Re: Hacking 1764 RAM expansion to 512KB

• Previous message: Cameron Kaiser: "Re: Ethernet for the 64! Not a discussion, a reality!"
• In reply to: ncoplin_at_orbeng.com: "RE: Hacking 1764 RAM expansion to 512KB"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]

Hello,

Nick wrote:

[Proff wrote:]

> >You may also find the following schematics useful:
> >http://staff.washington.edu/rrcc/uwweb/1750/
> 
> This was an interesting link, I've never come across the service manual for
> the 1750. Interesting info.

I'm surprised: In http://staff.washington.edu/rrcc/uwweb/1750/Schem-l.jpg,
I see U18 as 27128/27256 EPROM. Although I have programmed a REU before and
read the user's manual, I did not know that there is an EPROM socket 
inside a REU! 

What is it used for?

Curious,
   Spiro.


       Message was sent through the cbm-hackers mailing list

• Next message: ncoplin_at_orbeng.com: "RE: Hacking 1764 RAM expansion to 512KB"
• Previous message: Cameron Kaiser: "Re: Ethernet for the 64! Not a discussion, a reality!"
• In reply to: ncoplin_at_orbeng.com: "RE: Hacking 1764 RAM expansion to 512KB"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]

Archive generated by hypermail 2.1.4.