Pentium ROCKY-548TX User manual

ROCKY–548TX Ver. 6.x
Pentium®
Single Board Computer
@Copyright 1998
All Rights Reserved.
Manual forth edition Apr.10,1998
The information in this document is subject to change without prior notice in order
to improve reliability, design and function and does not represent a commitment on
the part of the manufacturer.
In no event will the manufacturer be liable for direct, indirect, special, incidental, or
consequential damages arising out of the use or inability to use the product or
documentation, even if advised of the possibility of such damages.
This document contains proprietary information protected by copyright. All rights
are reserved. No part of this manual may be reproduced by any mechanical,
electronic, or other means in any form without prior written permission of the
manufacturer.
Tr ade mar ks
ROCKY-548TX is registered trademarks of Acquire Inc.,IBM PC is a registered
trademark of International Business Machines Corporation. Intel is a registered
trademark of Intel Corporation. AMI is registered trademarks of American
Megatrends, Inc. Other product names mentioned herein are used for identification
purposes only and may be trademarks and/or registered trademarks of their
respective companies.

1
Contents
1. Introduction ........................................................ 3
1.1 Specifications.....................................................................................4
1.2 What You Have................................................................................... 5
2. Installation.......................................................... 6
2.1 ROCKY-538TXV Ver. 6.x Layout......................................................... 6
2.2 Unpacking.......................................................................................... 8
2.3 Setting the CPU of ROCKY-548TX Ver 6.x........................................... 9
2.4 PS/2 Mouse IRQ12 Setting ................................................................ 11
2.5 Watch-Dog Timer ............................................................................. 12
2.6 DiskOnChip™ Flash Disk .................................................................. 12
2.7 Clear CMOS Setup............................................................................ 13
2.8 Battery Backup for CMOS Setup ....................................................... 13
2.9 BIOS Flash Chip Write Voltage Setting ............................................. 14
3. Connection....................................................... 15
3.1 Floppy Disk Drive Connector ............................................................. 15
3.2 PCI E-IDE Disk Drive Connector........................................................ 16
3.3 Parallel Port...................................................................................... 17
3.4 Serial Ports ...................................................................................... 17
2
3.5 Keyboard Connector ......................................................................... 18
3.6 External Switches and Indicators........................................................ 18
3.7 PS/2 Mouse 6-Pin Mini-DIN Connector .............................................. 19
3.8 External Battery Connector ............................................................... 20
3.9 USB Port Connector .......................................................................... 20
3.10 IrDA Infrared Interface Port ............................................................... 20
3.11 Fan Connector .................................................................................. 21
3.12 +5V Standby Connector for ATX Power Supply ................................... 21
3.13 ATX Power Switch / Soft Power Switch Connector ............................... 22
4. AWARD BIOS Setup ....................................... 23
4.1 Getting Start..................................................................................... 23
4.2 Standard CMOS Setup ...................................................................... 24
4.3 BIOS Features Setup ........................................................................ 26
4.4 Chipset Features Setup..................................................................... 27
4.5 Integrated Peripherals ...................................................................... 28
4.6 Power Management Setup ................................................................. 29
4.7 PNP/PCI Configuration...................................................................... 30
5. E2Key Function ................................................ 31
Appendix A. Watch-Dog Timer ............................. 33

3
1
Introduction
Welcome to the ROCKY-548TX Pentium® Single Board Computer.
The ROCKY-548TX board is an ISA/PCI form factor board, which
comes equipped with high performance Pentium® CPU and
advanced high performance multi-mode I/O, designed for the
system manufacturers, integrators, or VARs that want to provide all
the performance, reliability, and quality at a reasonable price.
This board built-in DiskOnChip™(DOC) Flash Disk for embedded
application. The DOC Flash Disk is 100% compatible to hard disk.
User can use any DOS command without any extra software utility.
The DOC currently is available from 2MB to 72MB.
An advanced high performance super AT I/O chip – Winbond
W83977TF is used in the ROCKY-538TXV board. Both on-chip
UARTs are compatible with the NS16C550. The parallel port and
IDE interface are compatible with IBM PC/AT and XT architecture's.
In addition, the ROCKY-548TX Ver. 6.x provides two 168-pin DIMM
sockets for its on-board DRAM. The RAM module accepts 8MB,
16MB, 32MB,64MB or 128B. So,the total on-board memory can be
configured from 16MB to 256MB.
ROCKY-548TX uses the advanced INTEL Chipset,430TX
which is 100% ISA/PCI compatible chipset.with PCI 2.1 standard.
1.1 Specifications :
4
The ROCKY-548TX Pentium® Single Board Computer provides the
following specification:
•CPU : Pentium® MMX up to 233Mhz, AMD K6 processor up to 300MHz,
Cyrix 6x86MX processor
•Bus : ISA bus and PCI 32-bit local bus,PCI 2.1 standard
•DMA channels : 7
•Interrupt levels : 15
•Chipset : Intel 430TX
•Real-time clock/calendar : in 430TX chipset,backup by industrial Li-
battery,3V/850mAH. .
•RAM memory : up to 256MB,SDRAM supported
•Second Cache memory : 512KB Pipelined Burst SRAM on board
•Ultr a DMA/33 IDE Inter face : up to four PCI Enhance IDE hard drives. The
Ultra DMA/33 IDE can handle data transfer up to 33MB/s. The best of all is
that is new technology is compatible with existing ATA-2 IDE specifications.
So there is no need to do any change for customer’s current accessory.
•Floppy disk drive interface : two 2.88 MB, 1.44MB, 1.2MB, 720KB, or
360KB floppy disk drives.
•Two high speed Series ports : NS16C550 compatible UARTs
•Bi-directional Parallel Port
•IrDA port : Support Serial Infrared(SIR) and Amplitude Shift
Keyed IR(ASKIR) interface.
•USB port : Support two USB ports for future expansion.
•Watch-dog timer : can be set by 1,2,10,20,110 or 220 seconds period.
Reset or NMI was generated when CPU did not periodically trigger the timer.
Your program use hex 043 and 443 to control the watch-dog and generate a
system r eset.
•Flash Disk - DiskOnChip™ : The Flash Disk provide 100% compatible
with hard disk. The built-in TrueFFS Transparent Flash Block Management
and Space Reclamation will let customer to use the Flash Disk with DOS
command, no need any extra software utility.

5
•Keyboard connector
•Mouse : PS/2 Mouse Port on-board.
•Power Consumption : +5V @ 4.5A
( Pentium/MMX-200,32MB SDRAM)
+12V @ 170mA , -12V@20mA
•Operating Temperature : 0°~ 55°C ( CPU needs Cooler)
1.2 What You Have
In addition to this User's Manual, the ROCKY-548TX package
includes the following items:
•ROCKY-548TX Pentium® Single Board Computer
•Printer Cable
•FDD/HDD Cable
•6-pin Mini-Din to 5-pin Din Keyboard Adapter Cable
If any of these items is missing or damaged, contact the dealer from
whom you purchased the product. Save the shipping materials and
carton in case you want to ship or store the product in the future.
6
2
Installation
This chapter describes how to install the ROCKY-548TX. At first, the
layout of ROCKY-548TX is shown, and the unpacking information
that you should be careful is described. The jumpers and switches
setting for the ROCKY-548TX's configuration, such as CPU type
selection, system clock setting, and watch dog timer, are also
included.
2.1 ROCKY-548TX Ver. 6.x Layout
< reference next page >

7 8
2.2 Unpacking
Your ROCKY-548TX Single Board Computer contains sensitive
electronic components that can be easily damaged by static
electricity.
In this section, we describe the precautions you should take while
unpacking, as well as during installation. It is very important that the
instructions be followed correctly, to avoid static damage, and to
successfully install the board.
The system board should be done on a grounded anti-static mat.
The operator should be wearing an anti-static wristband, grounded at
the same point as the anti-static mat.
Inspect the cardboard carton for obvious damage. Shipping and
handling may cause damage to your board. Be sure there are no
shipping and handing damages on the board before processing.
After opening the cardboard carton, exact the system board and
place it only on a grounded anti-static surface component side up.
Again inspect the board for damage. Press down on all the socketed
IC's to make sure that they are properly seated.
Do this only with the board place on a firm flat surface.
Note : DO NOT APPLY POWER TO THE BOARD IF IT HAS BEEN
DAMAGED.
You are now ready to install your ROCKY-548TX Single Board
Computer.

9
2.3 Setting the CPU of ROCKY-548TX 6.x
•CPU Clock Setting :
CPU Speed/Clock JP4
1-2
JP4
3-4
JP4
11-12
JP4
13-14
55MHz OPEN CLOSE CLOSE OPEN
60MHz OPEN CLOSE OPEN OPEN
66MHz OPEN OPEN OPEN OPEN
•CPU to Bus Multiple :
Multiplier JP4
5-6
JP4
7-8
JP4
9-10
1.5 x OPEN OPEN OPEN
2x CLOSE OPEN OPEN
2.5x CLOSE CLOSE OPEN
3 x OPEN CLOSE OPEN
3.5 x OPEN OPEN OPEN
4 x CLOSE OPEN CLOSE
4.5x CLOSE CLOSE CLOSE
CPU Frequency = CPU Clock x Multiplier for example
Pentium® 200MHz = 66MHz CPU Clock x 3
•CPU Core Voltage Selection :
Please check the CPU Core Voltage before you install the
CPU. Right now new Intel MMX CPU is dual voltages for
core and I/O,the I/O is 3.3V but the core is 2.8V. This kind
of CPU design will enhance the low power consumption
capability. As for the general Pentium CPU is one voltage for
I/O and Core - 3.3V,3.4V,or 3.5V
10
•JP12 CPU Core Voltage Setting :
CPU Core
Voltage
JP12
1-2
JP12
3-4
JP12
5-6
JP12
7-8
3.5V(P54C/CS)
VRE
CLOSE CLOSE CLOSE CLOSE
3.4V(P54C/CS)
STD
OPEN CLOSE CLOSE CLOSE
3.3V CLOSE OPEN CLOSE CLOSE
3.2V OPEN OPEN CLOSE CLOSE
3.1V CLOSE CLOSE OPEN CLOSE
3.0V OPEN CLOSE OPEN CLOSE
2.9V CLOSE OPEN OPEN CLOSE
2.8V OPEN OPEN OPEN CLOSE
2.7V CLOSE CLOSE CLOSE OPEN
2.6V OPEN CLOSE CLOSE OPEN
2.5V CLOSE OPEN CLOSE OPEN
2.4V OPEN OPEN CLOSE OPEN
2.3V CLOSE CLOSE OPEN OPEN
2.2V OPEN CLOSE OPEN OPEN
2.1V CLOSE OPEN OPEN OPEN
2.0V OPEN OPEN OPEN OPEN
•Dual / Single CPU Voltage setting :
Vcore & VIO JP10 JP11 JP6 JP7
Pentium®
(P54C)
CLOSE CLOSE OPEN OPEN
Pentium®
MMX
AMD K6
Cyrix 6x86MX
Dual Voltage
OPEN OPEN CLOSE CLOSE

11
•Cyrix 6x86MX PR Rating Table
( Vcore : 2.9V,dual voltage )
PR Rating Bus MHz CPU Core
MHz
Clock
Multiplier
6x86MX-PR133 50 100 2x
6x86MX-PR133* 55 110 2x
6x86MX-PR150 60 120 2x
6x86MX-PR150 50 125 2.5x
6x86MX-PR166 66 133 2x
6x86MX-PR166 55 138 2.5x
6x86MX-PR166 50 150 3x
6x86MX-PR166 60 150 2.5x
6x86MX-PR200 55 165 3x
6x86MX-PR200 66 166 2.5x
6x86MX-PR200 60 180 3x
6x86MX-PR233 66 200 3x
6x86MX-PR266 66 233 3.5x
•AMD K6 MMX Rating Table, dual voltage
Product Name Core
Freq
Vcore Bus MHz Multiplier
K6-233 model 6 233MHz 3.2V 66 3.5x
K6-200 model 6 200MHz 2.9V 66 3x
K6-166 model 6 166MHz 2.9V 66 2.5x
K6-300 model 7 300MHz 2.2V 66 4.5x
K6-266 model 7 266MHz 2.2V 66 4x
K6-233 model 7 233MHz 2.2V 66 3.5x
2.4 PS/2 Mouse IRQ12 Setting
The on board PS/2 mouse will use IRQ12 when operation.
.
12
•JP16 : IRQ12 Enable/Disable Setting
JP16 DESCRIPTION
CLOSE IRQ12 Enable for PS/2 Mouse Operating
OPEN PS/2 Mouse Disable. IRQ12 to bus
2.5 Watch-Dog Timer
The Watch-Dog Timer is enabled by reading port 443H. It should be
triggered before the time-out period ends, otherwise it will assume
the program operation is abnormal and will issue a reset signal to
start again, or activate NMI to CPU. The Watch-Dog Timer is disable
by reading port 043H.
•JP13 : Watch-Dog Active Type Setting
JP13 DESCRIPTION
2-3 RESET WHEN WDT TIME-OUT
1-2 ACTIVATE NMI TO CPU WHEN WDT TIME-OUT
OPEN DISABLE WDT
•JP15: WDT Time-Out Period
PERIOD 1-2 3-4 5-6 7-8
1 sec. OPEN OPEN CLOSE OPEN
2 sec. OPEN OPEN CLOSE CLOSE
10 sec. OPEN CLOSE OPEN OPEN
20 sec. OPEN CLOSE OPEN CLOSE
110 sec. CLOSE OPEN OPEN OPEN
220 sec. CLOSE OPEN OPEN CLOSE
2.6 DiskOnChip™ Flash Disk
The DiskOnChip™ Flash Disk Chip(DOC) is produced by M-
Systems. Because the DOC is 100% compatible to hard disk and
DOS.Customer don‘t need any extra software utility. It is just “plug
and play”,easy and reliable. Right now the DOC is available from
2MB to 72MB.T There have four sockets for the DOC,thru the

13
software utility customer can combine four DOCs as an HDD drive.
Then the max. capacity will be 288MB.
Please contact ftp.icpacquire.com.tw or www.m-sys.com to get the
software utility for the multi-DOC application.
•JP17 : DiskOnChip Memory Address Setting
JP17 DOC 1 DOC 2 DOC 3 DOC 4
7-8 Enable
9-10 Enable
11-12 Enable
13-14 Enable
1-2 C8000H CA000H CC000H CE000H
3-4 D0000H D2000H D4000H D6000H
5-6 D8000H DA000H DC000H DE000H
2.7 Clear CMOS Setup
If want to clear the CMOS Setup(for example forgot the
password you should clear the setup and then set the password
again.),you should close the JP1 pin 2-3 about 3 seconds,then
open again. Set back to normal operation mode,close pin 1-2.
•JP1 : Clear CMOS Setup (Reserve Function)
JP1 DESCRIPTION
1-2 Normal Operation
2-3 Clear CMOS Setup
2.8 BatteryBackup for CMOS Setup
There have one 4-pin header CN8 using for battery backup
function. When close the pin 1-2 will use the on board battery.
When use external battery you should take off the jumper and
use the connector as external battery connector.
14
•CN8 : Battery Backup Function
CN8 DESCRIPTION
1-2 CLOSE
3-4 OPEN
Using Internal Battery
1-2 OPEN
3-4 OPEN
Use as External Battery
Connector
2.9 BIOS Flash Chip Write Voltage Setting
The BIOS Flash Chip could be two types,one is 12V write voltage
and other one is 5V.
•JP14 : 5V/12V Flash Chip Write Voltage Setting
(This jumper is factory setting ,customer may not change it)
JP14 Description
2-3 5V Flash Write Voltage
1-2 12V Flash Write Voltage

15
3
Connection
This chapter describes how to connect peripherals, switches and
indicators to the ROCKY-548TX board.
3.1 Floppy Disk Drive Connector
ROCKY-548TX board equipped with a 34-pin daisy-chain driver
connector cable.
•CN2 : FDC CONNECTOR
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 GROUND 2 REDUCE WRITE
3 GROUND 4 N/C
5 GROUND 6 N/C
7 GROUND 8 INDEX#
9 GROUND 10 MOTOR ENABLE A#
11 GROUND 12 DRIVE SELECT B#
13 GROUND 14 DRIVE SELECT A#
15 GROUND 16 MOTOR ENABLE B#
16
17 GROUND 18 DIRECTION#
19 GROUND 20 STEP#
21 GROUND 22 WRITE DATA#
23 GROUND 24 WRITE GATE#
25 GROUND 26 TRACK 0#
27 GROUND 28 WRITE PROTECT#
29 GROUND 30 READ DATA#
31 GROUND 32 SIDE 1 SELECT#
33 GROUND 34 DISK CHANGE#

17
3.2 PCI E-IDE Disk Drive Connector
You can attach four IDE( Integrated Device Electronics) hard disk
drives to the ROCKY-548TX IDE controller. The IDE support Ultra
DMA/33 interface.
CN1(IDE 1) : Primary IDE Connector
CN4(IDE 2) : Secondary IDE Connector
•CN1/CN4: IDE Interface Connector
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 RESET# 2 GROUND
3 DATA 7 4 DATA 8
5 DATA 6 6 DATA 9
7 DATA 5 8 DATA 10
9 DATA 4 10 DATA 11
11 DATA 3 12 DATA 12
13 DATA 2 14 DATA 13
15 DATA 1 16 DATA 14
17 DATA 0 18 DATA 15
19 GROUND 20 N/C
21 N/C 22 GROUND
23 IOW# 24 GROUND
25 IOR# 26 GROUND
27 N/C 28 BALE - DEFAULT
29 N/C 30 GROUND - DEFAULT
31 INTERRUPT 32 IOCS16#-DEFAULT
33 SA1 34 N/C
35 SA0 36 SA2
37 HDC CS0# 38 HDC CS1#
39 HDD ACTIVE# 40 GROUND
18
3.3 Parallel Port
This port is usually connected to a printer, The ROCKY-548TX includes an
on-board parallel port, accessed through a 26-pin flat-cable connector CN3.
•CN3 : Parallel Port Connector
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 STROBE# 2 DATA 0
3 DATA 1 4 DATA 2
5 DATA 3 6 DATA 4
7 DATA 5 8 DATA 6
9 DATA 7 10 ACKNOWLEDGE
11 BUSY 12 PAPER EMPTY
13 PRINTER SELECT 14 AUTO FORM FEED #
15 ERROR# 1 6 INITIAL IZE
17 PRINTER SELECT LN# 18 GROUND
19 GROUND 20 GROUND
21 GROUND 22 GROUND
23 GROUND 24 GROUND
25 GROUND
3.4 Serial Ports
The ROCKY-548TX offers two high speed NS16C550 compatible UARTs
with Read/Receive 16 byte FIFO serial ports.
•CN12 : Serial Port DB-9 Connector( COM1 )
PIN NO. DESCRIPTION
1 DATA CARRIER DETECT (DCD)
2 RECEIVE DATA (RXD)
3 TRANSMIT DATA (TXD)
4 DATA TERMINAL READY (DTR)
5 GROUND (GND)
6 DATA SET READY (DSR)
7 REQUEST TO SEND (RTS)
8 CLEAR TO SEND (CTS)
9 RING INDICATOR (RI)