IBM 2179, 6643 manual FRU replacements, Moving The Computer

Chapter 4. FRU replacements

Moving The Computer	. 13		Diskette drive/CD-ROM drive/DVD drive removal		24
System board layout	. 14		Removing the drives from the drive bracket
CMOS Clear jumper settings	.	15	assembly . . . . . . . . . . . . . . 24
Processor Speed Settings	.	15	Speaker assembly removal	.	25
System Board Memory	.	15	Battery removal and installation	.	25
Removing a DIMM	.	15	Fan removal	.	26
Installing a DIMM	.	16	Power supply removal	.	26
Power Supply	.	16	Processor removal	.	28
20-pin main power supply connection . . . .	. 16		System board removal	. 29
Display	.	17	Power inverter board removal	.	29
Computer exploded view (Types 2179 and 6643) .	. 18		Chassis assembly removal	. 31
Input/Output connectors	.	19	Front bezel removal	.	32
Controls and status indicators	.	20	LCD removal	.	32
Rear bucket housing (rear cover) removal . . .	. 21		LCD Receiver card removal	. 33
Upper base cover and base cover wing removal .	. 22		Installing the Receiver card	. 34
Hard disk drive removal	.	23	Hinge assembly removal	.	34
Rear EMC cover assembly removal	. 23

Moving The Computer

Take the following precautions before moving the Type 2179 or Type 6643 computer.

1.Remove all media from the drives.

2.Power-off the computer and all attached devices. The hard disk drive automatically parks the read/write heads to prevent damage to the hard disk.

3.Unplug the power cords from the electrical outlets.

4.Disconnect the communication, modem, and/or network cables from their outlets first, then from the computer.

5.Disconnect all attached device cables from the computer.

6.If you are moving the computer a short distance, you can carry the keyboard on the computer base.

© Copyright IBM Corp. 2004 13