Intergraph TD-x20 System Reference Manual page 35

Riser Card
Connector
Floppy Disk
Drive Cable
Connector
SCSI Cable
Connector
6. Disconnect the cables from the external ports.
7. Remove the jackscrews from the video, parallel, and serial ports.
8. Remove the hex nuts from the audio jacks.
9. Remove the eight grounding screws from the system board.
10. Slide the system board to the front of the base unit.
11. Lift the board and remove it from the base unit. Set the board on a flat antistatic
surface.
12. Remove the new system board from the antistatic bag and place it on a flat antistatic
surface.
13. Remove the SIMMs from the old system board and install them onto the new one in the
same configuration.
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CD-ROM
Audio Cable
Connector
MIDI/Game
Cable
Connector
EIDE Cable
Connector
Power Cable
Connectors