Double-Sided disk drives reading Single-Sided disks (HP 9122 vs 9121)

[Vassilis Prevelakis]

JP Hindin <jplist2007 at kiwigeek.com> wrote:
> My HP Logic Analyser (1630G) can talk to a HP 9121 via HP-IB. I have found
> a 9122, which is a double-sided version of the same device, as far as I
> can tell. I'm fairly confident the 1630G won't care [...]

Unfortunately, the HP9121 and HP9122 are very different. The former
uses the Amigo protocol to communicate with the host while the HP9122
uses the more recent SS-80 protocol. 

If the 1630G can use both protocols you are OK, otherwise you're stuck.

The HP-85 had an optional ROM that allowed use of SS-80 drives, perhaps
there is a firmware update for the 1630G that talks SS-80.

Regards

**vp