IBM A40I TYPE 2271 User Manual

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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: 
 
 
Pin 1 is the farthest from the battery. 
 
 
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: 
 
 
Fill each system memory connector sequentially, starting at DIMM 0. 
 
 
Use 3.3 V, 133 MHz, unbuffered, SDRAM non-parity DIMMs. 
 
 
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