Installing a Memory Option
13
To confirm that the DIMM adapter is correctly attached to the
computer, do the following:
a) Calculate your total memory size by adding the DIMM
memory size to the base memory size (for example,
7808KB).
For example, if you installed two 16MB DIMMs in addition
to 7808KB base memory, the total memory size can be
calculated as follows:
16(MB) x 2 x 1 24(KB) + 78 8(KB) = 4 576(KB)
Note:
To start Easy-Setup, press and hold
F1; then turn on the computer.
b) Start Easy-Setup and confirm the memory size count at the
upper left corner of the screen as shown:
4 576 KB OK
If a 21 error code appears under the memory count, turn
off the computer and go to page 125 to reinstall the DIMM.
4 576 KB OK
2 1
c) Is the total memory size the same as the value you
calculated in step 13a?
Yes Go to the next step.
No Turn off the computer and go to page 125 to reinstall
the DIMM.
Note:
It may take some time to complete
the memory test.
d) Select Test from the main menu of Easy-Setup; then select
Memory.
The memory test starts.
e) Does an OK message now appear under the Memory icon?
Yes You have installed the DIMM and DIMM adapter
correctly. Exit Easy-Setup and go to next step.
No You need to reinstall the DIMM adapter. Go to page
125 and reinstall the DIMM adapter.
130
IBM ThinkPad 760E, 760ED, or 760EL User's Guide
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