Replacing S3400-H disk drive cables

You can replace the ribbon cables to the hard-disk drives and removable-media drives on the S3400-H if needed.

The S3400-H contains two ribbon cables that are field replaceable:

• SCSI RAID controller cable
• DVD cable

Replacing the SCSI RAID controller cable

To replace the SCSI cable to the RAID controller card:

1. Verify that the replacement equipment is on site and appears to be in usable condition, with no obvious damage.
2. Shut down the system and unplug the AC power cords.
3. Remove the front bezel and top cover.
4. Remove the circuit card hold-down bracket.
5. Remove the old SCSI cable as follows. See Replacing the SCSI RAID controller cable.
   1. Disconnect the SCSI ribbon cable from the IDE connector on top of the RAID controller card.
   2. Disconnect the other end of the ribbon cable from the SCSI connector on the RAID disk-drive backplane.

   Note: You might have to unplug the IDE cable to the DVD in order to access the SCSI connector.

   3. Remove the cable. Set it aside.
6. Install the new cable by reversing the removal steps (see step 5).
7. Replace the circuit card hold-down bracket.
8. Replace the top cover and front bezel.
9. Restore power to the system.

If the system boots correctly, the new cable should be working.

Replacing the DVD cable

To replace the IDE ribbon cable to the DVD drive:

1. Verify that the replacement equipment is on site and appears to be in usable condition, with no obvious damage.
2. Shut down the system and unplug the AC power cords.
3. Remove the front bezel and top cover.
4. Remove the circuit card hold-down bracket.
5. Remove the old DVD cable as follows. See Replacing the S3400-H DVD cable.
   1. Disconnect the IDE cable from the DVD drive.
   2. Release the tie-down strap that holds the cable to the chassis.
   3. Disconnect the other end of the ribbon cable from the secondary (SEC IDE) connector on the mother board.
   4. Remove the cable. Set it aside.
6. Install the new cable by reversing the removal steps (see step 5).
7. Replace the circuit card hold-down bracket.
8. Replace the top cover and front bezel.
9. Restore power to the system.
10. Verify new drive operation.

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