> On 2019-07-07, at 21:43, Jim Brain <brain_at_jbrain.com> wrote: > > Memory in a 250466 PCB went flaky, so I tried my hand at repair. The PCB is the 3 ROM version, but with 4164 DRAMs. After desoldering the DRAMs, socketing, and installing some new DRAMs (all working now), I decided to see if I could switch the unit over to SRAM. It appears I and some other folks had similar ideas, I recall Gerrit to be among those who successfully did it before (several) others… -- SD! - https://e4aws.silverdr.com/Received on 2020-05-29 21:47:45
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