18 Mar
2009
18 Mar
'09
2:53 p.m.
Hello.
A member of the swedish forum called "odd hardware" on sweclocker.com
recently got som old memory that he would like to identify. One is
clearly HP, but it would be nice to know for which machine. The second
a Prime memory, and the third is a _huge_ core memory and without
any markings.
Pictures can be found here:
http://www.sweclockers.com/forum/showthread.php?s=&postid=9039862#post9…
The numbers on the HP memory are: 5060-8324 / A-1136-22 / 2304
The numbers on the Prime memory are: ART3572 REV E / PCB3573-001 REV E
So, does anyone recognize these? I've done some limited googling for the
HP board but came up short. Also, he seems willing to sell at least the
HP board.
Cheers,
Pontus.
18 Mar
18 Mar
3:03 p.m.
On Wed, Mar 18, 2009 at 7:53 AM, Pontus Pihlgren <pontus at update.uu.se> wrote:
The numbers on the HP memory are: 5060-8324 / A-1136-22 / 2304
The numbers on the Prime memory are: ART3572 REV E / PCB3573-001 REV E
So, does anyone recognize these? I've done some limited googling for the
HP board but came up short. Also, he seems willing to sell at least the
HP board.
02100-90002_2100AmaintAug72.pdf says the 5060-8324 is an 8K Core Stack
/ Sense Amplifier card for the 2100A in Table 1-3 Memroy Section Card
Part Numbers.
3:10 p.m.
The numbers on the Prime memory are: ART3572 REV E /
PCB3573-001 REV E
Everyone makes this mistake so don't feel bad, but neither of these
numbers is useful to id the Prime board. (Or at least I've never found
a table matching these tracking numbers for parts of the board design to
the actual module part number.)
The number you need is on a paper sticker on the stiffener frame next to
the latches. If you can get that number, I can probably translate for
you.
De
3:49 p.m.
According to one of my co-workers - a former Prime engineer - the Prime boards are for a
550, 50 or 750. -- Ian
________________________________________
From: cctalk-bounces at classiccmp.org [cctalk-bounces at classiccmp.org] On Behalf Of
Dennis Boone [drb at msu.edu]
Sent: Wednesday, March 18, 2009 8:10 AM
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Core memory Identification
The numbers on the Prime memory are: ART3572 REV E /
PCB3573-001 REV E
Everyone makes this mistake so don't feel bad, but neither of these
numbers is useful to id the Prime board. (Or at least I've never found
a table matching these tracking numbers for parts of the board design to
the actual module part number.)
The number you need is on a paper sticker on the stiffener frame next to
the latches. If you can get that number, I can probably translate for
you.
De
6:17 p.m.
Oops, I cut-and-pasted his typo: that's 550, 650 or 750. -- Ian
-----Original Message-----
From: cctalk-bounces at classiccmp.org [mailto:cctalk-bounces at classiccmp.org] On Behalf
Of Ian King
Sent: Wednesday, March 18, 2009 8:49 AM
To: General Discussion: On-Topic and Off-Topic Posts
Subject: RE: Core memory Identification
According to one of my co-workers - a former Prime engineer - the Prime boards are for a
550, 50 or 750. -- Ian
________________________________________
From: cctalk-bounces at classiccmp.org [cctalk-bounces at classiccmp.org] On Behalf Of
Dennis Boone [drb at msu.edu]
Sent: Wednesday, March 18, 2009 8:10 AM
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Core memory Identification
The numbers on the Prime memory are: ART3572 REV E /
PCB3573-001 REV E
Everyone makes this mistake so don't feel bad, but neither of these
numbers is useful to id the Prime board. (Or at least I've never found
a table matching these tracking numbers for parts of the board design to
the actual module part number.)
The number you need is on a paper sticker on the stiffener frame next to
the latches. If you can get that number, I can probably translate for
you.
De
6:15 p.m.
>>>> "Pontus" == Pontus Pihlgren
<pontus at Update.UU.SE> writes:
Pontus> Hello. A member of the swedish forum called "odd hardware"
Pontus> on sweclocker.com recently got som old memory that he would
Pontus> like to identify. One is clearly HP, but it would be nice to
Pontus> know for which machine. The second a Prime memory, and the
Pontus> third is a _huge_ core memory and without any markings.
Pontus> Pictures can be found here:
Pontus>
http://www.sweclockers.com/forum/showthread.php?s=&postid=9039862#post9…
Interesting! Those core memory photos would be a great addition to
Wikipedia if the photographer is willing to contribute them. For one
thing, that's actually a coincidence addressed memory, which the
current detail photo isn't. Excellent photography!
In fact, it looks like a memory with two inhibit wires rather than the
common single inhibit. This matches what CDC did in the 60-bit
mainframes (6000 series). But it isn't one of those because it has 7
groups of 8 rows, while CDC has 64 rows and colums per plane. 3584
bits per plane... very strange.
paul
8:45 p.m.
Thanks for all answers :)
Interesting! Those core memory photos would be a
great addition to
Wikipedia if the photographer is willing to contribute them. For one
thing, that's actually a coincidence addressed memory, which the
current detail photo isn't. Excellent photography!
I've asked, I'll get back with the answer :)
In fact, it looks like a memory with two inhibit wires
rather than the
common single inhibit. This matches what CDC did in the 60-bit
mainframes (6000 series). But it isn't one of those because it has 7
groups of 8 rows, while CDC has 64 rows and colums per plane. 3584
bits per plane... very strange.
If it makes more sense, the plane is double sided
so it tallies up to
7168 bits
cheers,
Pontus.
8:51 p.m.
>>>> "pontus" == pontus
<pontus at update.uu.se> writes:
> In fact, it looks like a memory with two inhibit
wires rather than
> the common single inhibit. This matches what CDC did in the
> 60-bit mainframes (6000 series). But it isn't one of those
> because it has 7 groups of 8 rows, while CDC has 64 rows and
> colums per plane. 3584 bits per plane... very strange.
pontus> If it makes more sense, the plane is double sided so it
pontus> tallies up to 7168 bits
Not a lot. I can't think of 14 bit systems. The only thing that
comes to mind is 27 bits plus parity (two planes) -- 27 bit computers
existed...
paul
22 Mar
22 Mar
9:18 p.m.
pontus> If it makes more sense, the plane is double sided so it
pontus> tallies up to 7168 bits
Not a lot. I can't think of 14 bit systems. The only thing that
comes to mind is 27 bits plus parity (two planes) -- 27 bit computers
existed...
paul
The original poster did som research and says its likely that the big
core memory is from a dutch computer called "Electrologica":
http://www.science.uva.nl/museum/X1.html
Cheers,
Pontus.
18 Mar
18 Mar
7:02 p.m.
The numbers on the Prime memory are: ART3572 REV E /
PCB3573-001 REV E
Did a little more looking at the photos. This is a 1 MB board,
configured as 512k x 22 bits (16 bits user accessible, the rest for
ECC). It may support (or _require_) interleaving memory accesses across
two boards.
Based on the chips, I think the part number for this board is probably
12512-E8 or 7615-902, rather than one of the later designs. The sticker
might say MMW1-E8.
De
5761
days inactive
5765
days old
9 comments
5 participants
participants (5)
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drb＠msu.edu -
glen.slick＠gmail.com -
IanK＠vulcan.com -
Paul_Koning＠Dell.com -
pontus＠Update.UU.SE