15 Apr
2019
15 Apr
'19
1:08 p.m.
I am selling an Atex PDP-11/34. The computer has: J11 CPU, 11 MB RAM, 2
BA11-LE expansion chassis, a second backplane, an SMD disk controller and
LAN hardware.
Items are all untested, sold as-is.
Local pickup is preferred, but I will consider shipping freight.
Please make an offer on the whole machine, or any piece of it.
16 Apr
16 Apr
11:32 a.m.
11/34 originally had a two board MSI chip set CPU, in two versions. 34 and 34a.
J11 versions, sort of an 11/84 variant in a 34 chassis seem to have popped up.
is it like this one?
On Tue, Apr 16, 2019 at 12:56 AM Thomas Raguso via cctalk
<cctalk at classiccmp.org> wrote:
I am selling an Atex PDP-11/34. The computer has: J11 CPU, 11 MB RAM, 2
BA11-LE expansion chassis, a second backplane, an SMD disk controller and
LAN hardware.
Items are all untested, sold as-is.
Local pickup is preferred, but I will consider shipping freight.
Please make an offer on the whole machine, or any piece of it.
11:49 a.m.
On 04/15/2019 12:08 PM, Thomas Raguso via cctalk wrote:
I am selling an Atex PDP-11/34. The computer has: J11
CPU, 11 MB RAM, 2
BA11-LE expansion chassis, a second backplane, an SMD disk controller and
LAN hardware.
11 MB ram on a PDP-11? Is that possible?
Also, was the J11 used in the 11/34? Wasn't the /34 all TTL?
Jon
12:25 p.m.
On Tue, Apr 16, 2019 at 10:49 AM Jon Elson via cctalk
<cctalk at classiccmp.org> wrote:
On 04/15/2019 12:08 PM, Thomas Raguso via cctalk
wrote:
No. On VCFED, I saw a post that said there were 176 256Kbit chips on
it. I work the math as:
11 chips == 256Kbytes (with ECC)
44 chips == 1MBytes (with ECC)
176 chips == 4MBytes (with ECC).
I have no idea where 11MB came from.
I am selling an Atex PDP-11/34. The computer has:
J11 CPU, 11 MB RAM, 2
BA11-LE expansion chassis, a second backplane, an SMD disk controller and
LAN hardware.
11 MB ram on a PDP-11? Is that possible? Also, was the J11 used in the 11/34? Wasn't the
/34 all TTL?
The /34 KD11-E is a two-board set with an ALU implemented with 74181
chips. This J-11 board is definitely 3rd party and much later.
-ethan
1:59 p.m.
On 4/16/19 11:49 AM, Jon Elson via cctalk wrote:
On 04/15/2019 12:08 PM, Thomas Raguso via cctalk
wrote:
Not on any PDP-11 I ever heard of. 4Meg max (minus the IO Page).
bill
I am selling an Atex PDP-11/34. The computer has:
J11 CPU, 11 MB RAM, 2
BA11-LE expansion chassis, a second backplane, an SMD disk controller and
LAN hardware.
11 MB ram on a PDP-11?? Is that possible? 
17 Apr
17 Apr
3:44 a.m.
On Tue, 16 Apr 2019, Robert wrote:
On Tue, Apr 16, 2019 at 7:48 PM Jon Elson via cctalk
The OP first tried to sell the system on alt.sys.pdp11, then on ebay for
$6000. But it is a system full of more or less, now useless custom modules,
non-original CPU and no disk drives. See https://www.ebay.de/itm/123688125244
for pictures.
Christian
Wasn't the /34 all TTL?
I'm pretty sure that my 11/34 is. That was a large part of its appeal to me.
I should get back to it, when I have a minute...
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6 comments
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participants (7)
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bill.gunshannon＠hotmail.com -
bobsmithofd＠gmail.com -
cc＠informatik.uni-stuttgart.de -
elson＠pico-systems.com -
ethan.dicks＠gmail.com -
robert626001＠gmail.com -
tsraguso＠gmail.com