microcoding a PC into a PDP-11 (was: RE: Classic Computers vs. Classic Computing)

From: Jonathan Engdahl <engdahl_at_cle.ab.com>
Date: Tue Sep 18 08:13:06 2001

Doing a web search on "flash DIMM" shows that HP, Xerox, and Lexmark
printers use something called Flash DIMM in 2M, 4M, and 8M sizes. Prices are
about $100 per meg. Something called "flash DIMM" shows up on eBay for under
$100. Question is, how do you program it, and will it plug into a PC
mainboard and do what you'd expect it to? (no, making smoke is not what I

Jonathan Engdahl???????????????? Rockwell Automation
Principal Research Engineer????? 24800 Tungsten Road
Advanced Technology????????????? Euclid, OH 44117, USA
Euclid Labs????????????????????? engdahl_at_cle.ab.com  216-266-6409
> -----Original Message-----
> From: owner-classiccmp_at_classiccmp.org
> [mailto:owner-classiccmp_at_classiccmp.org]On Behalf Of Ethan Dicks
> Sent: Monday, September 17, 2001 11:40 PM
> To: classiccmp
> Subject: RE: microcoding a PC into a PDP-11 (was: RE: Classic Computers
> vs. Classic Computing)
> --- Jonathan Engdahl <engdahl_at_cle.ab.com> wrote:
> > > ...Besides, that's why I suggested a SIMM or DIMM.
> >
> > Cool idea -- flash on a DIMM. Has anyone ever heard of such a beast?
> Cisco routers have used them in the past, and I have an internet
> appliance called a WebPal (StrongARM processor, ISA slot, TV out,
> IR keyboard, yadda, yadda) with a 1Mb FLASH DIMM with a blank spot.
> Someone has ported Linux to it, but you need the 2Mb DIMM and an
> external programmer to get a kernel into it.
> -ethan
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Received on Tue Sep 18 2001 - 08:13:06 BST

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