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HP48GX RAM card design
06-10-2017, 11:06 PM
Post: #1
HP48GX RAM card design
Hello All,

For anyone interested in making their own RAM cards for HP48GX calculators, I have just uploaded a KiCAD design on which I've recently been working. The design files are hosted in a git repository at:-

https://bitbucket.org/cloudycat/rc48-512/overview

along with a small amount of documentation. As you can see from the README, I have built two of the cards myself and have been using them for the past few weeks with no major problems so far.

The files are released under a CC-BY-SA licence which essentially means that any use can be made of them as long as modifications are also released under the same licence.

Obviously I cannot give any guarantees as to the correctness of the design or fitness for purpose (particularly as the information I found on the net about this was incomplete and sometimes inconsistent). Nevertheless, I had enough faith in the design to consider it worth the risk with my one and only HP48GX calculator!

Any comments welcome,
Paul
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Messages In This Thread
HP48GX RAM card design - pdo - 06-10-2017 11:06 PM
RE: HP48GX RAM card design - EugeneNine - 06-12-2017, 01:08 AM
RE: HP48GX RAM card design - pdo - 06-12-2017, 12:29 PM
RE: HP48GX RAM card design - pdo - 06-21-2017, 09:11 PM
RE: HP48GX RAM card design - EugeneNine - 06-22-2017, 12:15 AM
RE: HP48GX RAM card design - mfleming - 06-22-2017, 03:04 AM
RE: HP48GX RAM card design - pdo - 06-22-2017, 08:44 PM
RE: HP48GX RAM card design - EugeneNine - 06-22-2017, 12:54 PM
RE: HP48GX RAM card design - wan - 01-18-2021, 03:51 AM
RE: HP48GX RAM card design - Eric Rechlin - 01-18-2021, 03:09 PM
RE: HP48GX RAM card design - wan - 01-19-2021, 12:54 AM
RE: HP48GX RAM card design - Marco Polo - 01-21-2021, 06:27 AM
RE: HP48GX RAM card design - wan - 01-21-2021, 09:33 AM
RE: HP48GX RAM card design - Marco Polo - 01-21-2021, 04:12 PM
RE: HP48GX RAM card design - wan - 01-22-2021, 12:50 AM
RE: HP48GX RAM card design - mfleming - 01-19-2021, 02:03 AM
RE: HP48GX RAM card design - wan - 01-19-2021, 02:36 AM
RE: HP48GX RAM card design - mfleming - 01-19-2021, 05:34 AM
RE: HP48GX RAM card design - pdo - 01-19-2021, 08:41 PM
RE: HP48GX RAM card design - wan - 01-20-2021, 03:48 AM
RE: HP48GX RAM card design - pdo - 01-20-2021, 09:18 PM
RE: HP48GX RAM card design - arborist - 05-17-2021, 04:50 PM



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