I will be out of the office starting 10/09/2006 and will not return until
10/16/2006.
I will respond to your message when I return.
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Yeah, but 3090 memory was not ferrite core, was it? IIRC, it was much cheaper
and more reliable. I wasn't privy to the bean-counting specifics, but the
rumored cost of the LCS storage on our 360 class machines was in the
neighborhood or $2.5-3M per 2MB unit. And they were real core - you could
Yes, that's certainly true, Richard. The 3090 memory was solid state of
some type. I mentioned it because it was the only reliable number for
cost that I could fine.
Have a good one.
DJ
Schuh, Richard wrote:
Yeah, but 3090 memory was not ferrite core, was it? IIRC, it was much
cheaper and
The number I remember, but, if pressed, I wouldn't know all the
specifics on what it ment was...
IBM 370/168 $1,000,000 per MB.
We had a 4 MB 168 which cost us a cool $6 million dollars. But I think
that $6 Million was without a DAT box as the box was field upgraded
later to support virtual
As I recall, the main memory was 512K. Additional memory was $1M per MB. Wasn't
the 8-series delivered with the DAT. The non-DAT boxes were 5s (145, 155, 165).
When they were upgraded to DAT, they became 7s.
Regards,
Richard Schuh
-Original Message-
From: The IBM z/VM Operating
Yep, it was an IBM 370-165 that was field upgraded to a 370-168 by
including a DAT box. I never heard of them being a 7s, like a 167.
But I do recall there was a distinction between a factory delivered 168
and a field upgraded 168. But the labeling on top of the light display,
said IBM 370-168.
No, I *think* that the upgraded 155 or 165 would have been a 155-2 or
155-II. The 158 or 168 designation would have been ordered as a 158 or
168. I agree that there were no 157's or 167's.
Jim
Tom Duerbusch wrote:
Yep, it was an IBM 370-165 that was field upgraded to a 370-168 by
I believe the 370/155 and 370/165 had core memory,
and later in their
lives DAT was available as an RPQ or a field upgrade
on those processors.
I think the 370/168 and certainly the 370/158 came
with DAT and solid state
memory on the base model.
I recall the memory unit for the 370/165 having
On: Mon, Oct 09, 2006 at 01:40:36PM -0500,Tom Duerbusch Wrote:
} Yep, it was an IBM 370-165 that was field upgraded to a 370-168 by
} including a DAT box. I never heard of them being a 7s, like a 167.
} But I do recall there was a distinction between a factory delivered 168
} and a field
Now that you mention it, the upgrades did get the 1x5-2 designation. However,
there are a few references to 360/1x7s that you can find with Google.
Some IBM historian can no doubt straighten us out.
Regards,
Richard Schuh
-Original Message-
From: The IBM z/VM Operating System
I always thought the converted ones became 8's. 148, 158, 168
-Original Message-
From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED]
Behalf Of Rich Greenberg
Sent: Monday, October 09, 2006 3:47 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: Real core
On: Mon, Oct 09, 2006 at
Alan Altmark [EMAIL PROTECTED] or his evil twin wrote:
snip
Software: 87% profit on 17% of total revenue
Hardware: 35% profit on 27% of total revenue
Sevices: 52% profit on 26% of total revenue
Now we know why IBM stock is in trouble: they're only doing 70% of revenue each
year!
...phsiii
Schuh, Richard [EMAIL PROTECTED] wrote:
In other references, I think that it is deprecated instead of
depreciated. To disapprove is somewhat different than to reduce in
value or esteem. In regard to Phil's reference to SI, I think they
carefully specify that their definitions apply only to the
We had an upgraded 165 at Safeway. It was called a 165-II not 165-2 or 16
8. See, for example,
http://www-03.ibm.com/ibm/history/exhibits/mainframe/mainframe_FS370B.ht
ml or many
other IBM pages.
On Mon, 9 Oct 2006 15:44:10 -0500, Fred Hoffman [EMAIL PROTECTED] wrote:
I always thought the
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