>Does anyone know if the same ram chips will work in the 5300cs and the
>190??? I have extra ram for the 5300 (54MB) that I would love to use in the
>190/
>Thanks
>Jim
Some will, some won't. All Apple RAM will. Some Kingston RAM - most -
will. Everything else is hit or miss. The reason is Apple revised the
memory specs at the last minute before release of the 190/5300 and RAM
manufacturers had already manufactured on the old specs. Incorrect RAM
will either not be recognized, cause startup bus errors or cause timing
issues ('wait states').
If you have a (presumably) 56MB card, it is a 5300 card. The 190 won't
recognise more than 36MB if it's a 190 and 40MB if it's a 190cs (mind
you, I've never stuck a really big card in a 190, and I;m not sure
there's an ASIC or something in ROM which won't handle it). I'd be
interested to hear how much a 190 recognised of it though - probably up
to its RAM limit. The 2400 had similar JDEC card limitations, but 3rd
party manufacturers have worked around these and I think the latest was
104MB for those PBs. And, as Michelle Klein-Haas has shown on Vintage
Macs, even a good old LCIII/475 can take 128MB 72-pin SIMMs (132MB
total). Although in fairness, I s'pose even a 386 with 8 RAM slots could
take 8 16MB 30-pin SIMMs. Although why you'd bother on a machine like
that, that's one helluva a lot less usable than an SE/30 is beyond me ;-)
Cheers,
RD
Remy Davison
Contributing Editor/News Editor, Insanely-Great Mac
<http://www.insanely-great.com> mail: <[EMAIL PROTECTED]>
RD's PowerBook page: <http://www.macpowerbook.com>
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