IBM 7940, Problem Determination And Service Manual

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Contents
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Guidelines for trained service technicians . . . . . . . . . . . . . . . viii
Inspecting for unsafe conditions . . . . . . . . . . . . . . . . . viii
Guidelines for servicing electrical equipment . . . . . . . . . . . . . viii
Safety statements . . . . . . . . . . . . . . . . . . . . . . . . x
Chapter 1. Introduction . . . . . . . . . . . . . . . . . . . . . . 1
Related documentation . . . . . . . . . . . . . . . . . . . . . . 1
Notices and statements in this document . . . . . . . . . . . . . . . . 2
Features and specifications . . . . . . . . . . . . . . . . . . . . . 3
Server controls, LEDs, and connectors
. . . . . . . . . . . . . . . . 5
Front view . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Rear view . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Internal LEDs, connectors, and jumpers . . . . . . . . . . . . . . . . 7
System-board internal and option connectors . . . . . . . . . . . . . 7
Operator information panel controls and internal connectors . . . . . . . . 8
System-board switches and jumpers
. . . . . . . . . . . . . . . . 9
System-board external connectors . . . . . . . . . . . . . . . . . 11
System-board LEDs . . . . . . . . . . . . . . . . . . . . . . 12
Chapter 2. Configuration information and instructions . . . . . . . . . 15
Updating the firmware . . . . . . . . . . . . . . . . . . . . . . 15
Configuring the server . . . . . . . . . . . . . . . . . . . . . . 15
Using the Configuration/Setup Utility program . . . . . . . . . . . . 15
Configuring the Ethernet controller. . . . . . . . . . . . . . . . . 16
Updating the BMC firmware . . . . . . . . . . . . . . . . . . . 16
Updating the UUID . . . . . . . . . . . . . . . . . . . . . . . 17
Updating the DMI/SMBIOS data . . . . . . . . . . . . . . . . . . 17
Chapter 3. Parts listing, Type 7940 and 7941 servers . . . . . . . . . . 19
Replaceable server components . . . . . . . . . . . . . . . . . . 21
Product recovery CDs . . . . . . . . . . . . . . . . . . . . . . 23
Power cords . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Chapter 4. Removing and replacing server components . . . . . . . . 29
Installation guidelines . . . . . . . . . . . . . . . . . . . . . . 29
System reliability guidelines . . . . . . . . . . . . . . . . . . . 30
Handling static-sensitive devices . . . . . . . . . . . . . . . . . 30
Returning a device or component . . . . . . . . . . . . . . . . . 30
Removing and replacing Tier 1 CRUs . . . . . . . . . . . . . . . . 31
Removing the cover . . . . . . . . . . . . . . . . . . . . . . 31
Installing the cover
. . . . . . . . . . . . . . . . . . . . . . 31
Removing an air baffle . . . . . . . . . . . . . . . . . . . . . 32
Installing an air baffle
. . . . . . . . . . . . . . . . . . . . . 33
Removing a riser-card assembly . . . . . . . . . . . . . . . . . 33
Installing a riser-card assembly . . . . . . . . . . . . . . . . . . 34
Removing an adapter
. . . . . . . . . . . . . . . . . . . . . 35
Installing an adapter . . . . . . . . . . . . . . . . . . . . . . 36
Removing the CD or DVD drive . . . . . . . . . . . . . . . . . . 36
Installing the CD or DVD drive . . . . . . . . . . . . . . . . . . 38
Removing a memory module (DIMM). . . . . . . . . . . . . . . . 39
Installing a memory module . . . . . . . . . . . . . . . . . . . 40
Removing a fan
. . . . . . . . . . . . . . . . . . . . . . . 42
© Copyright IBM Corp. 2007
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