These are the leftovers from an HP mag tape upgrade. The 7980 is a very
popular mag tape unit that is OEM'd to a number of other computer companies.
The 88780 is the OEM model number for this drive. There are a couple kits
to convert from SCSI to HPIB interfaces. It sounds like you have the
remains of
the upgrades. There also was an upgrade to convert from the 4 board set to the
3 board set...
Don
At 09:22 PM 3/21/98 -0600, you wrote:
>Ok, here's a group of cards made by Hewlett Packard that appear to be of
>a mini computer style....
>
>The first three have the white extractor tabs on two corners (much like
>an HP 1000's cards do) and are 7.5" by 17" and have female header
>connectors on the bottom 17" edge. Here's each card:
>
>1) p/n 07980-66503 and has three bios looking socketed chips in the
>upper left corner. These are numbered 88780-12122, -12222, -12322 and
>there's a crystal for 20mhz on board. My guess is it's a processor
>board?
>
>2) p/n 07980-66534 and has a quick lock type ribbon cable socket on the
>top/left, two bios looking chips numbered 88780-12423 and-12523. this
>has a flat coin type battery next to the ribbon connector, a Motorola
>MC68000 and 12 mhz crystal below that. Isn't the 68000 part of the Mac
>computers? I have no guess on this one other than maybe an processor or
>emulator card.
>
>3) p/n 07980-66531 and has two ribbon quick locks. One is the same as
>the last card but behind a steel shield plate. The other is similar to
>the one used on older floppy controllers. This one also only has two
>bottom connectors rather than three like the other two.
>
>The fourth appears to be an SCSI card. It's irregular in shape and has
>two 50 pin Centronics females as well as two 50 pin quick lock ribbon
>connectors, one next to the Cent's and one on the opposite side. There's
>a bios type chip with a label reading 88780-12618/U51 SCSI 6.62 and a
>strange type brown two pin poweer connector. It appears to be mounted by
>screws, not cage/slide mounted. It measures 11" x 6.25" and has a cutout
>of roughly 3.5 x 4.5 inches near the two prong brown power type
>connector.
>
>
>Ok...you people know more about the big hardware than me. It's been 5
>years since I've even seen an HP 1000 mini (from when I used an ESTS
>station in the AF to test missiles) and it's all a blur. Anyone know
>what these are, what they're from, and a possible new home for them? I
>hate to throw away the heavy hardware since I know it's costly and in
>some cases scarce. If someone wants to make me an offer for the four I'm
>sure I'd take it. Remember, these look like they're good and are
>untested. Let's face it though, anytime you can get something HP without
>paying HP's price you're doing good. I'd especially take anything PC
>parts wise in trade for these if someone has something good they can
>spare.
>
>Make me an offer and we'll go from there. They WILL go to the dump at
>the end of March though. They weigh probably 5-6 lbs for all four, very
>light.
> --------------------------------------------------------------------
> Russ Blakeman
> RB Custom Services / Rt. 1 Box 62E / Harned, KY USA 40144
> Phone: (502) 756-1749 / Data/Fax:(502) 756-6991
> Email: rhblake_at_bbtel.com or rhblake_at_bigfoot.com
> Website: http://members.tripod.com/~RHBLAKE/
>
> * Parts/Service/Upgrades and more for MOST Computers*
> --------------------------------------------------------------------
>
>
>
>
Received on Sun Mar 22 1998 - 11:38:39 GMT