[time-nuts] 5370B PROM

[John Allen]

Hi Joe - Thanks for the good info.
I would like a back rom. Thanks, John K1AE

Sent from my iPhone

On Nov 10, 2009, at 4:07 PM, Joe Geller <joegeller at roadrunner.com>  
wrote:

> My  5370B PROM turns out to be fine (there was some operator error)
> I picked up a DATA I/O 201 programmer and some NOS windowed
> MOT MCM68764C to have some backups (this was probably overkill, since
> I have never actually seen a failed hp counter from ROM failure)
>
> A newly burned MCM68764C appears to work perfectly.
> The programmer reports SUMCHECK 7387 for U3, 5370B Ser. No. 2438A  
> 01154
>
> The programmer can report in the following formats:
> INTEL INTELLEC 8, INTEL MCS-86 HEX,
> MOTOROLA EXCERCIS, MOTOROLA EXORMAX, and
> TEKTRONIX HEX
>
> I can read these formats to a text file using a Windows terminal  
> emulator to save them to a file,
> however, I do not know how to make the “ROM Image”.  I was hoping  
> to be able to say something
> about the ROM version, but I do not know how to compare the files I  
> get to
> the available 5370B ROM image?  The DATA I/O 201 does not appear to  
> directly save the binary file.
>
> I can supply a few replacement 5370B ROMs at cost plus shipping if  
> anyone needs one.
>
> Regards,
> Joe
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.