Retrocomputing Stack Exchange
Retrocomputing Stack Exchange

Questions tagged [ibm]

For questions regarding the products of IBM, International Business Machines.

IBM (International Business Machines) is a company founded in 1911 in the USA.

A manufacturer of computers, processors and peripherals from the earliest days of electronic computing.

126 questions
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What is IBM DCF (Document Composition Facility) used for today?

I am scanning the 1986 manual of HDCF/3 (5748-XX9), the Hebrew version of IBM's Document Composition Facility (DCF). When Googling to find about the software, I see that IBM still sells this software. I am curious - what applications this software…
Hanan Cohen
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Are there alternative BIOS ROMs for the IBM 5162?

This page references a problem with the IBM 5162 BIOS where it will present an error during POST under some circumstances and that using a third-party BIOS was a workaround. What other BIOS ROMs would work with a 5162 and how would I find them…
Sydius
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How many additions per second (or, generally, instructions per second) could the IBM System370 Model 115 perform?

I can find a lot of information about that model's memory access time, but not so much about its actual computational speed. I'm interested in the number of additions per second if possible, but I'll accept clock speed or something similar if that's…
Michael Stachowsky
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In IBM SCRIPT/VS, what does DSM stand for in macros DSMFIG, DSMLIST

In (S)GML ancestor's IBM SCRIPT/VS, what does DSM stand for in macros DSMFIG, DSMLIST... ?
Greg82
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How to connect c3270 terminal with hercules emulator?

I would like to get working with IBM System/360 on the Hercules emulator. I use a mac. With macports I have installed Hercules and c3270. Through this site: Running the IBM OS/360 MVT operating system on Hercules ,I followed the instructions and…
azbc
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How to decode hexadecimal number in IBM/360 column binary format

I have a message: x2400\x1100\x2001\x1020\x2100\x0900\x2008\x2012\x0900\x1001\x2001\x1010\x2001\x0900\x0802\x0812\x1200\x2010\x0802\x1004\x0820\x1010\x2100\x2002\x1012 It's in IBM column binary format. I have read some documentation, but I can't…
Donase
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