IBM 2179, 6643 manual CMOS Clear jumper settings, Processor Speed Settings, System Board Memory

22 Ethernet connector

23 PS/2 keyboard and mouse connector.

CMOS Clear jumper settings

CMOS Clear Jumper	Description
1.2	Normal
2.3	Clear CMOS

To clear CMOS, see “CMOS Clear Procedure” on page 72.

Processor Speed Settings

Processor FSB speed for the IBM Personal Computer Types 2179 and 6643 are set in the Setup Utility (configuration) program. There are no jumper settings for processor speed.

System Board Memory

Types 2179 and 6643 use PC133 Non-Parity DIMM memory modules.

Removing a DIMM

Note:

Be careful not to push too hard on the retaining clips, because the DIMM might eject too quickly.

Chapter 4. FRU replacements 15