25 Jan
2005
25 Jan
'05
2:20 a.m.
RCA-labelled microcomputer labelled "COSMAC"
Screen and keyboard:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=1247&item=51…
Dual floppy drives:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=1247&item=51…
--Bill
25 Jan
25 Jan
3:17 a.m.
Oh yes. a CDP18S008V1 RCA Cosmac Development System 4. and the drive
system too in the other auction.. Originally about $10K worth of RCA cosmac
gear. I wonder what cards are in it. Here's my system:
http://bellsouthpwp.net/d/o/dogas/cosmac/dev4.htm
;)
- Mike
From: William Maddox <wmaddox(a)pacbell.net>
Subject: Is this an 1802 development system?
RCA-labelled microcomputer labelled
"COSMAC"
Screen and keyboard:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=1247&item=51…
rd=1&ssPageName=WDVW
Dual floppy drives:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=1247&item=51…
rd=1&ssPageName=WDVW
--Bill
12:53 p.m.
In message <001a01c502e8$8c123980$4c63d6d1@r2p0s6>\
"Mike" <dogas(a)bellsouth.net> wrote:
Nice. I built a COSMAC ELF a while back - there's a photo of it in the
CosmacElf.com photo gallery. The URL is
<http://www.cosmacelf.com/gallery4.htm> if anyone's interested.
Hmm.. You've got a copy of the MPM-201C manual? I've been after a copy of
that for ages. That and the appnotes that Rockwell and Synertek (and MOS
too?) released for the AIM-65, SYM and the 6502 in general.
IIRC some of them covered video controllers and such...
Later.
--
Phil. | Acorn Risc PC600 Mk3, SA202, 64MB, 6GB,
philpem(a)philpem.me.uk | ViewFinder, 10BaseT Ethernet, 2-slice,
http://www.philpem.me.uk/ | 48xCD, ARCINv6c IDE, SCSI
... In nuclear warfare all men are cremated equal.
26 Jan
26 Jan
3:38 p.m.
Is there anybody on the list that seriously wants this thing or should I
go after it? It's within easy driving distance of me.
Joe
25 Jan
25 Jan
5:38 p.m.
On Tue, 25 Jan 2005 09:17:04 -0500, Mike <dogas(a)bellsouth.net> wrote:
Oh yes. a CDP18S008V1 RCA Cosmac Development System 4. and the drive
system too in the other auction.. Originally about $10K worth of RCA cosmac
gear. I wonder what cards are in it. Here's my system:
http://bellsouthpwp.net/d/o/dogas/cosmac/dev4.htm
Veeery nice. I remember drooling over that stuff when I was a kid,
trying to put together my first Elf. I didn't even have a floppy
drive for my PET, let alone being able to afford what RCA wanted.
-ethan
5:54 a.m.
RCA-labelled microcomputer labelled
"COSMAC"
Screen and keyboard:
Dual floppy drives:
That's the terminal and floppy drives, but neiher of those is
the actual development system.
I passed up a chance to buy a complete COSMAC development system
(well, not including the terminal) at Weird Stuff fifteen years
ago. At the time I thought the $200 price was unreasonable.
Oh well.
By the way, those floppy drives must be incredibly valuable, since
8 1/4" drives are *very* rare.
8:02 a.m.
On Tue, 25 Jan 2005, Eric Smith wrote:
By the way, those floppy drives must be incredibly
valuable, since
8 1/4" drives are *very* rare.
Actually, they will become very common; since the universe is
expanding, they'll become 8 1/4", 8 1/2", etc. Don't forget all
floppies were 5.25" once, and some on this list talk about smaller
drives, but we know they are all crazy. Unfortunately bit density
decreases with time due to bogon density increasing.
8:44 a.m.
On Tue, 2005-01-25 at 11:02 -0800, Tom Jennings wrote:
On Tue, 25 Jan 2005, Eric Smith wrote:
I've definitely got issues with the bogon density of my brain lately :-)
By the way, those floppy drives must be
incredibly valuable, since
8 1/4" drives are *very* rare.
Actually, they will become very common; since the universe is
expanding, they'll become 8 1/4", 8 1/2", etc. Don't forget all
floppies were 5.25" once, and some on this list talk about smaller
drives, but we know they are all crazy. Unfortunately bit density
decreases with time due to bogon density increasing. 
8:32 a.m.
On Tue, 25 Jan 2005, Eric Smith wrote:
I passed up a chance to buy a complete COSMAC
development system
(well, not including the terminal) at Weird Stuff fifteen years
ago. At the time I thought the $200 price was unreasonable.
Oh well.
At that time, it was.
--
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
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[ Old computing resources for business || Buy/Sell/Trade Vintage Computers ]
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26 Jan
26 Jan
4:41 a.m.
From: Eric Smith <eric(a)brouhaha.com>
well it *is* the/an actual development system when the complement of cards
are installed. True, there is an 1802 run console in there too but so is
the card cage. It boots into a monitor and and would run CDOS ( if I could
ever find it.) and MOPS( i think) for ICEing another 1802 system through the
micromonitor calculator pad.
RCA-labelled
microcomputer labelled "COSMAC"
Screen and keyboard:
Dual floppy drives:
That's the terminal and floppy drives, but neiher of those is
the actual development system. I passed up a chance to buy a complete COSMAC
development system
(well, not including the terminal) at Weird Stuff fifteen years
ago. At the time I thought the $200 price was unreasonable.
Oh well.
Sounds like maybe the C.D.S III (the previous version #007) Development
System. Was it a mostly rackmounted card cage?
- Mike
8:57 a.m.
I wrote:
That's the terminal and floppy drives, but neiher
of those is
the actual development system.
Mike wrote:
well it *is* the/an actual development system when the
complement of cards
are installed.
Really? The one I saw years ago at Weird Stuff, and the ones that RCA
tried to sell me years before that, the computer was a box separate
from the terminal (keyboard/display box).
Sounds like maybe the C.D.S III (the previous version
#007) Development
System. Was it a mostly rackmounted card cage?
The ones I saw looked rack-mountable but were not in fact in racks at
the time.
Eric
27 Jan
27 Jan
5:38 a.m.
From: Eric Smith <eric(a)brouhaha.com>
Wait! I think you were right from the beginning.. I assumed that grey
fuzzy area of the pic said 'Development System' and not 'Cosmac Data
Terminal' which seems to also match something possibly mentioned in the
auction text too.... Sorry.
Still cool parts though, especially for a RCA CDS II, III, or monoboard
system... any cosmac... ;)
- Mike
I wrote:
cards
That's the terminal and floppy drives, but
neiher of those is
the actual development system.
Mike wrote:
> well it *is* the/an actual development system when the complement of are installed.
Really? The one I saw years ago at Weird Stuff, and the ones that RCA
tried to sell me years before that, the computer was a box separate
from the terminal (keyboard/display box).
7183
days inactive
7185
days old
11 comments
9 participants
participants (9)
-
dogas＠bellsouth.net -
eric＠brouhaha.com -
ethan.dicks＠gmail.com -
julesrichardsonuk＠yahoo.co.uk -
philpem＠dsl.pipex.com -
rigdonj＠cfl.rr.com -
tomj＠wps.com -
vcf＠siconic.com -
wmaddox＠pacbell.net