[rescue] Re: Solbourne VME Boards

[Dave McGuire]

On August 27, Zach Malone wrote:
> first board  is labled Heurikon on both of its tabs, and has the following
> lables over its connectors: Serial, FPI, FMS 1 2 3 4 (over a set of LEDs),
> reset, and SCSI.  It seems to be a Motorola M68000 board of some sort as it
> has two small chips on it which are labled MC68000R10 and MC68450RC10, with

  Not sure what this one is...likely a SCSI host adapter but perhaps
more.  The 68450 is a DMA controller.

> further markings below them.  Board number two is a 6U VME card with 4 large
> AMD branded chips on it, and two sub boards which lie flat on the VME card,
> it has a 10 pin plug on the back (just pins, it is 5x2) which extends from a
> daughter card which has an AMD chip labled Am29000 - 16GC, a minidin
> connector, 2 small LEDs, and then 4 large bulb like objects, which are
> alternatingly black, and red, the connectors for those are labled AT&T.  I

  This is a FDDI interface...Interphase 4211, most likely.  The
bulblike objects are rubber covers over ST fiber connectors.

> then have 4 boards which are covered with chips, the majority of which are
> TI or Philips (?) branded.  The ones which are in sockets have MX07?? or
> MX7?? (with ? representing any number) on them.  These boards have no
> external connectors, nor back plates.  Finally, I have a board with the

  Not sure what this one is.

> Solbourne logo on one tab, and MUX on the other, and it then has 3 50 pin
> cables along the rear.  It seems highly likely to me that this is a Xylogics
> 781 16-port MUX.

  That sounds correct.

     -Dave

-- 
Dave McGuire
Laurel, MD