In Focus Systems Macintosh II LCD panel box
InFocus systems makes projectors and also LCD display panels that sit on
overhead projectors. The box you have is what connected one of their LCD
overhead projectors to a Mac-II (or newer) series machine _at_ 640x480
resolution...
At 02:08 PM 6/9/03 +0100, you wrote:
>Hi,
>
>Just came across a little 5x5x1" high metal box with the following connectors
>on it:
>
> 15-pin connector labelled "to computer"
> 15-pin connector labelled "to monitor"
> 15-pin high-density connector labelled "to LCD panel"
> connectors for "power in" and "power out"
>
>It's badged as being made by In Focus Systems, "For Macintosh II" and model
>"A-35C".
>
>Before I just trace it inside to see what it does I thought I'd ask here about
>it - maybe someone knows exactly what it is. Presumably some sort of frequency
>convertor unit; any ideas what LCD panel connected to it and the specs of
>it? I
>was hoping it would actually contain some sort of buffer memory inside (and
>might come in handy for something else with a bit of hacking), but it seems
>not. Chips inside are standard logic / timers, a couple of 8-pin "7660CPA"
>chips (whatever those do), and analogue sections for R, G and B. Chip
>dates are
>all within 1990.
>
>May still prove useful for something one day anyway!
>
>cheers
>
>Jules
Received on Mon Jun 09 2003 - 12:45:01 BST
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: Fri Oct 10 2014 - 23:36:08 BST