At 09:21 PM 7/21/99 -0400, you wrote: >That's the solution Mark, four 64MB memory cards can give him 240MB >easily, with a good and speedy interface, good support mechanics (why >not consider micro soldering?), and a nice battery system, you can have >close to one GigaByte inside that CAN space you have. >Wagner. > >Mark Willis wrote: >[snip] >> Have you considered a set of battery-backed 72-pin SIMMs, or one or >> two DIMM memory modules? Seems to me that using that setup may be a >> really good answer for you here (The storage media's fairly cheap, data >> bandwith's NOT a problem, etc.) Could sample the data to a PCMCIA drive >> for downloading, or some such, perhaps. That might be good (you'll want >> a GOOD socket that's not going to vibrate loose, though these types of >> sockets should be OK, I'd think - maybe tape the metal latches in place >> to prevent any possible shaking loose of the RAM PCB's.) I'd wonder if >> DIMMs would stay in place well, here, have to help them stay in place >> I'd think What is power consumption for a 64M dRAM SIMM?? or are sRAM SIMM's available in equally large sizes? Is there a hardware solution to refreshing dRAM? Totally transparent to the PIC? I want to deal only with data and address lines--i.e. set the address and write the data. Kelly **************************************************************************** ******** All legitimate attachments to this email will be clearly identified in the text. William K. Borsum, P.E. OEM Dataloggers and Instrumentation Systems &