Re: Drive Keeps Running...

[Tony Cianfaglione <ab616@chebucto.ns.ca>]

Thanks, I'll try it as I have an old non-working MacPlus to use as parts.
I picked up the IIc recently with some other stuff and it worked well
otherwise.

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On 18 Jun 1999, O Aaland wrote:

> When I have encountered this problem the solution has been to replace the 
> IWM chip. This is the controler chip for the disk drives. If an external 
> drive is connected or disconnected while power is on this chip can blow.
> The part number on the chip is 344-0041-A. It is located under the inside
> rear corner of the disk drive. Parts source, either Altec or an old Mac
> motherboard. I believe all macs up through the Mac Plus used this chip. 
> It is also found on the UniDisk 3.5 Disk Controler Card.
> 
>