Nexcom PEAK 637 Manuel utilisateur

PEAK 637 User‘s Guide

Specification 1-1

PEAK 637

Single Board Computer

User′

′′′s Guide

Manual edition 1, May 2001

The information in this document is subject to change without prior notice

in order to improve reliability, design and function and does not represent 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 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

PEAK 637 is registered trademarks of NEXCOM Co., Ltd., IBM PC is a registered trademark of

International Business Machines Corporation. Intel and Pentium III are registered

trademarks of Intel Corporation. Award is a registered trademark of Award Software, Inc.

Other product names mentioned herein are used for identification purposes only and may be

trademarks and/or registered trademarks of their respective companies.

PEAK 637 User‘s Guide

Specification 1-2

Chapter 1: Specification

The PEAK 637 is a full size Single Board Computer. It applies single Socket 370 FC-PGA based

processor, supporting both 66 MHz (Celeron) and 100 MHz (Pentium III) FSB CPU up to 850 M+Hz and

future Intel 100MHZ FSB CPU to 1GHZ or 1.1GHZ. The memory it can accommodate is 512 MB

SDRAM up to 100 MHz.

PEAK 637 will be offered at extraordinary good pricing while also equip with powerful features.

System architecture

 Full size SBC with PCI/ISA Gold finger

 Intel Brand New Socket 370 Celeron/Pentium III with 66/100MHz FSB

 PCI V2.1 complied

 PICMG 1.0 (Rev.2.0) complied

CPU Support

 Intel Celeron/Pentium III (FC-PGA) CPU with 128/256 cache on die up 850MHz, and future Intel

100MHZ FSB CPU to 1GHZ or 1.1GHZ

 Supports streaming SIMD instruction

Main Memory

 Support SDRAM up to 512MB (Max.)

 168 pin DIMM socket ×2

BIOS

 Award System BIOS

Chip Set

 Intel 82440BX AGP set

 66/100MHz FSB support

 PCI V2.1 complied

On Board RTC

 High precision real time clock/calendar with battery back up

Watchdog Timer

 1, 2, 4 ….. 64 seconds time-out intervals

PEAK 637 User‘s Guide

Specification 1-3

On Board I/O

 Winbond 83977 Super I/O ON BOARD

 IDE Enhanced IDE mode 4, UltraDMA33, Two 40-pin connectors on the board.

 FDD Supports FDD, One 34-pin connector on the board.

 Serial Port Two serial ports

 COM1 9-pin D-sub connector at the I/O bracket

 COM2 10-pin flat-cable connector on the board

 Parallel Port Bi-directional SPP/EPP/ECP support, One 26-pin connector on board

 Keyboard One PS/2-type connector

 Mouse One PS/2-type connector

 USB Supports 2 USB channels (share one USB power fuse, 6pin header)

Dimensions

 338 mm (D) * 122 mm (W)

Power Requirements

 +5V：10A (Max.)

 +12V: 500mA (Max.)

 -12V: 50mA (Max.)

Environments

 Operating temperatures: -10°C to 60°C

 Storage temperatures: -40°C to 80°C

 Relative humidity: 5 ~ 95%RH (no-condensing))

Certification

 FCC Class A, CE marking

Operating System

 Supports DOS 6.X and above, Windows NT, Windows 95 and 98, WindowsMe, Windows2000,

PEAK 637 User‘s Guide

Jumper Setting and Pin Assignment 2-1

Chapter 2 Switches and Connectors

This chapter gives the definitions and shows where to locate the positions of switches and

connectors.

Connector Function

J1 CPU Fan Header

J2 SMBUS Connector

J3, J4 DIMM Socket

J8 Primary IDE Connector

J9 Secondary IDE Connector

J10 Reset Connector

J12 ATX Power Connector

J13 IDE Active LED

J15 Parallel Connector

J16 ATX Power Button

J17 FDD Connector

J18 Speaker Connector

J19 USB Connector

J20 External Keyboard Connector

J21 MOUSE Connector

J22 KEYBOARD Connector

J23 COM2

J24 COM1

J25 Wake On LAN Connector

JP3 Key Lock

JP5 IR Connector

 J16: ATX Power Button

PIN No. Description

1 +3.3V

2 PWRBT#

 RTC Clear

JP4

Enabled 1-2

*Disabled N/C

PEAK 637 User‘s Guide

Jumper Setting and Pin Assignment 2-2

 AT/ATX FUNCTION SELECT

*AT Function ATX Function

JP2 *1-2 2-3

J11 *1-2 2-3

 J10: Reset Connector

PIN No. Description

1 RESET

2 GND

 J12 ATX Power Connector

PIN No. Description

1 5VSB

2 GND

3 Power On#

 J13: IDE Active LED

PIN No. Description

1 +5V

2 ACTIVE#

 J1: CPU Fan Header Connector

PIN No. Description

1 GND

2 +12V

3 Sense

 J8 /J9: IDE 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 DMA REQ 22 Ground

23 IOW# 24 Ground

25 IOR# 26 Ground

27 IOCHRDY 28 Ground

29 DMA ACK 30 Ground

31 Interrupt 32 NC

33 SA1 34 N/C

35 SA0 36 SA2

37 HDC CS1# 38 HDC CS3#

39 HDD Active# 40 Ground

PEAK 637 User‘s Guide

Jumper Setting and Pin Assignment 2-3

 J2: SMBUS Connector

PIN No. Description

1 SMBCLK

2 SMBDATA

 J15: 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# 16 Initialize

17 Printer Select IN# 18 Ground

19 Ground 20 Ground

21 Ground 22 Ground

23 Ground 24 Ground

25 Ground 26 N/C

 J17: FDD Connector

PIN No. Description PIN No. Description

1 Ground 2 Density Select

3 Ground 4 N/C

5 N/C 6 Drate0

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#

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 N/C 30 Read Data#

31 Ground 32 Head Side Select#

33 Ground 34 Disk Change#

 J18: Speaker Connector

PIN No. Description

1 +5V

2 GND

3 GND

4 Speaker Signal

PEAK 636F User‘s Guide

Jumper Setting and Pin Assignment 2-4

 J19: USB Connector

PIN No. Description

1 +5V

2 USBD0-

3 USBD0+

4 USBD1-

5 USBD1+

6 GND

 J20: External Keyboard Connector

PIN No. Description

1 Keyboard Clock

2 Keyboard Data

3 N/C

4 GND

5 +5V

 J21: Mouse Connector

PIN No. Description

1 MOUSE DATA

2 N/C

3 GND

4 5V

5 MOUSE CLK

6 N/C

 J22: Keyboard Connector

PIN No. Description

1 KBDATA

2 N/C

3 GND

4 5V

5 KBCLK

6 N/C

 J23/J24: RS232 Connector

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)

PEAK 636F User‘s Guide

Jumper Setting and Pin Assignment 2-5

 J25: Wake On LAN Connector

PIN No. Description

1 5VSB

2 GND

3 PME#

 JP3: KEYLOCK Connector

PIN No. Description

1 VCC

2 N/C

3 GND

4 KEYLOCK

5 GND

 JP5: IR Connector

PIN No. Description

1 5V

2 IRRXH

3 IRRX

4 GND

5 IRTX

PEAK 636F User‘s Guide

Jumper Setting and Pin Assignment 2-6

Note: Watch Dog Timer

Watch Dog Timer Working Procedure

The Watch Dog Timer (WDT) is the special hardware device. The WDT function

is to monitor the computer system whether work normally, otherwise, it will

have some measures to fix up the system.

It contains a receivable SQW signal from RTC, and could set time and can clear

the counter function. When time is up, WDT can send Reset or NMI signal.

Operator has to write a value into WDT Configuration Register (Write the control

value to the Configuration Port), and clear WDT counter (read the Configuration

Port).

Watch Dog Timer character and function

WDT Configuration port F2 Default at F2

Watch Dog Timer Disabled 1. Default at disabled

Enabled 2. Enabled for user′s programming

WDT Time out active for Reset Default at Reset

NMI

WDT Active Time 1 sec

2 sec

4 sec

8 sec

16 sec

32 sec

64 sec

Default at 64 sec

PEAK 636F User‘s Guide

Jumper Setting and Pin Assignment 2-7

Watch Dog Timer Control Register

The Watch Dog Timer Control Register is to control the WDT working mode. You can

write the value to WDT Configuration Port.

The following is the Control Register bit definition.

7 6543210

XxX

111 : N/A

110 : Select 1 second

101 : Select 2 second

100 : Select 4 second

011 : Select 8 second

010 : Select 16 second

001 : Select 32 second

000 : Select 64 second

1 : Enable watch dog timer

0 : Disable watch dog timer

1 : Select NMI

0 : Select Reset

Don’t care

Watch Dog Timer Programming Procedure

•

••

•Power on or reset the system

The initial value of WDT Control Register (D4~D0) is zero, when power is on or reset

the system. The following means the initial value of WDT ( 00000000b ) :

Bit Value Mean

4 0 Select Reset

3 0 Disable watch dog timer

2, 1, 0 0 0 0 Select 64 second

•

••

•Initialize the SQW of RTC (set SQW output period=0.5 second)

To initialize the SQW of RTC processor is to set the SQW signal which is output

period=0.5 second. It offers the basic frequency of the WDT counter.

The following is an example of initializing the SQW signal program in Intel 8086

assembly language.

Table des matières

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