fan problem and RAM upgrade on IBM Thinkpad A21m

Archived from groups: comp.sys.laptops (More info?)

Dear friends, could you possibly help me to solve the two problems I
have with my Thinkpad A21m:

1. I've installed Windows XP on this machine and it's become really
slow, so I decided to buy an extra 128 MB SDRAM SODIMM. There is one
64 MB SODIMM currently installed in slot 1, another slot is empty.
Can I expand the memory up to 192 MB, i.e. having 64 in slot 1+128 in
slot 2, or it always has to be the equal amount in each slot (like
64+64, 128+128, etc.)?

2. The computer became suspiciously calm in last couple of days. It
seems like the fan is not working. Is there any way of fixing it or
getting a new one and replacing it on this particular model without
sending it to the repair centre?

Many thanks for your suggestions,

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