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Re: HD20

David Empson suggested:

>> you <you@somehost.somedomain> wrote:
>> 
>> > and it is twined by another 28 pin that is marked: 625v  
>> > c244....VP4060-0001....344-0041-B...c Apple 1982 1983
>> 
>> Probably an IWM.  I don't have anything handy which contains one (short
>> of dismantling a IIc) so I can't easily check the number.
>
>The square pack IWM in the IIgs has a part number of 344-0041-A and a
>copyright date of 1982, so it seems very likely that this is an IWM.  It
>might be a specially modified version (indicated by the 'B' suffix).

Could someone enlighten me about the function of an IWM in a
Smartport to SCSI converter?  I thought the IWM was basically
a Disk ][ controller on a chip.

It must be more than that.  Does it implement Smartport protocols
(which I thought would be in firmware).


-michael

 Email:  mjmahon@aol.com
 Home page:  http://members.aol.com/MJMahon/