Compaq 4200, 4150 Service Considerations, Serial Number, Tool Requirements, Cables and Connectors

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4.2Service Considerations

Listed below are some considerations to keep in mind during the disassembly and assembly of the computer.

4.2.1Tool Requirements

■Torx T-8 screwdriver

■Flat-bladed screwdriver

■Tool kit, Compaq part number 100767-001 (includes case utility tool, connector removal tool, and loop back plugs)

■7-mm socket wrench

■3/16-inch socket wrench

■Preloaded application diskettes

4.2.2Cables and Connectors

Apply only the tension required to seat or unseat the cables during insertion or removal from connectors. Handle cables by the connector or pull tabs whenever possible. In all cases, avoid bending, twisting, or tearing the cables, and ensure that cables are placed in such a way that they cannot be caught or snagged by parts being removed or replaced.

CAUTION: When servicing these computers, ensure that cables are placed in their proper location during the reassembly process. Improper cable placement can cause severe damage to the unit.

4.3Serial Number

The computer serial numbers should be provided to Compaq whenever requesting information or ordering spare parts. The serial number is located on the bottom of the CPU on the left front corner.

4-6 Removal and Replacement Preliminaries