
(See Figure 5 for Steps 7-8: Installing CPU Board and Cables)
7. Install new CPU board (2 screws) using a T10 Torx screwdriver.
8. Connect the following cables to the CPU board: flexible disk drive cable, hard disk drive data
cable, video signal cable from monitor, hard disk drive 40-pin signal/data cable, power cable
to hard disk drive, I/O cable, HP-IB cable, and 2-wire cable providing power to front flexible
disk drive.
a. Remove strain relief from HP-IB cable.
b. Feed power cable to front flexible disk drive through bottom of central rib slot and
toward bottom of unit. Feed cable upwards. Feed all CPU board cables through bottom
slot of central rib.
Figure 5. Installing CPU Board and Cables
HP E2479A Upgrade Procedures
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