HP 9020 - I;O Backplane

4-70 Assembly Access
I/O Backplane
1. UNPLUG COMPUTER POWER CORD FROM AC OUTLET.
2. Perform steps 2 through 7 of the 110 Card Cage Fan procedure previously provided.
3. Disconnect
110 door interlock cable connector from 110 backplane (Figure 4-74).
4.
Remove #2 Pozidriv screw that attaches front card gUide to casting (Figure 4-74) and
remove front card gUide.
FRONT CARD GUIDE
FRONT CARD GUIDE SCREW
1/0 DOOR INTERLOCK
CABLE CONNECTOR
Figure 4-74. Removing Front Card Guide