[inforoots] Origin of the IBM 1130 Name

Mon Oct 30 13:43:23 PST 2006

Compared to the 1620, the 1130 was wonderful, at least that is I was told.

Herb Schwetman

Barrie Robinson wrote:

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> IBM made something wonderful ??
>
>
> At 10:59 AM 10/30/2006, Herb Schwetman wrote:
>
>> =======================================
>>
>> Posts to inforoots at computerhistory.org is information known to or the 
>> opinions of the poster.  All posts to inforoots at computerhistory.org 
>> are archived.  By posting to this list you grant a license for use of 
>> this material to the Computer History Museum located in Mountain 
>> View, California, USA.
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>> =======================================
>>
>> As was pointed out in the comment below,  the 1130 was a replacement 
>> for the 1620 - and a wonderful replacement it was.
>> IBM introduced the 1800 around 1966; it had a new CPU and was geared 
>> to process-control/real-time applications .  A bit later,
>> they introduced the 1130, which was the 1800 cpu, but packaged as a 
>> desk and geared for departments - with Fortran, etc.  They both had
>> funky disk cartridges - about 18 inches in diameter.  I took a class 
>> on the 1130 and later wrote some code that ran on an 1800
>> it attempted to analyze electrocardiograms.
>>
>> But, these comments do not address the question about the source of 
>> the numbers: 1800 and 1130.  As far as I could tell, they appeared
>> "out of the blue".
>>
>> Herb Schwetman
>>
>> Bill Worthington wrote:
>>
>>>
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>>>list you grant a license for use of this material to the Computer History
>>>Museum located in Mountain View, California, USA. 
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>>>
>>> Hi, Bill.
>>>
>>> My five cents...
>>>
>>> I'm not sure what the logic was in selecting machine numbers back in 
>>> the 1960s.  There did see to be some order to it however.  I believe 
>>> that they were all assigned by the product marketing folks in White 
>>> Plains.  Development had their own names for unannounced machines 
>>> like NS, FS, Shark, etc.  (This was good because some of them never 
>>> saw the light of day.)
>>>
>>> I seem to remember hearing that the 70xy machines were the 
>>> "high-powered" machines.  Those numbered with the odd numbers (701, 
>>> 7030, 7070, 7090) representing the more scientific (academic) 
>>> marketplace and the even numbers were perhaps more business related 
>>> (7040, 7080).  The last digit changed when there were improvements 
>>> with the same processor -- 7044, 7072, 7094, etc.  (This falls apart 
>>> slightly when I remember the bank I worked for planned to install a 
>>> 7070 to do commercial banking applications.)
>>>
>>> Machine numbers beginning with a 1 were priced lower and had much 
>>> smaller processing power.  Included here were the 
>>> 1401/1440/1460/1240 and 1620/1710.  In the mid 1060s, the 1800 and 
>>> 1130 were introduced using some of System/360 technology.  The 1130 
>>> was to address the 1620 marketplace and the 1800 the 1710.  (There 
>>> were a lot of communications devices in the 10xx number range too -- 
>>> 1050, 1060 families come to mind.) 
>>>
>>> System/360 came along and most of its machine numbers were in the 
>>> 2000 range.  Processors began with 20xx, disk with 23xx, tape with 
>>> 24xx, card I/O with 25xx, remote I/O with 27xx, control units with 
>>> 28xx.  (29xx was reserved for RPQ devices which became a bit more 
>>> main line.)  System/370 used the 3000 range of numbers.
>>>
>>> Things went a bit wild in the late 1970s when the 8100 and 4300 were 
>>> announced.  There are a lot in the 9000 range today -- which had 
>>> been reserved for RPQ devices.
>>>
>>> I believe that there is a problem today with some machine numbers 
>>> being recycled -- as some of the "printer company" devices show.
>>>
>>> But to answer your question why "1130" was chosen, I have no idea 
>>> why that set of numbers was selected.  Hopefully, someone else may 
>>> have better insight.
>>>
>>>Regards,
>>>Bill
>>>
>>>
>>>
>>> Bill Selmeier wrote:
>>>
>>>> =======================================
>>>>
>>>> Posts to inforoots at computerhistory.org 
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>>>> inforoots at computerhistory.org 
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>>>> =======================================
>>>> With the upcoming IBM1130.org annual party coming up, I'm curious 
>>>> as to how this machine got its name?
>>>>
>>>> ************************************************************************ 
>>>>
>>>> Bill Selmeier        voice  (408)655-3400
>>>> 4441 Six Forks Road     Suite 106-136           Raleigh, NC 27609
>>>> Internet Developer    http://www.inetdevgrp.org      
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> Regards
> Barrie
>
> Barrie Robinson
> (705) 721-9060
> http://www.britishv8.org/MG/BarrieRobinson.htm
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