Pete wrote:
> The IBM I have has a 3 ISA slot riser card that plugs in to the middle of
> the mother board, and the 3.5 flopy and hard drive both have ribbons going
> to the mother board.
That's a model 30-286, type 8530-Axx
> I have a 40 mb plus development plus hard card 40. This a 40 mb hard
> drive built on a ISA card. I was able to plug it into a few diferent
> computers and it worked.
As long as the built in controller doesn't have a drive it will, just like any
stock 286 machine.
> I also was able to get a 40 mb C gate drive to work in an IBM 286, but I
> would like to use the on board controller if at all posible.
The ribbon cable from there should have a wide card edge connector on it to the
hard drive, and no power plug for the hard disk. This is a proprietary drive,
known as an MCA drive, and most over 20 mb are ESDI (it sets up with parameters
being fed to it).
> When you have 3 ISA slots in a computer it seems you always are running
> out of slots to conect devices to.
Uh-huh, I know.
> Another thing that's a problem whith the IBM's is finding memory for them.
> The one I am trying to do the hard drive for has two 30 pin sim slots in it,
> and the other ones have foure 30 pin sim slots in them. Also the foure sim
> sloted beasts, the sims are straight up pirpendicular to the mother board.
The 30 pin memory usually isn't a problem as long as they match and are of a
speed that it can use, usually 80ns. The 2mb 72 pin SIMMs are a pain but I've
managed to collect quite a few up over the last year for machines I overhaul.
The 30 degree slant on the sockets is normal.
> The two sim sloted 286 the two sims are at a lower than 45 digree angle to
> the mother board.
I have drives up to 80mb for the controller on board, as well as 72 pin 2mb
simms. Drop me a direct email if you want/need something. The 30's you can pull
from other things.
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