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HP 15c CE - New firmware update officially available!
08-05-2024, 05:58 PM (This post was last modified: 08-05-2024 07:06 PM by AnnoyedOne.)
Post: #63
RE: HP 15c CE - New firmware update officially available!
I received my HP-15C CE programming cable today and have successful updated the firmware to the latest (2024-06-03, 0A0Ah) version. Some notes.

1) I installed SAM-BA v2.18 in a Win7 SP1 (32-bit) VM. When I put the HP-15C CE into bootloader mode via the cable the host automatically installed a USB driver. However the 32-bit VM tried but failed to do so. I had to "update" the VM driver by pointing to the SAM-BA program "drv" folder.

2) I tried to read and save the existing (2023-01-05, 9090h) firmware to a file. However, unfortunately, SAM-BA v2.18 reset (for reasons unknown) the read offset from 0x4000 to 0x0000 so that resulted in an incorrect read. Unfortunately I wrote the new firmware before checking and thus don't have a copy of the original firmware. No big deal. I wanted to save that in case of issues with the updated version.

3) I then used VoyagerSave to create a blank memory image. I then (re)entered the program I keep in the unit and saved that.

All in all (despite the VM driver issue) everything went fine. Thanks to Moravia.

A1

HP-15C (2234A02xxx), HP-16C (2403A02xxx), HP-15C CE (9CJ323-03xxx), HP-20S (2844A16xxx), HP-12C+ (9CJ251)

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RE: HP 15c CE - New firmware update officially available! - AnnoyedOne - 08-05-2024 05:58 PM



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