Specifications For The System Board - IBM Aptiva Hardware Handbook

Specifications for the system board

The system board is the main circuit board in the system
unit. It supports a variety of devices, such as the mouse
and keyboard, and provides other basic computer
functions. The system board is sometimes called the
planar or motherboard. The system board shown on
page 100 has the following parts:
1
Battery. Replace the battery with a 3-volt (CR2032)
lithium battery only.
2
VESA feature connector. Used for video and
graphics adapter cards.
3
Video memory module sockets. You can upgrade
the video memory to a maximum of 2MB. Your
system board comes with 1MB of video memory.
Specifications: 40-pin, surface mount package (SOJ),
256K x 16, 60 nanoseconds (ns), dynamic random
access memory (DRAM).
4
Memory module sockets (for SIMMs). Memory
modules are also called single inline memory
modules or SIMMs. You can upgrade the memory on
your system board to a maximum of 128MB. Your
system board comes with 8MB already installed.
Specifications: 72-pin; 32-bit or 36-bit; 2MB, 4MB,
8MB, 16MB, or 32MB; 70 ns; gold contacts; DRAM.
5
Processor socket. Holds the processor.
Processor. Your computer has an Intel** Pentium**
6
processor.
7
Local Bus connector 2. Holds signal cables that
attach to drives.
8
Local Bus connector 1. Holds signal cables that
attach to drives.
Diskette connector. Holds signal cables that
9
attach to drives.
Wake Up on Ring connector. Holds the Wake Up
10
on Ring cable attached to the internal modem.
Riser card connector. Holds the riser card.
11
Specifications for the system board 101