Sorry abou this Travis, you're wrong here. Only a few like the 50, 50Z and 70
use a backplane card controller. The models 25 through 40 series are ISA and
some have built-in proprietary controlers or you can use a stock controller
and drive - 8 or 16 bit dependant upon the actual unit. Some have mylar
ribbons for IBM drives, some have ribbon cabling. Many of the models use SCSI
drives (stock type too) and either have a controller built in or use an
adapter card.. They generally all use a ribbon cable as well.
Every model/type in the PS/2 line is different in some way from the other. I
work them daily and by the dozens so I can make this statement. I also have a
full IBM hardware maintenance manual that shows all but the P70 and L40SX but
I have those as well in other books.
I missed the roiginal message this was about. If anyone is looking for PS/2's
or parts just email me direct, I have all sorts of stuff - but NO sound cards.
Travis Siegel wrote:
> Fyi, just so folks know. In the ps/2 machines, there are no ribbon cables
> at all. The drives plug directly into a backplane that is plugged
> directly into the motherboard. So unless you recognize moddle numbers, or
> know spacifically what kind of drive a particular model of ps/2 machine
> has, you can't tell just by looking at the drive. But like I said, most
> of them are IBM brand esdi drives with a circuit board that goes directly
> into the backplane, no cables required. Makes those drives unusable in
> any other system whether it's esdi or not.
>
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