Re: HP 1000 A400 repair #HP1000


Roland Dietiker
 

Hi Rainer

I propose to exchange the VCP EPROMs (U908 U1108, 2764 EEPROMs) and check if the error allready persists. This is the easiest way to exclude an error on VCP EPROMs.

If this not change the situation, let me know which FW revision the board contains: partnumber of the firmware ROMs 12100-800xx (212, U312, U1412, U1512, U208).

 

You could reach me at roland.dietiker@....

 

Best regards

Roland

 

Von: VintHPcom@groups.io [mailto:VintHPcom@groups.io] Im Auftrag von horniger
Gesendet: Sonntag, 29. November 2020 18:40
An: VintHPcom@groups.io
Betreff: Re: [VintHPcom] HP 1000 A400 repair #HP1000

 

Thanks again for the tip with the PROMs. This could be a good start...

Are these PROM HP manufactured?
Or do you know which manufacturer and type/ model these PROMs are?

PROMMER/ READER I own are:
- DataIO System19
- Kontron EPP-80
- SUNSHINE EW-70x
- HI-LO systems ALL-11C

thanks

Rainer

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