Configuring the system board, Features, Major components – NCR S26 User Manual

Page 28

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Configuring the System Board

2-10

Using System Features

Configuring the System Board

This section contains information to help you properly configure the system
board.

Features

The 64-bit, high-performance system board supports both the Intel Pentium

and Pentium Pro

microprocessors (also called CPUs). However, to provide

maximum upgradability and flexibility, the microprocessors are not installed
on the system board.

Instead, the system board has a special slot designed to accommodate a
separate CPU board. This dual-processor CPU board contains both
microprocessors and the embedded 512 KB pipeline burst second-level cache.
See the section, “Installing CPU Boards,” in Chapter 3 of this manual.

Standard features such as a video port, two serial ports, one parallel port,
diskette drive interface, and embedded fixed disk drive interface reside on the
system board.

The system board has a 0 MB base memory and supports a maximum
memory of 512 MB using 64 MB single-density single inline memory modules
(SIMMs). A functional system is recommended to have at least 16 MB of
RAM.

Major Components

The system board has the following major components:

Eight 72-pin SIMM sockets labeled Bank 0, 1, 2, and 3 (two sockets
comprise one bank) that support single- and double-density 60/70 ns
SIMMs

One CPU board slot

Two 32-bit EISA expansion slots supporting master/slave add-on cards

Four PCI local bus slots

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