[vcf-midatlantic] Good source for eproms?

Dave McGuire mcguire at neurotica.com
Tue May 24 23:54:39 EDT 2016

  Yes.  The problem with EPROMs forgetting their contents is charge
leakage from the floating gates, not chip failure.

  I have a metric assload of EPROMs (literally thousands) of nearly
every type, especially the really common ones like 2764s, if anyone
needs them.


On 05/24/2016 11:52 PM, Ian Primus via vcf-midatlantic wrote:
> Even if an EPROM has gotten corrupted, the chip itself should still be
> fine. Just erase and reprogram. I've yet to have a problem with doing
> this, it's quite rare to have a dead EPROM.
> Almost every EPROM I have has been scavenged from some sort of junk
> board or another. 2764's and 2732's are quite common, should not be
> hard to find.
> -Ian
> On Tue, May 24, 2016 at 11:22 PM, Jason Perkins via vcf-midatlantic
> <vcf-midatlantic at lists.vintagecomputerfederation.org> wrote:
>> I'm trying to get a Plus HardCard going again. Like many the ROM has
>> forgotten some of its bits so I want to try installing a freshly
>> flashed one.
>> What's a good source for 7264s? Is it worth trying to get used ones on
>> eBay? While I'm at it I'd like to track down a 2732 for an Apple
>> ProFile formatting rom.
>> Thanks,
>> --
>> Jason Perkins

Dave McGuire, AK4HZ
New Kensington, PA

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