Satellite Pro 4200 recognize RAM only in the B slot

I have recently got a Satellite Pro 4200 and want to increase the memory up to 320 MB.
To start I bought a 128 MB module and have found that with a 64 MB module in a slot and the 128 MB in the other system only recognizes the module into the connector B.

Must the modules in the two slots be the same value for the system to recognize them? i.e. the 128 MB or two 64 MB.
If this is the case its OK but if it's not I don't want to buy another 128 MB module, if the location is unservicable.

Thank you
Billabilla.

Hello

Wow Sat Pro 42000 is an oldie I didn t think someone using this mobile in the future, I mean it's a great laptop but the performance he is too weak to be present-days.
As far as I know the Satellite Pro 4200 was equipped with Mobile Intel Celeron 500 Mhz or with an Intel Pentium III 450 Mhz / 500 Mhz.

Pentium 450 Mhz CPU equipped units can be improved up to 320 MB. All other units can be upgraded up to 576 MB.

I think that the 64 MB module should not be removed!
You must use 64 MB + 128 MB or 256 MB or 512 MB (only for models with 500 Mhz processor).

Hope this helps you

Tags: Toshiba

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