Installing memory above system max

[somewildmonkey]

Hi,

I have an older PC that has 128MB RAM on the motherboard and has a
socket which will take a 144pin, SO-DIMM SDRAM module. The system
spec's say that the max memory is 256MB total. (In other words, I'm
supposed to be able to put up to a 128MB DIMM in that socket).

My question is as follows (and I realize there might not be a
definitive answer as it could depend upon the system's h/w design):

If I install a 256MB DIMM (instead of the 128MB specified max) into the
socket, in general, would this be a problem? Will there be an extra
address line left "floating" and cause unpredictable consequences?
Note, that I'm not expecting to actually be able to address the
additional memory, it's just that I happen to have a spare 256MB module
on hand and would like to use it.

The system is a Panasonic CF-81, 850MHz Pentium 3.

Regards,

MB

 

[KC Computers]

I have an older PC that has 128MB RAM on the motherboard and has a

socket which will take a 144pin, SO-DIMM SDRAM module. The system
spec's say that the max memory is 256MB total. (In other words, I'm
supposed to be able to put up to a 128MB DIMM in that socket).
If I install a 256MB DIMM (instead of the 128MB specified max) into the
socket, in general, would this be a problem? Will there be an extra
address line left "floating" and cause unpredictable consequences?
Note, that I'm not expecting to actually be able to address the
additional memory, it's just that I happen to have a spare 256MB module
on hand and would like to use it.
The system is a Panasonic CF-81, 850MHz Pentium 3.

From our experience as a dealer, most computers let you access the
maximum RAM amount allowed with no issues. Some computers may not
recognize the module if it's incompatible. So go ahead and try it.

 

[somewildmonkey]

KC, thanks for your reply. I'm going to give it a try this afternoon.

Regards,

MB