ICP Electronics ROCKY-P258BX User manual

ROCKY –P258BX (Ver. 5.x)
600MHz Pentium®II / III
Single Board Computer
©Copyright 1999 by ICP Electronics Inc. All Rights Reserved. Manual
second edition Aug.01, 1999.
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.
Trademarks
ROCKY-P258BX is a registered trademark of ICP Electronics Inc. IBM PC
is a registered trademark of International Business Machines Corporation.
Intel is a registered trademark of Intel Corporation. AMI is a registered
trademark 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-P258BX's Layout............................................................7
2.2 Unpacking Precautions………………………………………………...8
2.3 Setting the CPU of ROCKY-P258BX........................................... 9
2.4 Voltage Setting for PCI Reset.................................................... 10
2.5 Watch-Dog Timer......................................................................10
2.6 DiskOnChip™ Flash Disk............................................................11
2.7 Clear CMOS Setup....................................................................11
2.8 PS/2 Mouse ..............................................................................11
3. Connection......................................................................12
3.1 Floppy Disk Drive Connector......................................................12
3.2 PCI E-IDE Disk Drive Connector................................................13
3.3 Parallel Port...............................................................................14
3.4 Serial Ports................................................................................15
3.5 Keyboard / MouseConnector......................................................15
3.6 External Switches and Indicators ...............................................16
3.7 USB Port Connector ..................................................................17
3.8 IrDA Infrared Interface Port .......................................................17
3.9 Fan Connector ..........................................................................18
4. AMI BIOS Setup..............................................................19

2
4.1 Getting Start..............................................................................19
4.2 Standard CMOS Setup ..............................................................20
4.3 Advanced CMOS Setup.............................................................21
4.4 Advanced Chipset Setup............................................................23
4.5 Power Management Setup ........................................................25
4.6 PCI/PLUG AND PLAY Setup......................................................26
4.7 Peripheral Setup........................................................................27
4.8 Hardware Monitor Setup ...........................................................29
4.9 Change Supervisor/User Password……………………………...........................30
4.10 Auto-Detect Hard Disk…..............................................................31
4.11 Auto Configuration with Optimal Settings...................................31
4.12 Auto Configuration with Fail Save Settings.................................32
4.13 Save Settings and Exit...............................................................32
4.14 Exit Without Saving...................................................................32
5. E2Key Function ...............................................................33
Appendix A. Watch-Dog Timer ...........................................35
Appendix B. ATX Power Supply..........................................36
Appendix C. I/O Information…..............................................37

3
1
Introduction
Welcome to the ROCKY-P258BX Pentium® II / III Single Board
Computer. The ROCKY-P258BX is a PICMG bus form factor
board. It is equipped with high performance Pentium® II / III
Processor 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 has a built-in DiskOnChip™(DOC) Flash Disk socket
for embedded application. The DOC Flash Disk is software
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-P258BX board. The on-chip
UARTs are compatible with the NS16C550. The parallel port and
IDE interface are compatible with IBM PC/AT architecture.
ROCKY-P258BX uses the advanced INTEL AGPset 82443BX
Host Bridge Chipset, which is 100% ISA/PCI compatible chipset
with PCI 2.1 standard.
More detail specifications of ROCKY-P258BX are listed on the
next page.

4
1.1 Specifications :
•Processor: Single Slot 1 socket supports Intel Pentium®
II/III up to
600Mhz Processor
•System Memory : four 168-pin DIMM sockets, support up to
1GB SDRAM
•Chipset: Intel AGPset 82443BX Host Bridge, provides a Host-to-
PCI bridge, optimized DRAM controller & data path and an
Accelerated Graphic Port (AGP) interface.
•Bus Interface: ISA bus and PCI 32-bit local bus, PCI 2.1 standard
•DMA channels : 7
•Interrupt levels : 15
•Real Time Clock and battery backup : ST M4T28 Time Keeper
(Lithium Battery) for data retention up to ten years.
•Ultra DMA/33 IDE Interface : 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 this new technology is compatible with
existing ATA-2 IDE specifications. So, there is no need to do any
change for customer’s current accessory.
•
Multi I/O Chip: W83977, all I/O setup by BIOS
•
On Board I/O:
1 Floppy Port (up to 2.88MB, 3 mode)
2 Serial Ports (2F8, 3F8)
1 Parallel Port (ECP, EPP port)
FIR TX/RX Header (3E8)
•USB port: one USB port on iron plate.
•Built-in LM78 Hardware Monitoring System to monitor power
supply voltage and CPU Fan rpm status.
•Watch-dog timer : can be set by 1, 2, 10, 20, 110 or 220 seconds
period. Reset or NMI is generated when CPU does not periodically
trigger the timer. Your program uses hex 043 and 443 to control the
watch-dog and generate a system reset.

5
•ISA PLUSTM: designed to enhance the ISA bus drive capability
•E2KeyTM (optional): A special designed 1-Kbit EEPROM provided to
accept read/write data by customer’s program. Because of it’s
nonvolatile characteristic, It is very useful to store system ID,
Password, Critical Data, etc.
•Flash Disk -DiskOnChip™: The built-in True FFS Transparent Flash
Block Management and Space Reclamation will let customer to use
the Flash Disk with DOS command, no need any extra software
utility.
•PS2 Mouse / Keyboard Port on-board.
•Power Consumption : [email protected] +12V@120mA , -12V@50mA
(PII 450MHz CPU and 512MB DRAM)
•Operating Temperature : 0°~ 55°C ( CPU needs Cooler)
1.2 What You Have
In addition to this User's Manual, the ROCKY-P258BX package
includes the following items:
•ROCKY-P258BX (Ver. 5.x) Single Board Computer
•Parallel Ribbon Cable and Port Bracket
•FDD/HDD Cable Sets
•6-pin Mini-Din to one 5-pin Mini-Din for Keyboard and one 6-
pin Mini-Din for PS/2 Mouse Adapter Cable.
•one support disk contains of the needed driver
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-P258BX. The
layout of ROCKY-P258BX is shown on the next page and the
Unpacking Precautions that you should be careful with are
described on the following page. Also included is the jumpers
and switches setting for this board’s configuration, such as: CPU
type selection, system clock setting and Watchdog timer.
2.1ROCKY–P258BX's Layout
< please, refer to the next page >

7
2.1 ROCKY–P258BX's Layout

8
2.2 Unpacking Precautions
Some components on ROCKY-P258BX SBC are very sensitive to
static electric charges and can be damaged by a sudden rush of
power. To protect it from unintended damage, be sure to follow
these precautions:
üGround yourself to remove any static charge before touching your
ROCKY-P258BX SBC. You can do it by using a grounded wrist
strap at all times or by frequently touching any conducting materials
that is connected to the ground.
üHandle your ROCKY-P258BX SBC by its edges. Don’t touch IC
chips, leads or circuitry if not necessary.
üDo not plug any connector or jumper while the power is on.
üDo not put your ROCKY-P258BX SBC unprotected on a flat surface
because it has components on both sides.

9
2.3 Setting the CPU of ROCKY-P258BX
OFF
ON
•
JP4, JP3 : CPU FREQUENCY SELECT
JP4 JP3BUS
FREQUENCY
FS2 FS1 FS0
66MHz 2-31-32-4
100MHz 1-21-32-4
•JP2 : CPU Multiplier Setting :
Ratio 1-23-45-67-8
3.0 x ON OFF ON ON
3.5 x ON OFF OFF ON
4.0 x OFF ON ON ON
4.5 x OFF ON OFF ON
5.0 x OFF OFF ON ON
5.5 x OFF OFF OFF ON
6.0 x ON ON ON OFF
6.5 x ON ON OFF OFF

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2.4 Voltage Setting for PCI Reset
•JP5 : PCI Reset Voltage (This is factory setting jumper)
PIN NO. DESCRIPTION
1-25V
2-33.3 V
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 reboot or activate NMI to CPU. The Watch-Dog Timer
is disable by reading port 043H.
•JP12 : Watch-Dog Timer Type Setting
PIN NO. DESCRIPTION
1-2NMI
2-3RESET
•JP13 : WDT Time-out Period
PERIOD 1-23-45-67-8
1 sec. OFF OFF ON OFF
2 sec. OFF OFF ON ON
10 sec. OFF ON OFF OFF
20 sec. OFF ON OFF ON
110 sec. ON OFF OFF OFF
220 sec. ON OFF OFF ON

11
2.6 DiskOnChip™ Flash Disk
The DOC is software compatible to hard disk and DOS.
Customer doesn‘t need an y extra software utility. The DOC
occupies 8KB of memory address. It is just “plug and play”, easy
and reliable. Right now, the DOC is available from 2MB to 72MB.
•JP7 : DiskOnChip™
Memory Address Setting
PIN NO.
ADDRESS
1-2CE000 –CFFFF
3-4D6000 –D7FFF
5-6DE000 –DFFFF
2.7 Clear CMOS Setup
If you forget the CMOS password, you can clear or reset it by
closing the JP8 for about 3 seconds then open again. Now, the
password has been cleared from your CMOS. Set it back to
normal operation mode by opening it.
•JP8 : Clear CMOS Setup
JP8 DESCRIPTION
ON CLEAR CMOS
OFF NORMAL OPERATION
2.8 PS/2 Mouse
•JP6 : PS/2 Mouse Setting
The PS/2 mouse uses IRQ12 while in operation.
JP6 DESCRIPTION
ON Enable the PS/2 Mouse, IRQ12
OFF Disable the PS/2 Mouse

12
3
Connection
This chapter describes how to connect peripherals, switches and
indicators to the ROCKY-P258BX board.
3.1 Floppy Disk Drive Connector
ROCKY-P258BX board is equipped with a 34-pin daisy-chain
driver connector cable.
•CN8 : FDC CONNECTOR
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1GROUND 2REDUCE WRITE
3GROUND 4N/C
5GROUND 6N/C
7GROUND 8INDEX#
9GROUND 10 MOTOR ENABLE A#
11 GROUND 12 DRIVE SELECT B#
13 GROUND 14 DRIVE SELECT A#
15 GROUND 16 MOTOR ENABLE B#
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#

13
3.2 PCI E-IDE Disk Drive Connector
You can attach four IDE (Integrated Device Electronics) hard
disk drives to the ROCKY-P258BX IDE controller.
•CN7/CN6 : Primary/Secondary IDE Interface Connector
PIN NO.
DESCRIPTION PIN NO.
DESCRIPTION
1RESET# 2GND
3DATA 7 4DATA 8
5DATA 6 6DATA 9
7DATA 5 8DATA 10
9DATA 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 GND 20 N/C
21 IDE DRQ 22 GND
23 IOW# 24 GND
25 IOR# 26 GND
27 IDE CHRDY 28 GND
29 IDE DACK 30 GND
31 INTERRUPT 32 N/C
33 SA 1 34 N/C
35 SA 0 36 SA 2
37 HDC CS0# 38 HDC CS1#
39 HDD ACTIVE# 40 GND

14
3.3 Parallel Port
This port is usually connected to a printer. ROCKY-P258BX
includes an on-board parallel port, accessed through a 26-pin
flat-cable connector CN10.
•CN10 : Parallel Port Connector
PIN NO.
DESCRIPTION PIN NO.
DESCRIPTION
1STROBE# 2DATA 0
3DATA 1 4DATA 2
5DATA 3 6DATA 4
7DATA 5 8DATA 6
9DATA 7 10 ACKNOWLEDGE
11 BUSY 12 PAPER EMPTY
13 PRINTER SELECT 14 AUTO FORM FEED #
15 ERROR# 16 INITIALIZE
17 PRINTER SELECT LN#
18 GND
19 GND 20 GND
21 GND 22 GND
23 GND 24 GND
25 GND 26 N/C

15
3.4 Serial Ports
The ROCKY-P258BX offers two high speed NS16C550
compatible UARTs with Read/Receive 16 byte FIFO serial ports
(COMA/COMB) and one additional 10-pin Header (COMB)
•CN17/CN14 : Serial Port DB-9 Connector (COMA/COMB)
PIN NO.
DESCRIPTION
1DATA CARRIER DETECT (DCD)
2RECEIVE DATA (RXD)
3TRANSMIT DATA (TXD)
4DATA TERMINAL READY (DTR)
5GROUND (GND)
6DATA SET READY (DSR)
7REQUEST TO SEND (RTS)
8CLEAR TO SEND (CTS)
9RING INDICATOR (RI)
•CN9 : Serial Port 10-pin Header (COMB)
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1DCD 6. DSR
2RXD 7RTS
3TXD 8CTS
4DTR 9RI
5GND 10 N/C
3.5 Keyboard / Mouse Connector
ROCKY-P258BX provides one PS/2 Keyboard/Mouse connector.
•CN18 : 6-pin Mini-DIN PS2 Keyboard/Mouse Connector
PIN NO.
DESCRIPTION
1KEYBOARD DATA
2MS DATA
3GND
4+5V
5KB CLOCK
6MS CLOCK

16
•CN13 : 5-pin Header External Keyboard Connector
PIN NO.
DESCRIPTION
1KB CLOCK
2KB DATA
3N/C
4GND
5+5V
•CN12 : 5-pin Header External Mouse Connector
PIN NO.
DESCRIPTION
1MS CLOCK
2MS DATA
3N/C
4GND
5+5V
3.6 External Switches and Indicators
There are several external switches and indicators for
monitoring and controlling your CPU board. All the functions are
in the CN2 connector.
•CN2 : Multi Panel
PIN NO.
DESCRIPTION PIN NO.
DESCRIPTION
1VCC 2SPEAKER
3N/C 4. N/C
5GND 6. N/C
7KEYLOCK 8. +5V
9GND 10. RESET SW
11 GND 12, GND
13 N/C 14. IDE LED
15 ATX POWER CONTROL
16. +5V
17 ATX 5VSB 18. ATX POWER BUTTON
19 ATX 5VSB 20. ATX 5VSB

17
3.7 USB Port Connector
The ROCKY-P258BX has one built-in USB port and one
connector for the future new I/O bus expansion.
•CN15: USB Connector
•CN16: USB Port
CN15
Description
CN16
Description
1VCC 1VCC
2SBD1-2SBD0-
3SBD1+ 3SBD0+
4GND 4GND
3.8 IrDA Infrared Interface Port
ROCKY-P258BX built-in IrDA port supports Serial Infrared (SIR)
or Amplitude Shift Keyed IR (ASKIR) interface. If you want to
use the IrDA port, you have to configure the SIR or ASKIR
model in the BIOS’s Peripheral Setup’s COM2. Then the
normal RS-232 COM2 will be disabled.
•CN11 : IrDA Connector
PIN NO.
DESCRIPTION
1VCC
2FIR-RX
3IR-RX
4GND
5IR-TX
6CIR-RX

18
3.9 Fan Connector
The ROCKY-P258BX provides one CPU cooling fan connector
and one system fan connector. These connectors can supply
12V/500mA to the cooling fan. The connector has a “rotation”
pin which supplies the fan’s rotation signal to the system, so the
system BIOS knows the fan speed. Please note that only
specified fan offers the rotation signal .
•CN3 : CPU Fan Connector
•CN4 : System Fan Connector
PIN NO.
DESCRIPTION
1Fan Sensor
2+12V
3GND