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6 votes
0 answers
243 views

Why does the DR-DOS kernel file contain the word COMPAQCompatible near the beginning of the file?

10 votes
3 answers
671 views

How do I restore interrupt vectors to BIOS defaults in a DOS program?

14 votes
5 answers
2k views

Why was BCPL’s “!” (exclamation mark) operator split into “*…” (asterisk) and “…[…]” (square brackets) in C?

6 votes
1 answer
629 views

What's the point of the "diskette ID" on Commodore diskettes?

10 votes
2 answers
4k views

How to determine BIOS-provided (INT 13h) hard disk geometry, and how to fix the MBR partition table to agree with it?

24 votes
1 answer
2k views

Where was the Willowsoft Overture File System (OFS1) used?

70 votes
1 answer
13k views

Why didn't Windows 98 need the "Starting Windows 98..." screen?

36 votes
2 answers
15k views

Was Windows 1.0's lack of overlapping windows a legal or a technical matter?

3 votes
0 answers
298 views

Game Boy game shows blank screen when powered on

21 votes
2 answers
4k views

A shortage of floppies happened at the end of 80's or the beginning of 90's, for a few months... For what reason?

6 votes
3 answers
426 views

Vertical spacing with interactive Fortran IV program on a teletype

27 votes
5 answers
7k views

Origin of the rule that swap size should be 2x of the physical memory

13 votes
1 answer
3k views

What environments and use cases were there for native support of 128-bit floating point?

7 votes
1 answer
474 views

Compatibility of 48 TPI versus 96 TPI soft sectored double-sided double-density 5.25" diskettes with Commodore floppy drives

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