The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] writes:
I just noticed this thread today. I see there is a lot of speculation
and incorrect statements, so let me try to clarify.
First,
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
Neal Eckhardt [EMAIL PROTECTED] writes:
We also had the batch window running so long that we were missing
deadlines, and the CIO asked me to review the program
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Tom Schmidt) writes:
I've been running VM more off than on since PLC 5 and I'm certain that
the behavior that I referenced WAS in VM... at
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Phil Smith III) writes:
This entire discussion is interesting to a VMer. VM has always done
VTIME and TTIME: VTIME is the CPU time used by
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Ted MacNEIL) writes:
Most of the time, I had already told them that there was an I/O
bottleneck, tape-drive contention, scheduling, etc.
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Wertheim, Marty) writes:
The discussion on high speed buffers and internal cache misses is
right on target. I've got a set of benchmarks that
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Tom Marchant) writes:
I don't know what you mean when you say the cache line was split across
domains. I forget whether a line was 32 bytes,
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
some cache x-over discussion
http://www.garlic.com/~lynn/2008c.html#78 CPU time differences for the same job
http://www.garlic.com/~lynn/2008c.html#80 Random
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Tom Schmidt) writes:
z/VM waits with a CPU loop (so it doesn't need to come out of a wait state
when it is waiting) so it would run just as
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Paul Gilmartin) writes:
o Page faults? How are page faults handled for resumable
instructions? Is a fault generated for any page in the
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Binyamin Dissen) writes:
Well, back when I was starting SP'ing (Western Electric), slightly earlier
than your time frame, that was the job.
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
[EMAIL PROTECTED] (Anne Lynn Wheeler) writes:
the issue normally reduces to what is the threat model? security
classification tends to be associated with threat model where divulging
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Steve Comstock) writes:
WAIT! STOP! Is an AIX machine a mainframe??? I don't
think so. I know the definition is a slippery one,
but to me a
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Scott Lurndal) writes:
Locus TNC (Transparent Network Computing). Morphed into OSF1/AD, IIRC.
Unisys did a similar OS (SVR4/MK (mk for
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Henry Willard) writes:
Other than having AIX in the name and being ports based on some version of
Unix, AIX/ESA and AIX/370 didn't have much
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
Young mainframers' group gains momentum
http://www.networkworld.com/news/2008/013108-young-mainframers-group-gains.html
Young mainframers' group gains momentum
[EMAIL PROTECTED] (Stephen Mednick) writes:
it's not a case of how valuable the data is, more importantly it's to
do with what the security classification is that has been assigned to
the data. Depending on the data's security classification dictates the
media overwriting/sanitisation method
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Tom Marchant) writes:
There may have been speculation within IBM that Macrocode, and the
architecture that enabled it, was to make it easier
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Tom Marchant) writes:
It also says, 894 instructions (668 implemented entirely in hardware)
The latest POO lists about 750 instructions. I
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
Anne Lynn Wheeler [EMAIL PROTECTED] writes:
as an aside ... there was some similar speculation two decades ago about
such stuff. there was even some speculation
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
Anne Lynn Wheeler [EMAIL PROTECTED] writes:
actually such speculation dates back three decades to the introduction
of cross-memory instructions and dual-address
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
re:
http://www.garlic.com/~lynn/2008c.html#29 New Opcodes
justification is justification ... not all have to be there based on the
same justification.
as an
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Ted MacNEIL) writes:
My degree is a major in computer science with a minor in statistics.
My first job was as a capacity analyst.
My degree
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Peter Relson) writes:
You can be certain that POST will always support the CS quick-post protocol
and the LOCAL LOCK.
re:
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (David Logan) writes:
Sorry for the slightly off-topic question, but how come this persons posts
are always so complicated to work through with
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
Anne Lynn Wheeler [EMAIL PROTECTED] writes:
for another reference there was this article in ibm systems mag. 3 years
ago although some of the details
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Farley, Peter x23353) writes:
Granted, but the converse is also true: A posix-style semaphore or
queuing mechanism is way overkill for the
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Jon Brock) writes:
Here, for instance:
http://groups.google.com/group/bit.listserv.ibm-main/msg/7941aee482af5b48?
i.e. also archived here
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Paul Gilmartin) writes:
I have believed, and other updates to this thread appear to concur,
that WAIT/POST are older than CS. At some time,
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (McKown, John) writes:
Atomic is used quite a bit in computer science. Like the original
Greek, it means indivisible. That is, when an atomic
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Paul Gilmartin) writes:
This is the Principles of Operation; it is not the Assembler Services
manual. Note carefully the provided that clause.
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (David Logan) writes:
Test and set works just fine too. They are both atomic.
re:
http://www.garlic.com/~lynn/2008b.html#31 How does ATTACH
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (David Logan) writes:
While all of that is interesting, and useful in its own right, none of that
matters when a you want to perform a simple
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (David Logan) writes:
While all of that is interesting, and useful in its own right, none of that
matters when a you want to perform a simple
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Lindy Mayfield) writes:
What doesn't is that Cannatello's book has a page and a half on doing
POST, with one example of how to change the ECB
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-mai,alt.folkore.computers as well.
[EMAIL PROTECTED] (, IBM Mainframe Discussion List) writes:
Around mid-1999 EMC signed a multi-$billion contract to buy a HUGE number of
little disks from IBM
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Thomas Kern) writes:
You could save some money by running SLES10 and the linux version of
LSoft's LISTSERV product.
No z/OS or z/VM
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (, IBM Mainframe Discussion List) writes:
Around mid-1999 EMC signed a multi-$billion contract to buy a HUGE number of
little disks from IBM
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Clark Morris) writes:
Au contraire. My USB key is FBA formatted in 512 byte sectors (I
think it is one of the FAT formats available to Win 98
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Clark Morris) writes:
There obviously would have to be a co-existence period where both
architectures are supported. VSAM is already FBA as
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (McKown, John) writes:
Only z/OS is stuck on ECKD formatted DASD. z/VM and z/VSE can both run
on FBA. z/LINUX can run on FBA and/or on SAN/SCSI
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Ed Gould) writes:
You have hit it the head. We had a unit that emulated a 2305 (don't
remember which model) it worked well . except when we
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
[EMAIL PROTECTED] (Michael Stack) writes:
This appeared yesterday:
http://www.informationweek.com/news/showArticle.jhtml?articleID=205601557
Nearly 70% of middle school teachers lack
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
re:
http://www.garlic.com/~lynn/2008b.html#2 Computer Science Education: Where Are
the Software Engineers of Tomorrow?
and related new post ... also in a.f.c ... about newly published
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
[EMAIL PROTECTED] (Gary Green) writes:
I lost track of who posted the original inquiry, so take this for what it's
worth.
If the requirement is in the financial industry, could the
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Patrick O'Keefe) writes:
Since the other thread on this topic went off in a seriously OT
direction I'll comment on this thread.
That
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
[EMAIL PROTECTED] (W. Kevin Kelley) writes:
I see that I screwed up and I owe Luther an apology. It should
read ...tightest assembly language programs.. There were few problems with
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
[EMAIL PROTECTED] (Rick Fochtman) writes:
Has anyone every seen any doc on using radix partition trees? I'm
thinking it may have been one of the rainbow books.
I vaguely remember
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
[EMAIL PROTECTED] (McKown, John) writes:
But on the off chance that I'm wrong, I will ask anyway. We use
Windows as our desktop OS blech. One nice thing about it is that
when we go to
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
[EMAIL PROTECTED] (Chase, John) writes:
I *think* you could do that using digital certificates, but I've only
read that part of the RACF doc once and have not tried it (yet).
re:
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
[EMAIL PROTECTED] (Jason To) writes:
We have encountered some weird problem last week and discovered that
the total MVS CPU busy percentage reported by both RMF and TMON were
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Ben Alford) writes:
I worked with an IBM 360/65 that had one MB of IBM LCS and later 2 MB
of LCS from some other OEM when I was a student.
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Shmuel Metz , Seymour J.) writes:
No. The original design of OS/360 was that all programs were
subroutines. A program written to be called
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Lindy Mayfield) writes:
It was only a question! (-: I certainly didn't mean to upset the status
quo. ((--::
recent post from how i tried to
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Schwarz, Barry A) writes:
The Apple I went on sale in l976 so the author seems to have limited
view of what a PC is.
5100 pc was announced
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Thompson, Steve) writes:
WANG with their WANG/VS systems came up with an idea that would have met
your problem. The workstations had a button
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Ed Gould) writes:
Rick:
FYI according to [EMAIL PROTECTED] the model 85 was the 1st 360 to have
a HSB.
re:
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
[EMAIL PROTECTED] (Ed Gould) writes:
Its been at least 30 years I will yield to your memory. I just
remember it giving me a blow by blow description on the format of the
instructions
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Ed Gould) writes:
To refresh my memory was the 370 the first public machine that used
the HSB? My memory says yes but as we have seen the POPS
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Doug Fuerst) writes:
How do you figure that reverse engineering is an acceptable method of
RD or design? Reverse engineering is an easy way to
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
[EMAIL PROTECTED] (David Boyes) writes:
Put bluntly, see my other note on using CMSDDR. Getting a 1 pack VM
system up on the Flex box works MUCH better, CMSDDR understands CMS file
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (John P. Baker) writes:
The Diagnose instruction has been documented in every Principles of
Operation manual issued for the S/360 architecture
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
[EMAIL PROTECTED] (Conmackie, Mike) writes:
And the money I've paid into Social Security all my life will be
returned in my retirement with interest !
ss is pay as you go system
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
[EMAIL PROTECTED] (Phil Payne) writes:
Has anyone from the Hercules team read IBM's rather stunning admission
(on the above page - paragraph 176) that there is a confidential
version
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
[EMAIL PROTECTED] writes:
Nothing wrong with India - but selfishly, I want jobs where I am, even
though I have it better off than those who need jobs there.
Of course, in a global
[EMAIL PROTECTED] writes:
IBM created the PDS a long time ago - giving us some conveniences that
fit within its OS design.Other computer companies either did not
see this advantage or had OS structures that handled it other ways.
Do we use PDSs now because that's what we have been using
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Shmuel Metz , Seymour J.) writes:
The only operating systems that are legal to run on Hercules are Linux,
and MVS 3.8 (I think).
Shirley all
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Wayne Driscoll) writes:
Not really answering either question, but on the topic of Q2, the recent
port of Open Solaris to System z was done
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
Anne Lynn Wheeler [EMAIL PROTECTED] writes:
the x9.59 financial standard approach was then to fix the underlying
weakness, lack of strong authentication ... which also then eliminated
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Jim Mulder) writes:
But actually it did not take decades, as the original release of
MVS/XA in 1982 functionally supported 16-way SMP. Of
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
re:
http://www.garlic.com/~lynn/2007t.html#76 T3 Sues IBM To Break its Mainframe
Monopoly
http://www.garlic.com/~lynn/2007t.html#76 T3 Sues IBM To Break its
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Bob Shannon) writes:
Sure. The thousands of in-stream usermods that were written prior to
XA, and which greatly inhibited subsequent upgrades.
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
Anne Lynn Wheeler [EMAIL PROTECTED] writes:
The OCO-wars (object code only) in the early 80s were somewhat
turbulent.
re:
http://www.garlic.com/~lynn/2007u.html
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Van Dalsen, Herbie) writes:
And who came up with XA I/O? Amdahl, in order to do MDF and share
channels had to do floating I/O interrupts, and
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Van Dalsen, Herbie) writes:
And who came up with XA I/O? Amdahl, in order to do MDF and share
channels had to do floating I/O interrupts, and
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Roger Bowler) writes:
IBM worked long and hard over many years to successfully establish
S/360 and its successors as *the* standard computer
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
Anne Lynn Wheeler [EMAIL PROTECTED] writes:
some recent topic drift in thread that wandered into
run-up/justification for 360
http://www.garlic.com/~lynn
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Lindy Mayfield) writes:
I was thinking (dreaming) today about what if when I giving training for
MVS stuff and each student had their own
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Patrick O'Keefe) writes:
We've been moving towards secure data transmissions with business
partners (with testing starting in about a week)
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Timothy Sipples) writes:
In fairness, the DS6000 is physically relatively small, although I wouldn't
want to carry one by myself on my
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Paul Gilmartin) writes:
Anyone who believe that's a fundamental limitation of 3270
hardware that can't be worked around:
o Has never used
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Kopischke, David G.) writes:
From what I understand, we just use canned processes to extract
SMF, load databases and create reports. But
The following message is a courtesy copy of an article
that has been posted to alt.folklore.computers as well.
[EMAIL PROTECTED] (Paul Gilmartin) writes:
I believe Cowlishaw's book reports that Rexx was developed in the VM
and MVS environments concurrently. It flourished in the former and
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Shmuel Metz , Seymour J.) writes:
PSA is real address 0; it's absolute address 0 for at most one of the
processors in the complex. Neither
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Farley, Peter x23353) writes:
Thanks a lot for the info and the link. Most interesting. Another
important piece of computer history available
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (R.S.) writes:
Yes, I can. AFAIK z/OS version is not popular one. I know *big* ATM
installation which migrated from z/OS to NonStop. People
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Timothy Sipples) writes:
It's an interesting bit of history that the first Tandem machine wasn't
available until 1976, well after the first
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (, IBM Mainframe Discussion List) writes:
I made a mistake. A track not in the cache would take on the order of 20
milliseconds, so that
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Knutson, Sam) writes:
You should have the PTFs for z/OS APAR OA17114 installed if you are
using paged fixed buffers in DB2 V8. Not having it
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Veilleux, Jon L) writes:
In z/OS 1.8 the memory management is much more conducive to large
memory. They no longer use the least recently used
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Timothy Sipples) writes:
An awful lot of modems and serial connections had to handle 7-bit,
too, complicating the user experience for dial-up
The following message is a courtesy copy of an article
that has been posted to alt.folklore.computers as well.
[EMAIL PROTECTED] (Van Dalsen, Herbie) writes:
Someone wants to create a shared block of memory CSA/not and share it
between programs. My understanding is that a 24-bit program can
The following message is a courtesy copy of an article
that has been posted to alt.folklore.computers as well.
[EMAIL PROTECTED] (Steve Samson) writes:
As for 32-bit mode (TSS) I don't have a POPS for that architecture but
I suspect the HO bit is treated as any other. TSS did not use the
sign
The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main as well.
[EMAIL PROTECTED] (McKown, John) writes:
Just as a thought. Could somebody write a subsystem which starts at IPL
time, does the shared GETMAIN, then (here's the rub) somehow have that
[EMAIL PROTECTED] (Binyamin Dissen) writes:
Does z/VM use virtual storage?
comment in this thread asking how many times has virtual memory
been reinvented
http://www.garlic.com/~lynn/2007r.html#51 Translation of IBM Basic Assembler to
C?
some footnotes about the science center
[EMAIL PROTECTED] (Ted MacNEIL) writes:
That's why there can be a 'double paging' penalty for a LINUX (or
z/OS, or z/VM, or...).
z/VM, and its predecessors, has always had the capability to defines
more storage than is on the box.
It even has swap files.
i had other problems with the
Steve Samson [EMAIL PROTECTED] writes:
The discussion suggests that the dead zone represented an arbitrary
decision. However it is absolutely necessary to preserve compatibility
with programs dating back to OS/360. If a 24-bit or 31-bit address is
interpreted as or expanded to a 64-bit address
The following message is a courtesy copy of an article
that has been posted to
comp.sys.ibm.sys3x.misc,alt.folklore.computers,bit.listserv.ibm-main as well.
Rostyslaw J. Lewyckyj [EMAIL PROTECTED] writes:
If memory hasn't failed me, we read mark sense cards on something that
was called a 1230.
The following message is a courtesy copy of an article
that has been posted to
comp.sys.ibm.sys3x.misc,alt.folklore.computers,bit.listserv.ibm-main as well.
Anne Lynn Wheeler [EMAIL PROTECTED] writes:
3277 had quite a bit of local intelligence ... it was possible to do
some custom stuff
The following message is a courtesy copy of an article
that has been posted to
comp.sys.ibm.sys3x.misc,alt.folklore.computers,bit.listserv.ibm-main as well.
bbreynolds [EMAIL PROTECTED] writes:
This thread started about the 3277-001 used on a System/3 Model 15
(would that be a 5415?): as
801 - 900 of 1293 matches
Mail list logo
