On Thursday, July 10, 2014 10:03:38 PM UTC-5, Christian Brodermann wrote: > > Alright thanks for that info about the Quadra board! > > Now I noticed someone said to put 64 MB of RAM into the 637CD, but on > EveryMac, it says it only supports up to a 32 MB RAM stick. > > How can I put a 64 MB RAM stick into this machine, and is there a specific > type of RAM, or will any old 72-pin SIMM work? >
The Q/P/LC 63n family uses 72 pin SIMMs. While rare-ish, 72 pin SIMMs are available in 64MB and 128MB capacities. Not all Macs, which use 72 pin SIMMs, are capable of addressing the SIMMs larger than 32MB, but the machine in question can. The HP part numbers, D4893 and D4290 identify 128 MB and 64 MB 72 pin SIMMs respectively, which will work in Macs that accept those capacities. The D4893 is actually a rebadged Samsung KMM53632000, so that's a worthwhile search term as well. IBM also sold these SIMMs but I don't which part numbers they used, and they also used a different manufacturer (than Samsung) sometimes. There's doesn't appear to be anything affordable under these part numbers on Ebay at the moment. At least, not what I consider affordable. It may be that the ship has sailed, but the 64 MB SIMMs used to be about $10 and the 128 MB SIMMs were about $20. That was the bottom of the price curve, but you could find those prices pretty regularly. Jeff Walther -- -- ----- You received this message because you are a member of the Vintage Macs group. The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to vintage-macs@googlegroups.com To leave this group, send email to vintage-macs+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/vintage-macs Support for older Macs: http://lowendmac.com/services/ --- You received this message because you are subscribed to the Google Groups "Vintage Macs" group. To unsubscribe from this group and stop receiving emails from it, send an email to vintage-macs+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
