OOPS, that should have read 12MHZ. It also has two 34 pin connectors and one
20 pin connector that apparently is the serial out.
tom
Tom Ponsford wrote:
> Interesting day at the auction.
>
> The Data General Aviion 9500+ went for a whopping $17.00. The pallet of
> ultrasparc's went for $300, (way over my budget), but I walked out with
> a pdp11/73 in a BA11 case.
>
> And the mystery box. A black DEC BA11-m case with a dark camo-green
> panel and 3 qbus cards, a DRV11-b, a dual qbus card with two 20 pin berg
> connectors. No I.D. except for the stencil EXTREL 500869 C-81, I have no
> idea maybe a floppy controller or a serial card.
>
> And finally A Quad height Qbus board with a Motorolla MC68000l12
> processor and a paper label at the bottom of the board that says:
>
> 590139
> BUS CPU
> REV A
> EXTREL 2MHZ
>
> It also has 2 Zilog Z80 chips a
> Z80B CTC and a
> Z80 UART
>
> So is this a motorola 68K Qbus board??
>
> Can Anybody enlighten me. Any documentation, a quick google search
> found very little .It probably was part of a instrument that was sold in
> another lot.
> I picked this one up as I spotted the ba-11 qbus box.
>
> Cheers
>
> Tom
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Received on Tue Jun 29 2004 - 15:42:50 BST