TI Bubble Memory?

From: Joe R. <rigdonj_at_cfl.rr.com>
Date: Sat Apr 17 14:58:45 2004

At 08:41 AM 4/17/04 -0700, Peter Wallace
 wrote:
>On Fri, 16 Apr 2004, Joe R. wrote:
>
>> Today I found a couple of multibus cards made by TI. One of them is
>> marked TM990/210. In addition to a TI TMS9916NL LSIC, it has six large
>> yellow "blocks" on it that I THINK may be bubble memories. They're about 1
>> 1/4" square and about 7/16" thick and are marked "TIB 0203S, 23May80 -1,
>> MSK=627573, 8B, 958-S-40, 24-164-11". They're in flattened out metal
>> cylinders with a black epoxy looking material in the center. There are
>> seven leads coming out of each end and there is what looks like a small
>> plastic transistor clipped to the side of the package. It looks like a
>> transistor but only has two leads so I'm guessing that it's probably a
>> temperatrure sensor. Does anyone know if these are bubble memories? I've
>> had TI bubble memories before but they didn't look anything like this.
>> Anyone know what these cards are? the second one is marked TM990/310. It
>> has three TI TMS9901s on it along with many SSI ICs.
>>
>> Joe
>>
>
>Are you sure they are Multibus? TM990 sounds more like they go in TI 9900
>series backplane...

   No I'm not. I had just got home with them and haven't checked them to be
sure but they look like Multibus. Let me go check.

   Nope, it's not. It's not as wide as a Multibus card and the contacts and
contact row are narrower. Rats!

    Joe
>
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>>
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Received on Sat Apr 17 2004 - 14:58:45 BST