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HP-41C double memory module?
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HP-41C double memory module?
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HP-41C double memory module?
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02-03-2016, 10:04 PM
(This post was last modified: 02-03-2016 10:07 PM by Hans Brueggemann.)
Post: #2
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RE: HP-41C double memory module?
dieter, afaik, there was never such an item produced by HP.
it was one of the most popular hacks at that time to put two single-density RAMs into a single module in order to free up ports for other modules. double density modules shared their fate with the famous Austrian internal 4-module upgrade pc-board and lost much of their popularity with the arrival of the CV and CX mainframes. (there was an article in the german version of the ELRAD magazine by joerg warmuth that described the hack in detail. have it somewhere on my hard-disk...) |
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| Messages In This Thread |
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HP-41C double memory module? - Dieter - 02-03-2016, 09:53 PM
RE: HP-41C double memory module? - Hans Brueggemann - 02-03-2016 10:04 PM
RE: HP-41C double memory module? - Dieter - 02-04-2016, 08:07 PM
RE: HP-41C double memory module? - Massimo Gnerucci - 02-04-2016, 08:35 PM
RE: HP-41C double memory module? - Gene - 02-04-2016, 09:03 PM
RE: HP-41C double memory module? - rprosperi - 02-05-2016, 01:53 AM
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