Panasonic Toughbook CF-S9KWAZG1M Reference Manual page 95

Expanding Memory
2
Insert the RAM module parallel to the slot firmly until the gold terminals are invisible.
If it is hard to insert the RAM module, do not try forcibly but check the module's direction.
<CF-C1 Series>
3
Press the RAM module down until the right and left hooks (D) lock into place.
When pressing down the module, the right and left hooks will open slightly and will return after locking.
If it is hard to press down the RAM module, do not try forcibly but check the module's direction.
<CF-C1 Series>
4
Set the cover and battery pack back.
NOTE
If the RAM module is recognized correctly, the total size of this computer's memory and RAM module memory is displayed
on the [Information] menu of the Setup Utility.
If the RAM module is not recognized, turn off the computer and insert it again.
<CF-F9 Series>
<CF-F9 Series>
<CF-S9 Series>
<CF-S9 Series>
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