Re: upgrading CBM-3040?

From: Mike Stein <*mhs.stein_at_gmail.com*> Date: Mon, 13 Nov 2017 13:57:29 -0500 Message-ID: <E54C4E0696D94EF8A86F93244A69D2B9@310e2> · mhs.stein_at_gmail.com

Sorry, Jim; I usually give you a plug whenever this sort of thing comes up but this time I forgot for some reason.

See you at WoC?

m
  ----- Original Message ----- 
  From: Jim Brain 
  To: cbm-hackers@musoftware.de 
  Sent: Monday, November 13, 2017 1:46 PM
  Subject: Re: upgrading CBM-3040?

  On 11/13/2017 12:37 PM, Mike Stein wrote:

---
Some drives use 2332s with an active-high chip enable and it looks like that's the case with the 2/3/4040 drives' CS2, so you might also have to add an inverter in order to use 2532s.

m

       Message was sent through the cbm-hackers mailing list
I'd recommend at least considering the 23XX adapter design (uses a '138 to handle active high/low things like this:

  www.go4retro.com/downloads/23XXAdapter/

  Obviously, I can shamelessly plug buying from me, but I really just though the idea was novel and hope folks can utilize it.

  Jim

-- 
Jim Brain
brain@jbrain.com 
www.jbrain.com

       Message was sent through the cbm-hackers mailing list