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Re: Tiny RAM drive (Re: ][+ Questions)
- Subject: Re: Tiny RAM drive (Re: ][+ Questions)
- From: "william strutts" <wrstrutts1@home.com>
- Date: Tue, 05 Jun 2001 04:31:25 GMT
- Newsgroups: comp.sys.apple2
- Organization: Excite@Home - The Leader in Broadband http://home.com/faster
- References: <9fdh6j$dug$1@nserve1.acs.ucalgary.ca> <ilblhtk8mkol7a86fa68ptdvtd5on76dkh@4ax.com> <9fhlfr$m48$1@nserve1.acs.ucalgary.ca>
- Xref: archiver1.google.com comp.sys.apple2:8465
Remember 8-bit programs were not big and memory was
expensive. I started with a 4k TRS-80 Color Computer.
--
--
William R. Strutts - wrstrutts1@home.com - Whatever!
C'est moi! http://www.facelink.com/wrstrutts
Just hacking away...
"Byron Desnoyers Winmill" <wbdesnoy@acs5.acs.ucalgary.ca> wrote in message
news:9fhlfr$m48$1@nserve1.acs.ucalgary.ca...
> How would somebody have used such a tiny write-protected RAM drive? (Gee,
> it is hard to think on the kB scale anymore!)
>
> Byron.
>
> agentwd40 (adrift@mindspring.com) wrote:
> : The switch will write protect the ram card.
>
> :>One of my recent finds is a ][+ with the following curiousity: under
slot 0,
> :>the 74LS138 chip has been replaced with a red block and wires leading to
a
> :>toggle switch at the rear of the machine. [...]
> :>
> :>There was also a Macrotech Mem-1 board in this machine. It looks like a
16kB
> :>expansion board, and is sitting in slot 0.
>