HP-150 MS-DOS Computer

[roger pugh]

> 
>     I've got an HP-150 which just developed a video problem.  Any chance
> the TechRef is downloadable somewhere?
> 


http://hpmuseum.net/collection_document.php

abut half way down is the 150 service manual.  My 150 also has a video
problem.  Diagnosis is "aided" by flashing LED's on startup.  This is
supposed to show which memory location is faulty.   I havnt had time to
investigate further.

roger