Converting Scsi From Duplex To Simplex Operation; Safety Information; Accessing The Scsi Backplane Board; Convert To Simplex - HP Integrity rx4640 Upgrade Manual

U320 SCSI Enablement and Conversion Procedures

Converting SCSI From Duplex to Simplex Operation

Converting SCSI From Duplex to Simplex Operation
This optional section explains how to convert your server from duplex to simplex operation. The procedures
requires unplugging and stowing the SCSI B cable, removing the SCSI duplex board, and installing a jumper
cable on the SCSI backplane.

Safety Information

Follow the procedures listed below to ensure safe handling of components and to prevent harm to both you
and the hp Server:
• Use an antistatic wrist strap and a grounding mat, such as those included in the Electrically Conductive
Field Service Grounding Kit (hp 9300-1155).
• Handle accessory boards and components by the edges only. Do not touch any metal-edge connectors or
any electrical components on accessory boards.
• Do not wear clothing subject to static charge build-up, such as wool or synthetic materials.
WARNING Hazardous voltages are present inside the hp Server. Always remove AC power
from the server and associated assemblies while working inside the unit. Serious
injury may result if this warning is not observed.

Accessing the SCSI Backplane Board

Prior to adding the accessories required to convert your server from duplex to simplex you must remove outer
components to access the SCSI backplane board. To gain access to the SCSI backplane board perform the
following steps:
Step 1. If rack mounted, slide the hp Server out from the rack until it stops. See "Accessing a Rack
Mounted Server" on page 12.
NOTE
Step 2. Remove the front bezel. See "Front Bezel" on page 15.
Step 3. Remove the front cover. See "Removing the Front Cover" on page 18.
Step 4. Remove the memory extender board. See "Memory Extender Board" on page 23.
Step 5. Remove the processor extender board. See "Processor Extender Board" on page 21.

Convert to Simplex

To convert to duplex, perform the following steps:
70
If your hp Server is pedestal mounted, you need not remove the pedestal to perform
the duplex to simplex conversion. Proceed directly to the next step.
Chapter 5