEGRATED PERIPHERALS
SUPERVISOR PASSWORD
USER PASSWORD
IDE HDD AUTO DETECTION
HDD LOW LEVEL FORMAT
SAVE & EXIT SETUP
EXIT WITHOUT SAVING
Esc : Quit ←↑↓→ : Select Item
F10 : Save & Exit Setup (Shift) F2 : Change Color
Standard CMOS Setup
This setup page includes all the items in a standard compatible BIOS.
BIOS Features Setup
This setup page includes all the items of Award special enhanced features.
Chipset Features Setup
This setup page includes all the items of chipset special features.