Clear cmos/flash boot block recovery, Processor speed settings, System board memory – IBM A40 TYPE 6840 User Manual
Page 36: Installing memory, Clear cmos/flash boot block recovery processor, Speed, Settings, System, Board, Memory
Clear CMOS/Flash Boot Block Recovery
Use the recovery jumper setting to Clear CMOS or to Flash Boot Block Recover.
Jumper
Setting
Description
CMOS Reset
2-3
CMOS Reset/Flash Recovery
Mode
1-2 (D)
Normal Mode
Note:
The A40/A40P/A40i CMOS clear/recovery jumper pins are numbered as follows:
v
Pin 1 is the farthest from the battery.
v
Pins 2 and 3 are below pin 1, as seen in the System Board layout.
Processor Speed Settings
Processor speed for type 2271/6840/6841 computers are fixed and are determined
by the processor. There are no settings required.
System board memory
Installing memory
When installing DIMMs, the following rules apply:
v
Fill each system memory connector sequentially, starting at DIMM 0.
v
Use 3.3 V, 133 MHz, unbuffered, SDRAM non-parity DIMMs.
v
Use only 64, 128, or 256 MB DIMMs in any combination.
To install a memory module, do the following:
1.
Remove the AGP adapter.
2.
Locate the DIMM connectors.
3.
If the retaining clips are not already open, open them.
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Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer