CMT 64Kb RAM module for HP-71b question
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10-09-2021, 11:43 PM
Post: #8
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RE: CMT 64Kb RAM module for HP-71b question
(10-09-2021 09:10 PM)Dave Frederickson Wrote: Trim a business card to the width of the module opening. Moisten about 1/4" of the end of the card with DeoxIT D-Series. Insert and remove the card into the module a bunch of times. If it's a contact problem hopefully this will take care of it. Well, I cleaned it, but it didn't seem to help. However, I realized that I have always tested with MultiMod (default config). Removed it and everything works perfectly. Furthermore, trying three 32K RAM modules with MultiRom installed the third one always has issues, just like the behavior of the second port of my 64K module when I had it installed with one 32K module. When I'm only using 2x32K or 1x64K, MultiRom works fine... Looks like false alarm on the RAM. |
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