On Mon, 23 Feb 1998, Jeffrey Ohlmann wrote:

> 
> I am actively seeking to buy network interface cards for my P550 and my
> fiance's P6200.  Both have a PDS expansion slot.
> 
> I have read the Apple TIL #10308 regarding PDS differences among Mac
> models, but I am still somewhat confused. 
> 
> This is what I _think_ I understand so far:
> 
> 	-The earliest Macs had none (Classic, Classic II, Powerbook)

The Classic was not one of the earliest Macs. They were, the Mac, the Fat
Mac (with a whopping 512K!!), then the Mac Plus, Then the SE.

> 	-The SE has a unique one (96 pins but a unique wiring scheme)
> 	-The SE/30 and IIfx have yet another (120 pins) [also IIsi?]

The IIsi uses the same PDS slot as the SE/30. I'm not sure if it's the
same one in the IIfx (that machine was SO weird). The IIsi PDS slot is
where the NuBus interface goes. :-)

> 	-Quadras use a 140-pin connector.
> 
> 	-All computers in the LC class use a 96-pin slot, except the LC	
> 	III, which uses a 114-pin slot.  However, all machines after the
> 	LC III have a slot that can accomodate either the 96 or 114 pin
> 	cards. This "LC" slot is the most common type.
> 
> Now, whether this is correct or not ...
> 
> I have found cards being advertised as "for LC, LCII, LCIII, LC475, and
> Quadra 605"  The brand/manufacturer is unknown to me.  My question is,
> will these cards work in the aforementioned machines, P550 and P6200? 

I'm not sure.

Take care,

Bill