Configuring the System Board

One shared slot (EISA or PCI)

256 KB flash ROM for easy system BIOS upgrade

System clock/calendar plus 8 KB extended CMOS RAM with battery backup

Onboard AIC-7880 chip that supports one SCSI-2 port

50-pin Fast SCSI-2 and 68-pin Wide SCSI interfaces

Remote Diagnostic Management (RDM) module

I/O interfaces for one video slot, two serial ports, one parallel port, peripheral drives, IDE drives, and one PS/2 keyboard and mouse

Power connector for 420-watt switching power supply

The figure below shows the location of the major components on the system board.

Figure 2-7. System Board Layout

Fan connector 1 (FA1)

 

Fan connector 2 (FA2)

 

Fan connector 3 (FA3)

Wide SCSI connector

RDM Module

Narrow SCSI connector

 

Video RAM

 

COM1

COM2

Mouse port Keyboard port

Parallel port

Buzzer

Video port

Flash ROM BIOS

Video upgrade sockets

Real-time clock

CPU board slot

PCI slots

EISA slots

NCR S26 Hot Plug Server User Guide

2-11

Page 29
Image 29
NCR S26 manual System Board Layout