HP 9915A failed 8048

[Paul Berger]

On 2022-02-26 16:21, Tony Duell via cctalk wrote:
> On Sat, Feb 26, 2022 at 5:19 PM js--- via cctalk <cctalk at classiccmp.org> wrote:
>
>> As the chances of success are highly
>> improbable, looks like I'm SOL on this
>> particular motherboard.
> My bench is rather full at the moment and will be for a few more weeks...
>
> But if you get no other help and you can wait a bit, I believe one of
> my old EPROM programmers can read the 8048/8748 with the right
> adaptor, and the schematic of that is in the manual. I also have a
> working (I hope) HP9915. So I could have a go at making said adaptor,
> extracting the 8048 from my HP9915, and readng it out. You would then
> have to find somebody who could program the ROM image into an 8748.
>
> -tony

If no one else steps up I have more that one programmer that can handle 
8748, I probably have a few 8748s as well.

Paul.