System Board - Intergraph TD-x20 System Reference Manual

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System Board

CAUTION The system board is extremely sensitive to static electricity. To prevent serious damage to
the system board, wear the antistatic wrist strap while performing the following steps. Do not
open the antistatic bag containing the system board until instructed.
To remove the system board:
1. In a desktop system, remove the floppy disk drive and system hard disk drives as
described previously in Chapter 2, "Maintaining System Devices."
2. Remove the peripheral brace, as described previously in "Replacing the Riser Card."
3. Remove the riser card, as described previously in "Replacing the Riser Card."
Disk Activity LED
Cable Connector
4. Note the orientation of the Reset, Disk Activity LED, and Power On LED cables; then
disconnect the LED and Reset cables from the system board.
5. Disconnect all other cables from the system board. The following figure shows the cable
connector locations.
Power On LED
Cable Connector
Reset Cable
Connector