Removal and replacement procedures 37
Hot-plug HDD power cable management
Item PSU cable label 400W power supply 500W power supply
1 P2 PWRCN2 on the system board —
4 P2 — 4-pin power extension cable
2
P1 PWRCN1 on the system board —
3
P1 — 24-pin power extension cable
P4 HDD backplane board — 5
P7 — HDD backplane board
P3 Optical disc drive — 6
P5 — Optical disc drive