Commodore PET disk drive power-up error codes

[Dwight K. Elvey]

>From: ard at p850ug1.demon.co.uk
>
>> [If it is a 2114, it will be the second one I've found dead in PET hardware
>>  over the past month - other was was video RAM in a 4032]
>
>FWIW, I've had _lots_ of 2114s fail. I had to replace all of them in my 
>8050 (IIRC, if you hvave multiple RAM errors, you get the flash code for 
>the lowest bank first, then when you've replaced those you get the code 
>for the next bank, and so on...). I  had to replace the video RAMs in my 
>TRS-80 Model 3. And the RAM in my HP82163 video interface. And more...
>
>In my experiece the 2114 is one of the least reliable chips ever...
>
>-tony
>

Hi
 Compared to the 2111's, the 2114's are really quite good.
Dwight