HP Visualize J5000 hp Visualize J5000, J7000 workstations service handbook (a4 - Page 140

SCA Hard Disk Interface, Removing the SCA Hard Disk Interface, SCA Hard Disk Interface

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Field Replaceable Units (FRUs) FRU Removal and Replacement SCA Hard Disk Interface This section describes how to remove and replace the SCA (Single Connector Attach) hard disk interface (also known as the backplane board), which is mounted on the back of the hard disk drive bays in the J5000 and J7000 workstations. Removing the SCA Hard Disk Interface To remove the SCA hard disk interface, do the following: 1. Disconnect all hard disk drives from the front panel by following the removal procedures in "Hard Disk Drives" on page 96. Note which hard disk drive is the root disk for proper reinstallation later. NOTE You must remove the hard disk drives before you can remove the SCA hard disk interface. 2. Remove the top panel and right side panel of the workstation. 3. Remove the power supply by following the removal procedures in "Power Supply" on page 128. 4. Remove the Ultra2 Wide LVD SCSI ribbon cable from the SCA hard disk interface, as shown in Figure 4-52. Figure 4-52. SCA Hard Disk Interface SCA power cable Screws SCSI ribbon cable 5. Remove the SCA power cable from the top right edge of the SCA hard disk interface, as shown in Figure 4-52 above. 136 Chapter 4

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136
Chapter 4
Field Replaceable Units (FRUs)
FRU Removal and Replacement
SCA Hard Disk Interface
This section describes how to remove and replace the SCA (Single Connector Attach) hard
disk interface (also known as the backplane board), which is mounted on the back of the
hard disk drive bays in the J5000 and J7000 workstations.
Removing the SCA Hard Disk Interface
To remove the SCA hard disk interface, do the following:
1.
Disconnect all hard disk drives from the front panel by following the removal
procedures in “Hard Disk Drives” on page 96. Note which hard disk drive is the root
disk for proper reinstallation later.
NOTE
You
must
remove the hard disk drives before you can remove the SCA hard
disk interface.
2.
Remove the top panel and right side panel of the workstation.
3.
Remove the power supply by following the removal procedures in “Power Supply” on
page 128.
4.
Remove the Ultra2 Wide LVD SCSI ribbon cable from the SCA hard disk interface, as
shown in Figure 4-52.
Figure 4-52. SCA Hard Disk Interface
5.
Remove the SCA power cable from the top right edge of the SCA hard disk interface, as
shown in Figure 4-52 above.
SCSI ribbon cable
SCA power cable
Screws