| Have you ever seen a Mainframe |
| Yes |
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46% |
[ 95 ] |
| No |
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53% |
[ 111 ] |
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| Total Votes : 206 |
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HappySrinu
Active User
Joined: 22 Jan 2008
Posts: 87
Location: India
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I agree that it has tapes but it's a production mainframe server which I have seen in Melborune in Mainframe datacenter.
It's about 7 ft height and 4 ft width and don't know it's one of the best exp i ever got as a mainframe professional |
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References
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 Posted: Mon Mar 17, 2008 11:47 am Post subject: Re: Reply to: Have you ever seen a Mainframe? |
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Richa Jain
New User
Joined: 18 Mar 2008
Posts: 20
Location: Chennai
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Mainfram looks like a Big Black cupboard full of jumbled wires..  |
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JPeters
New User
Joined: 24 Mar 2008
Posts: 2
Location: MPLS
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| My mainframe history goes as follows. IBM 360 Model 40, IBM 370, IBM 4361, ES 9221, Multiprise 2000, MP 3000. That first 360 had 256K of memory, with an additional 256K in a standalone box next to it. We ran DOS. No spoolers, no Queues, nothing. You read in a card deck and the program would run. You had to pre-load the printer with any special forms required as when the program wrote to the printer, it wrote TO THE PRINTER. 800 FCI rated tape drives. 2314 disk drives. Card decks galore. Those were the days.... |
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enrico-sorichetti
Global Moderator
Joined: 14 Mar 2007
Posts: 1845
Location: italy
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| Quote: |
| My mainframe history goes as follows. IBM 360 Model 40 |
rich customer You had
my first one was a 360 model 25 with 16 kb of central storage
card reader
card punch
line printer
2 x 2311 disks 7 mbytes each, made for humans... 100 cylinders 10 tracks per cylinder
the card punch was a price trade off
to run sort the supervisor had to be reduced to less than 6 kbytes,
and the only way to do it was to take away the dasd supprt for sysin/syspunch
and real storage was much more expensive than a card punch...
so when cataloging the object of a subroutine
the first step was to run an assembly with object deck ( punch not spooled )
take the deck, for large assemblies better not to have the soap bar syndrome
compose a new card deck with the proper CATLR card
put the thing in the card reader
a real pain in the *** |
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enrico-sorichetti
Global Moderator
Joined: 14 Mar 2007
Posts: 1845
Location: italy
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but I bet my cpu list will beat all 
ELEA 6001 amazing decimal mainframe with
variable length instructions and variable length operands
each byte had the usual stuff + parity bit + the stop bit
the instruction address part was written in reverse order so to save space,
the unspecified digits were taken from the previous address,
the register were standard memory location,
to save the full range of register You simply had to point to a different storage location
it was built by OLIVETTI and the cobol keywords were in italian
GE 115 GE 415
7090 7094
360/25 /30 /40
370/115 /125 /138 /148 /158 /3031 /3033
4381 4391
3081 3090/200 3090/400
9021 1 model
9121 2 of hem
9221 1
9672/ a few of them - at least 4 models |
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UmeySan
Senior Member
Joined: 22 Aug 2006
Posts: 498
Location: Germany
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Just an amendment statement to PeD's experiences with all those iron pieces, and also to top them ! :-)
In the late 19sixties in Cologne, Germany, i had a frantic, light animally amusement with a sex addict blond female operator on a IBM360.
A greatl experiences !!! Just something you never forget.
360/370, 4331/4341, S/370, S3/90, i saw them come and gone.
But never had such fantastic moments again.
@PeD >>...champ bottle in a mainframe ???
Were used to store our bottles of red wine in the false floor to keep them in the right moderate temperature.
Regards, UmeySan |
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uniquesri
New User
Joined: 25 Feb 2007
Posts: 2
Location: india
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| Yeah, I have seen and worked on a Multiprise H30, S/390, z900, z9 EC and very soon my company is buying a z10.. and my team has been given the privilege of installing the z9 and the new z10 |
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shafeeqspi
New User
Joined: 01 Apr 2008
Posts: 4
Location: Mysore
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I have not seen Mainframe because I have just started to work on Mainframes Technology, hope to see it soon.. Eagerly waiting for that moment...  |
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