Identifying Parts On The System Board - IBM 8302 Hardware Maintenance Manual

Types 8307, 8308, 8310, 8311, 8314, and 8315
The following illustration will help you locate the various components in your
computer.

Identifying parts on the system board

Types 8303, 8304, and 8312
The system board (sometimes called the planar or motherboard) is the main circuit
board in your computer. It provides basic computer functions and supports a
variety of devices that are IBM-installed or that you can install later.
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Hardware Maintenance Manual
1 Microprocessor and heat sink
2 DIMMs
3 AGP slot (some models)
4 PCI adapter
5 Power supply