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3 motherboard overview, 1 major components – Asus Motherboard NR-LSR User Manual

Page 20

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1-6

Chapter 1: Product introduction

1.3

Motherboard overview

Before you install the NR-LSR motherboard, familiarize yourself with its
physical configuration and available features to facilitate the motherboard
installation and future upgrades. A sufficient knowledge of the motherboard
specifications will also help you avoid mistakes that may damage the
board and its components.

1.3.1 Major components

The following are the major components of the NR-LSR motherboard as
pointed out in the picture on page 1-7.

1.

Intel

®

82550PM Fast Ethernet

controller

2.

Intel

®

82544GC Gigabit Ethernet

controller

3.

ATI Rage-XL VGA controller

4.

DDR DIMM sockets

5.

ServerWorks

®

Grand Champion

LE North Bridge (CMIC-LE)

6.

ServerWorks

®

64-bit I/O Bridge

(CIOB-X2)

7.

5-switch DIP (CLKSW)

8.

CPU Socket 478

9.

24/20-pin ATX power connector

10.

Backplane bridge board
connectors

11.

Flash ROM

12.

8-switch DIP (U78)

13.

ServerWorks

®

Champion South

Bridge (CSB5)

14.

Server Management
daughterboard connectors

15.

LPC super I/O controller

16.

ASUS ASIC

17.

LSI

®

SCSI controller

18.

Ultra-160 SCSI connector
(internal)

19.

PCI extended power connector

20.

64-bit 133/100MHz PCI slot

21.

PS/2 mouse port

22.

PS/2 keyboard port

23.

RJ-45 port (100/10 Mbps)

24.

RJ-45 port (1000/100/10 Mbps)

25.

Serial port

26.

RJ-45 port (for server
management)

27.

VGA port

28.

SCSI LED

29.

High-density SCSI connector

30.

USB 1.1 ports

31.

Location switch

32.

Location LED

See page 1-8 for the specifications of each component. Refer to
Chapter 2 for detailed information on the components.