www.nexcom.com
TheDigitalInfrastructure
NEX732LSeries
UserManual
2004-03Edition
Preface
Cop yright
This publication, including all photographs, illustrations and software, is protected under international
copyright laws, w ith all rights reserved. No part of this manual maybe reproduced, copied, translated or
transmitted in any f orm or by any means without the prior written consent from NEXCOM International
Co., Ltd.
Version 1.0
Copyright 2 004
Disclaime r
The information in this document is su bject to change without prior notice and does not represent commitment from NEXCOM Internation al Co., LTD. However, users may update their knowledge of any product
in use by constantly checking its manual posted on our w ebsite: http://www.nexcom.com. NEXCOM shall
not be liable for direct, indirect, special, incidental, or consequential damages arising out of the u se of any
product, nor for any infringements upon the rights of third parties, w hich may result from such use. Any
implied warranties of merchantability of fitness for any particular purpose is also disclaimed.
Ackno wledgements
NEX732L2G is a tra demark of NEXCOM international CO., LTD. All other product names mentioned herein
are registered trademarks of their respective owners.
Reg ulato ry Compliance Statement s
This section provides the FCC compliance statement for Class A devices and describes how to keep the
system CE compliant.
FEDERAL COMMUNICATIO NS COMMISSION (FCC) FOR CLASS A DEVICES
This e quipment has been tested and verified to comply with the limits for a Class A digital device, pursuant to Part 15 of FCC Rules. These limits are designed to provide reason able protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. Operation of this equipment in a
residen tial area (domestic environment) is likely to cause harmful interference, in which case the user will
be required to correct the interference (take adequate measures) at their own expense.
CE CERTIFICATION
The pro duct(s) described in this manual complies with all applicable European Union (CE) directives if it
has a CE marking. For computer systems to remain CE compliant, on ly CE-compliant parts may be used.
Maintaining CE compliance also requires proper cable and cabling te chniques.
NEX732L2G User Manual 1
WARNINGS
Read and adhere to all warnings, cautions, and notices in this guide and
the d ocumentation supplied with the chassis, power supply, and accessory
modules. If the instructions for the chassis and po wer supply are inconsistent with these instructions or the instructions for accessory modules, contact th e supplier to find out how you can ensure that your computer meets
safety a nd regulatory requirements.
CAUTION
Electrostatic discharge (ESD) can da mage NEX components. Do the described procedures only at an ESD workstation. If no such station is available,
you can provide some ESD prote ction by wearing an antistatic wrist strap
an d attaching it to a metal part of the computer chassis.
Safety Information
Before installing and using the NEX73 2L series, note the following precautions:
w Read all instructions carefully.
w Do not place the unit on an unstable surface, cart, or stand.
w Follow all warnings and cau tions in this manual.
w When replacing parts, e nsure that your service technician uses parts specified by the manufacturer.
w Avoid using the syste m near water, in direct sunlight, or near a hearing device.
NEX732L2G User Manual 2
Table of Contents
Preface ...................................................................................................................................................1
Copyright ..................................................................................................................................................1
Disclaimer ................................................................................................................................................1
Acknowledgements .................................................................................................................................1
Regulatory Compliance Statements .......................................................................................................1
FEDERAL COMMUNICATIONS COMMISSION (FCC) FOR CLASS A DEVICES .................................1
CE CERTIFICATION ......................................................................................................................1
WARNINGS ..................................................................................................................................2
CAUTION ......................................................................................................................................2
Safety Information .........................................................................................................................2
Table of Contents ......................................................................................................................3
Cha pter 1 General Information ...............................................................................................5
1.1 Feature.................................................................................................................................. 6
1.2 Specifications...........................................................................................................................6
1.3 Board Layout ..........................................................................................................................10
1.4 Board Dimensions ...................................................................................................................11
Cha pter 2 Jumper Setting .....................................................................................................12
2.1 Before You Begin ...................................................................................................................13
2.2 Precautions............................................................................................................................13
2.3 Setting Jumpers .....................................................................................................................14
2.4 Location of Jumpers ...............................................................................................................16
2.5 Function of Jumpers ...............................................................................................................16
2.6 Pin Definitions of Connectors....................................................................................................18
Cha pter 3 Expansion Capabilities ..........................................................................................25
3.1 System Memory .....................................................................................................................26
3.2 Installing DIMM .......................................................................................................................27
Cha pter 4 Award BIOS Setup ...............................................................................................29
4.1 About the BIOS ......................................................................................................................30
4.2 When to Run BIOS ................................................................................................................30
4.3 Entering Setup ......................................................................................................................31
4.4 The Main Menu ......................................................................................................................31
4.5 Getting Help ..........................................................................................................................32
4.6 Control Keys ..........................................................................................................................33
4.7 Standard CMOS Features ......................................................................................................34
4.8 Advanced BIOS Features ........................................................................................................37
4.9 Advanced Chipset Features ....................................................................................................40
NEX716VL2G User Manual 3
4.10 Integrated Peripherals ............................................................................................................42
4.11 Power Management Setup ....................................................................................................48
4.12 PnP/PCI Configurations ........................................................................................................50
4.13 PC Health Status .................................................................................................................51
4.14 Load Fail-Safe Defaults .........................................................................................................52
4.15 Load Optimized Defaults .......................................................................................................53
4.16 Set Supervisor/User Password ..............................................................................................53
4.17 Save & Exit Setup ................................................................................................................54
4.18 Exit Without Saving ..............................................................................................................54
Chapter 5 Driver Installation ..................................................................................................55
5.1 Installation CD .......................................................................................................................56
5.2 Installing Drivers for NEX732L series ......................................................................................56
5.3 Installing Intel Chipset .............................................................................................................57
5.4 Installing Audio Driver .............................................................................................................58
5.5 Installing the On-Board LAN Driver ...........................................................................................60
Appendix A Watchdog Timer ................................................................................................. 61
A.1 Watchdog Timer Working Procedure ......................................................................................62
A.2 Watchdog Timer Control Register ..........................................................................................63
A.3 Watchdog Timer Programming Procedure ...............................................................................63
Appendix B GPI/O Programming.............................................................................65
Appendix C Reflash BIOS Procedure....................................................................................68
NEX716VL2G User Manual 4
Chapter 1
General Information
5 Chapter 1NEX73 2L2G User Manual
1. 1 Featu r es
The NEX732L2G is a member of NEXCOM’s Pentium 4 ba sed Embedded CPU Board computer fa mily. The
features of this series are as follows:
w Intel® Pentium® 4 Processor with 400/533/800MHz FSB, CPU speed up to 3.06GHz or above
w Max. 4GB dual cha nnel DDR 266/333/400 SDRAM memory support, DIMM × 4
w Intel® 875P/6300ESB Chipsets
w On board AGP slot x1, PCI-X slot x3, PCI slot x3
w Sta ndard ATX form factor
1.2 Specifications
System Architecture
w Sta ndard ATX form factor with single Intel® Pentium® 4 processor support
CP U Support
w Single mPGA478 ZIF socket
w Intel® Pentium® 4 Processor with Hyper-Threading Technology s upport
* 800MHz system bus: up to 3E GHz, 1M L2 Cache
* 533MHz system bus: up to 3.06GHz, 512KB L2 Cache
w Inte l® Pe ntium® 4 Proce ssor:
* 533MHz system bus: up to 2.80GHz, 512KB L2 Cache
*400MHz system bus: up to 2.60GHz, 512KB L2 Cache
Main Memory
w 184-pin DDR DIMM x4, support max. memory up to 4GB (DDR266/333/400)
w Available bandwidth up to 3.2Gbytes/s (DDR400) for single-channel mode and 6.4 Gbytes/s
(DDR400) in dual-cha nnel mode.
w Supports unbuffered/ECC DIMMs only
BIOS
w Award System BIOS
w Plug & Play support
w Adva nced Power Management support
w Adva nced Configuration & Power Interfa ce support
w Jumperless for CPU FSB
w 4M bits fla sh ROM
6 Chapter 1NEX732L2G User Ma nual
Chipset
Intel® 875P/6300 ESB Chipsets
Firmware Hub (FWH) 4M bits flash ROM x1
PCI V2.2 compliant
Onboard LAN
Intel® 82551QM 10/100 Ethernet controller x 1 (co-layout with Intel® 82541GI Gigabit Ethernet
controller)
Optional Intel® 82547GI Gigabit Ethernet controller x1 (dedicated by CSA port dire ctly from the ƒÞ
Intel® 875P)
Compli ant with PCI V2.1/2.2. IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab
Drivers support: Windows® XP/2000/ME, Linux
RJ45 with LED connecter x 2
4 x pin header for extended LAN (With LED)
Onboard I/O
Winbond W83627HF super I/O on board on boar
SIO x 4, DB9 x 2, 10-pin header x 2,
PIO x 1, Bi-directional, EPP/ECP support, DB25 x 1
Floppy Disk controller: 3.5” 1.44MB/2.88MB support, 34 pin connector × 1
On chip enhanced IDE × 2, PIO up to mode 4, Ultra ATA33/66/100 support, total 4 E.IDE Devices
support, 40 pin connector × 2
PS/2 keyboard/mouse Mini-Din connector x 2
GPIO (4 in 4 out) Pin Header
On board USB 2.0 port × 4
On board buzzer × 1
2-pin power on button switch
On board 4 pin header for SM bus ( I
2
C)
On board 2 pin hea der for re set SW, 4 pin for spe aker , 5 pin f or keylock a nd power LED, 2-pin for IDE
HDD LED
SATA connector x 2; data transfer bandwidth up to 150MB/s, RAID 0&1 supported for 2HDD.
Optional NS87431 IPMI Controller (option al fe ature by reque st and min. order q’ty required)
Onboard Audio
Support 5.1 channel audio codec with ALC655 (AC’97 codec)
Phone Jack: Line in x 1, Lin out x 1, Mic in x 1
Pin Header: Video-in x 1, CD-in x 1, Aux-in x 1
7 Chapter 1NEX732L2G User Manual
On board Slot
w Total 7 slots, include AGP slot x 1, 64bit /66MHz PCI-X slot x 3, 32bit/33MHz PCI x 3
On Board RTC
w On-chip real time clock with battery ba ck up
IDE interface Disk On Module support
w On board reserved power pin for DOM (DiskOnModule)
System Monitor
w System monitor controller derived from Winbond W83627HF super I/O
w 7 voltage (For +3.3V, +5V, +12V, -12V, Vcore, +2.5V, +5VSTBY)
w 3 Fa n speed (For CPU)
w 2 temperature (For CPU)
Power Input
w ATX power connector x 1
Back Panel
w PS2 connector x 2 (for Keyboard/Mouse)
w USB 2.0 port x 4
w RJ45 with LED connector x 2 (for LAN)
w 9 pin D-type connector x 2 (for SIO)
w 25 pin D-type connector x 1 (for PIO)
w Sta ndard Audio connector (Line out, Line in, Mic in)
Watchdog Timer
w 1~128 seconds time-out intervals
Dimensions
w ATX form factor: 305mm(L) x 244mm(W) (12” x 9.6”)
Power Requirements
w +3.3V: 3A
w +5V: 12A
w +12V: 14A for Pentium® 4 processor with HT support and 11A for Pentium® 4 processor or 11A
for Northwood P4
w 5VSTBY: 1.3A
8 Chapter 1NEX732L2G User Ma nual
Environments
w Operating te mperatures: 0°C to 60°C
w Storage temperatures: -20°C to 80°C
w Relative humidity: 10% to 90% (Non-condensing)
Certification
w CE
w FCC
Ordering Information:
w NEX 732L2G:
ATX Socket 478 Intel® Pentium® 4 Pro cessor Server Board with 10/100 LAN x 1 (Intel®
82551QM) + Gigabit LAN x 1 (by CSA)
w NEX 732L2G2: (min. order requirement: 50 pcs)
ATX Socket 478 Intel® Pentium® 4 Processor Server Board with Gigabit LAN x 1 (Intel®
82541GI) + Gigabit LAN x 1 (by CSA)
9 Chapter 1NEX73 2L2G User Manual
1.3 Board Layout
Figure 1.1 : Birdeye’s View of NEX732L2G
10 Chapter 1NEX73 2L2G User Manual
1.4 Board Dimensions
Figure 1.2 : Board Dimensions
11 Chapter 1NEX73 2L2G User Manual
Chapter 2
Jumper Setting
NEX73 2L2G User Manual
12
Chapter 2
This cha pter of the User’s Manual describes how to set jumpers.
Note: The procedu res that follow are generic for all of the NEX732L series.
2.1 Before You Begin
Ensure you have a stable, clean working environment. Dust and dirt can get into components and cause
a malfunction. Use containers to keep small components separated.
Adequate lighting and proper tools can pre vent you from accidentally damaging the internal components.
Most of the proce dures that follow require only a few simple tools, including the following:
w A Philips screwdriver
w A flat-tipped screwdriver
w A set of jewelers Screwdrivers
w A grounding strap
w An anti-static pad
Using your f ingers can disconnect most of the connections. I t is recommended that you do not use
needle-nosed pliers to d isconnect connections as these can damage the soft metal or plastic parts of the
connectors.
Before working on internal components, ma ke sure that the power is off. Ground yourself before touching
any internal components, by touching a metal object. Static electricity can damage many of the electronic
components. Humid environment tend to have less static electricity than dry environments. A grounding
strap is w arranted whenever danger of static electricity exists.
2.2 Precaut ions
Computer components and electronic circuit boards can be damaged by discharges of static electricity.
Working on the computers that are still conne cted to a power supply can be extremely dangerous. Follow
the guidelines below to avoid damage to your computer or yourself:
w Always disconnect the unit from the power outlet wh enever you are working inside the case.
w If p ossible, wear a gro unded wrist strap when you are working inside the computer case. Alternatively,
discharge any static electricity by touching the bare metal chassis of the unit case, or the bare
metal body o f any other grounded appliance.
w Hold electronic circuit boards (such as the NEX732L board) by the edges only. Do not touch the
components on the board un less it is necessary to do so. Don’t flex or stress the circuit board.
w Leave all componen ts inside the static-proo f packaging that they shipped with un til they are ready
for installation.
w Use correct screws and do not over tighten screws.
NEX73 2L2G User Manual
13
Chapter 2
2.3 Setting Jum pers
A jumper is the simplest kind of electric switch. It con sists of two metal pins and a cap. When setting the
jumpers, ensure that the jumper caps are placed on the correct pins. When the jumper cap is placed on
both pins, the jumper is SHORT. If you remove the jumper cap, or place the jumper cap on just one pin,
the jumper is OPEN. Please see the following illustrations
The illustrations on the right show
a 2-pin jumper. When the jumper
cap is placed on both pins, the
jumper is SHORT. If you remove
the jumper cap, or place the
jumper cap on just one pin, the
jumper is OPEN.
These illustrations show a 3-pin
jumper. Pins 1 and 2 are SHORT.
Open (Off) Short (On)
Ta ble 2-1 : Setting Jumpers
NEX73 2L2G User Manual
14
Chapter 2
Switch setting table( *:default setup)
COM Port Type Select
SW1 1-20
*RS232 OFF OFF OFF ON OFF ON OFF OFF OFF OFF
RS422
(optional)
RS485
(optional)
2-19 3-18 4-17 5-16 6-15 7-14 8-13 9-12 10-11
OFF ON ON OFF ON OFF ON ON ON ON
ON ON OFF ON ON OFF OFF OFF OFF ON
RTC Clear
NORMAL Clear CMOS
JP11 *1-2 2-3
PCI-X
Clock Select
*PCI-X 66
JP7 *ON OFF ON
JP14 *OFF ON ON
PCI 66 PCI 33
Device Select
JP12
ON Board LAN 82551/82541 Enable *ON
ON Board LAN 82551/82541 Disable OFF
NEX73 2L2G User Manual
15
Chapter 2
2.4 Location of Jum per s
Figure 2-1 : J umper Location
2.5 Function of Jumper s
User can use jumpers to set configuration options. The table below defines function of each jumper:
Connector
J1 Secondary IDE
J2 Floppy
J3 COM4
J4 COM3
J5 Primary IDE
J6 SATA 1
J7 SATA 0
J8 PCI 33 SLOT
Function NOTE
J9 PCI 33 SLOT
J10 PCI 33 SLOT
NEX73 2L2G User Manual
16
Chapter 2
J11 SYSTEM FAN
00000
0000
J12 SYSTEM FAN
J13 AGP 8X SLOT
J14 PIO
J15 CPU FAN
J16 Key board + mouse connector
J17 ATX Connector
J18 Front Audio Connector
JP2 System Panel Connector
JP3 Speaker
JP4 CD In
JP5 SMBUS
JP9 IR
JP16 GPIO
JP19 82547 LAN SPEED 100 LED
JP22 82547 LAN ACT/LINK LED
JP23 82547 LAN SPEED 100 LED
0 LED
JP26 Keylock
JP27 Video In
JP28 AUX In
JP29 82551/82541 LAN SPEED 100 LED
JP30 82541 LAN SPEED 1000 LED
JP31 82551/82541 ACT/LINK LED
CON1 PCI-X SLOT
CON2 PCI-X SLOT
CON3 PCI-X SLOT
CON4 AC’97 Phone Jack
NEX73 2L2G User Manual
17
Chapter 2
Connector Function
CON5 USB 2/3 & LAN 82551/82541 Connector
CON6 USB 0/1 & LAN 82547 Connector
CON7 COM1
CON8 COM2
CON9 AUX +12V Power Connector
2.6 Pin definitions of connectors
J1/J5 : Secondary IDE/ Primary IDE Connector
Pin Definition Pin Definition
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 NC
21 Device DMA Request 22 Ground
23 Disk I/O Write# 24 Ground
25 Disk I/O Read# 26 Ground
27 I/O Channel Ready 28 Ground
29 Device DMA Acknowledge#30 Ground
31 Device Interrupt 32 NC
33 Device Address1 34 DMA66 Detect
35 Device Address0 36 Device Address2
37 Device Chip Selects 1# 38 Device Chip Selects 3#
39 HDD Active LED 40 Ground
NEX73 2L2G User Manual
18
Chapter 2
J2 : Floppy Connector
Pin Definition Pin Definition
1 Ground 2 Drive Density Select 0
3 Ground 4 NC
5 Ground 6 NC
7 Ground 8 INDEX#
9 Ground 10 Motor A On#
11 Ground 12 Drive Select B#
13 Ground 14 Drive Select A#
15 Ground 16 Motor B On#
17 Ground 18 Direction of the headstep motor#
19 Ground 20 Step output pulse#
21 Ground 22 Write Data #
23 Ground 24 Write enable#
25 Ground 26 Track 0 #
27 Ground 28 Write Protect #
29 Ground 30 Read Data #
31 Ground 32 Head Select #
33 Ground 34 Diskette change #
J3/J4: COM3/COM4 Connector
Pin Definition Pin Definition
1 Data Carrier Detect (DCD) 2 Serial Input
3 Serial Output 4 Data Terminal Ready (DTR)
5 Chassis Ground 6 Data Set Ready (DSR)
7 Request to send (RTS) 8 Clear to Send (CTS)
9 Ring Indicator (RI) 10 Chassis Ground
J6/J7 : SATA1/ SATA0 Connector
Pin Definition Pin Definition
1 Ground 2 SATA TXP
4 Ground 3 SATA TXN
7 Ground 5 SATA RXN
6 SATA RXP
NEX73 2L2G User Manual
19
Chapter 2
J11/J12/J15 : SYSTEM FAN & CPU FAN Connector
Pin Definition Pin Definition
1 Ground 2 +12V
3 SENSE
J14 : PIO
Pin Definition Pin Definition
1
2 P_PD0 15
3 P_PD1 16 P_PINIT#
4
5 P_PD3 18 Ground
6 P_PD4 19 Ground
7 P_PD5 20 Ground
8 21 Ground
9 GND
P_AF
Line Print Strobe 14
Parallel Data 0
Parallel Data 1
Parallel Data 2 17 Select input
Parallel Data 3
Parallel Data 4
Parallel Data 5
Parallel Data 6
Parallel Data 7 22 Ground
Auto Feed #
Error #
Initialize
10
11 Busy 24 Ground
12 Paper Empty 25 Ground
13 Select 26 Ground
Acknowledge 23 Ground
NEX73 2L2G User Manual
20
Chapter 2
J16 : Keyboard + mouse connector
Pin Definition Pin Definition
1 Keyboard Data 11 Mouse Clock
2 NC 12 NC
3 Ground 13 Ground
4 +5V Standby 14 Ground
5 Keyboard Data 15 Ground
6 NC 16 Ground
7 Mouse Clock 17 Ground
8 NC
9 Ground
10 +5V Standby
J17 : ATX Connector
Pin Definition Pin Definition
1 +3.3V 11 +3.3V
2 +3.3V 12 +12V
3 Ground 13 Ground
4 +5V 14 PWRONX
5 Ground 15 Ground
6 +5V 16 Ground
7 Ground 17 Ground
8 PWROK 18 -5V
9 +5V Standby 19 +5V
10 +12V 20 +5V
J18 : Front Audio Connector
Pin Definition Pin Definition
1 Front Microphone 6 Front Line In Right
2 Analog Ground 7 NC
3 +5V 8 NC
-12Vnn
NEX73 2L2G User Manual
PPower OK
4 +5V 9 Front Line Out Left
5 Front Line Out Right 10 Front Line In Left
Power On
21
Chapter 2
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