HP 7970E tape drive woes

From: Bob Shannon <bshannon_at_tiac.net>
Date: Mon Jul 2 18:54:27 2001

I have a HP7970E.

Where are you located Jay?

Jay West wrote:

> Greetings and a question for the list....
>
> My HP7970E tape drive is *sick* (plus I just blew the 30v supply in my
> HP2100A, but that's a whole other story about me and Murphy's Laws on
> getting HP2000 Access up and running). Do others find that resurrecting
> these old systems causes a propensity to drink excessively? *GRIN*
>
> On to the question... The 7970E passes all the mechanical tests via the
> switches internal to the unit (tape speeds & motion basically). It fails the
> read/write test portion of the diagnostics (but does pass interrupt/DMA
> tests so I suspect the interface boards are ok). Is anyone particularly
> familiar with these beasts and can suggest a course of action? I have all
> the "theory of operation" and "maintenance" manuals (as well as schematics),
> but they are two 4 inch thick manuals and a lot of it is way over my head.
> Hopefully someone can point me in the right direction to at least get me
> started - or better yet, anyone have a 7970E up and running that would be
> willing to loan me some boards to test mine via boardswapping??
>
> Thanks for any info (or condolences & empathy) anyone can provide!
>
> Jay West
Received on Mon Jul 02 2001 - 18:54:27 BST