Chapter 9
Storage Devices
9-9
9.3.2
To Replace the SCSI Backplane
Caution –
Use proper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an ESD-protected mat. Store ESD-sensitive
components in antistatic bags before placing them on any surface.
1. Attach the wrist strap.
See Section 7.1 “To Attach the Wrist Strap” on page 7-1.
2. Power off the system and remove the input power connector(s).
See Section 6.2 “To Power Off the System” on page 6-3.
3. Remove the top cover.
See Section 7.2 “To Remove the Top Access Cover” on page 7-4.
4. Remove the power supply.
See Section 8.1.1 “To Remove the Power Supply” on page 8-1.
5. Feed the connector cable to the motherboard under the drive bay.
6. Using a No. 1 Phillips-head screwdriver, replace the four screws securing the SCSI
backplane.
7. Replace the dual processor bracket.
See Section 10.1.4 “To Replace the Dual Processor Bracket” on page 10-6.
8. Replace the CPU module(s).
See Section 10.1.2 “To Replace a CPU Module” on page 10-4.
9. Replace any SIMMS which may have been removed.
10. Replace the power supply.
See Section 8.1.2 “To Replace the Power Supply” on page 8-5.
11. Replace the top cover.
See Section 7.3 “To Replace the Top Access Cover” on page 7-6.
12. Remove the wrist strap.
13. Replace the front cover.
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Summary of Contents for Netra t 1120
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Page 62: ...6 4 Netra t 1120 1125 Service Manual August 1998 FIGURE 6 2 System Power Off Front Panel 1125...
Page 65: ...Chapter 7 Internal Access 7 3 FIGURE 7 2 Attaching the Wrist Strap to the Rear of the Chassis...
Page 67: ...Chapter 7 Internal Access 7 5 FIGURE 7 3 Removing the Top Access Cover 1125 Screws Tab...
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Page 85: ...Chapter 9 Storage Devices 9 3 FIGURE 9 1 Removing and Replacing a Hard Disk Drive...
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Page 148: ...Index 4 Service Manual August 1998...