Chapter 2. Removal And Replacement Procedures; Removing The Memory Modules Removing The Front Service Housing Components (Wide Models Only) - IBM 4800-741 Hardware Service Manual

Updated July 14, 2008

Chapter 2. Removal and replacement procedures

Before you begin . . . . . . . . . . . . . . . . . . . . . . . . 26
Cables, connectors, and headphones
Connecting your cash drawer to SurePOS Models 721, 741, and 781 . . . . . 27
Removing the slanted I/O trays . . . . . . . . . . . . . . . . . . . 28
Removing the covers
Removing the top plate . . . . . . . . . . . . . . . . . . . . . . 32
Removing the CD-ROM
Removing the hard disk drive
Removing the exhaust fan (Models 742 and 782 only) . . . . . . . . . . 38
Replacing the insulating rubber seal (Models 722, 742, and 782 only) . . . . . 39
Removing the spline . . . . . . . . . . . . . . . . . . . . . . . 41
Removing the I/O modules
Removing the I/O module holders . . . . . . . . . . . . . . . . . . 43
Removing the air duct (Models 722, 74x, 78x, and C4x) . . . . . . . . . . 44
Removing the processor fan (Models 742, 782 only) . . . . . . . . . . . 45
Removing the heat sink and processor . . . . . . . . . . . . . . . . 45
Removing the control switch card . . . . . . . . . . . . . . . . . . 47
Removing the power supply . . . . . . . . . . . . . . . . . . . . 48
Removing the riser card
Removing the planar . . . . . . . . . . . . . . . . . . . . . . . 54
Removing the UPS . . . . . . . . . . . . . . . . . . . . . . . 56
Removing the expansion housing . . . . . . . . . . . . . . . . . . 58
Removing the UPS battery
Removing the front USB card . . . . . . . . . . . . . . . . . . . 61
Removing the memory modules
Removing the front service housing components (wide models only) . . . . . 64
This chapter describes how to remove and replace the field replacement parts.
© Copyright IBM Corp. 2003, 2008
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Removing the system and bezel latches
Removing the pull-out handle
Removing the cable guide . . . . . . . . . . . . . . . . . . . . 66
Removing the cable guide arm assembly . . . . . . . . . . . . . . 67
Routing the cables
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