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HP 65 issue
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12-04-2021, 02:47 PM
Post: #1
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HP 65 issue
I have a HP65. It has a perfect apperance.
And it also work in normal calculation. But when you touch the operation related to the ram such as program function or sto number into rigester. The screen will become black and no response at all. And I must wait for nearly 10 miniutes then I can turn on it to do the normal calculation except ram operation. Alough I am waiting for Tony’s new HP65 CPU board. I still want to figure out what happened on my original CPU board. I guess the ram has defected. But the 65 has a hybrid CPU which is different with the HP67 who has an ACT. HP35 HP45 HP55 HP65 HP67 HP21 HP25 HP29C HP19C HP97 HP10C HP11C HP12C HP15C HP16C HP31E HP32E HP33E HP33C HP34C HP37E HP38E HP38C HP41 |
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| Messages In This Thread |
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HP 65 issue - tangdfx - 12-04-2021 02:47 PM
RE: HP 65 issue - teenix - 12-04-2021, 09:07 PM
RE: HP 65 issue - tangdfx - 12-05-2021, 01:56 AM
RE: HP 65 issue - teenix - 12-05-2021, 02:22 AM
RE: HP 65 issue - tangdfx - 12-05-2021, 02:35 AM
RE: HP 65 issue - teenix - 12-05-2021, 03:23 AM
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