48G Destructive Teardown - EEVblog
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05-23-2017, 01:52 AM
Post: #5
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RE: 48G Destructive Teardown - EEVblog
The other oddity about that calculator was the jumper between ROM and RAM chip. The calculator presumably got upgraded to 128KB, but such an upgrade never required anything more than a RAM chip replacement.
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Messages In This Thread |
48G Destructive Teardown - EEVblog - Dave Frederickson - 05-20-2017, 03:18 PM
RE: 48G Destructive Teardown - EEVblog - d b - 05-20-2017, 03:46 PM
RE: 48G Destructive Teardown - EEVblog - Han - 05-22-2017, 05:51 PM
RE: 48G Destructive Teardown - EEVblog - cruff - 05-22-2017, 11:52 PM
RE: 48G Destructive Teardown - EEVblog - Han - 05-23-2017 01:52 AM
RE: 48G Destructive Teardown - EEVblog - Paul Berger (Canada) - 05-23-2017, 02:34 AM
RE: 48G Destructive Teardown - EEVblog - Eric Rechlin - 05-23-2017, 07:58 PM
RE: 48G Destructive Teardown - EEVblog - TomC - 05-23-2017, 05:30 AM
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