Accessing The Scsi Backplane Board And Optional Pspb - Dell PowerEdge 4300 Installation And Troubleshooting Manual

C-2 Dell PowerEdge 4300 Systems Installation and Troubleshooting Guide
4. Slide the system board tray out of the chassis to the service position.
See "Accessing the SCSI Backplane Board and Optional PSPB" in Chapter 7 .
5. Disconnect the power cable harness from the POWER connector on the small
computer system interface (SCSI) backplane board, the PWR1 and PWR2 con-
nectors on the system board, and the diskette drive and other external drives.
When disconnecting the cables from the SCSI backplane board and the system
board, press the plastic latch on one side of the connector to release it.
6. Remove the screw securing the PSPB tray to the chassis (see Figure C-1).
screw
7 . Remove the PSPB tray from the chassis.
8. Remove the power cable harness from the side of the PSPB tray by compressing
the two retention tabs on each of the connector mounting posts.
9. Install the three new Y power cables into the three slots in the inner side of the
PSPB tray.
To install a cable, position the 36-pin connector on the cable such that the J1 con-
nector's label faces away from the floor of the PSPB tray. Insert the connector
through the slot in the tray until the retention tabs on the mounting posts lock the
connector into place.
PSPB tray