Operation Manual

Chapter 5. FRU information (service only)

Microprocessor tray assembly ...................68

Microprocessor board connectors, jumpers and LEDs .........68

Microprocessor removal ....................68

Thermal grease........................69

Diskette drive .........................71

Operator information panel ....................72

Media interposer card ......................73

SCSI backplane ........................74

PCI switch card assembly .....................76

Adapter retainer bracket assembly..................77

Power-supply structure ......................78

I/O board and power backplane assembly ...............79

I/O board connectors......................79

I/O board LEDs........................80

I/O board switches and jumpers .................80

Replacing the I/O board and power backplane assembly ........81

This chapter describes the removal of certain server components.

Important: The field replaceable unit (FRU) procedures are intended for trained

servicers who are familiar with IBM Eserver products. See the parts

listing in “System” on page 140 to determine whether the component

being replaced is a customer replaceable unit (CRU) or a FRU.