LisaList2

General Category => LisaList2 => Topic started by: blusnowkitty on February 25, 2021, 09:16:12 am

Title: IWM on 2/5's IO board?
Post by: blusnowkitty on February 25, 2021, 09:16:12 am

I'm away from my Lisa right now so I can't just pull the I/O board and check...

https://lisaem.sunder.net/LisaSchem/Lisa1SysIO4.gif

If this is part of the schematic to the 1 and 2/5 I/O board, what's up with U1A being called the IWM? I thought that didn't come along until the 2/10.

Title: Re: IWM on 2/5's IO board?
Post by: Lisa2 on February 25, 2021, 12:11:10 pm

Your correct, there is no IWM chip on the 2/5 I/O card.  That drawing is for the 2/10 version.

Here is the correct page: