Intergraph DHAF02430, System Reference Manual

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8. Place the new power supply into the base unit, and push it forward until it engages.
9. Secure the power supply to the base unit.
10. Connect the power cables to the internal devices.
11. Connect the AC power cable to the power supply.
12. Attach the floppy drive and horizontal drive bay.
13. Install the speaker and connect the speaker cable.
14. Install the face plate and cover.
Riser Card
To replace the riser card:
1. Open the base unit as described in Chapter 1.
2. Remove all installed option boards. If ISA boards are installed, remove the internal disk drive
bay, and then remove the ISA cards. Refer to “Internal Bay Disk Drives” earlier in this chapter.
3. Disconnect the SCSI cable and power cable from the riser card.
4. Remove the screw that secures the riser card brace to the top of the PCI card guide.
5. Loosen the two screws that secure the riser card brace to the PCI card guide, slide the card guide
back, and remove the card guide. Note how the PCI card guide fits over the lip on the rear of the
power supply.
Screw
Riser Card
PCI Card
Guide
Screws
Riser Card
Screws
Power
Supply