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Justme's user avatar
Justme
  • Member for 7 years, 3 months
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337 Answers

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70 votes

How did early green PS/2 to USB mouse adapters work?

66 votes
Accepted

Is it possible to know which lines in the Gameboy Color cartridge connection is missing by looking at the glitched Nintendo logo?

58 votes

What exactly did the "UNFORMAT" MS-DOS command do?

52 votes
Accepted

Why does MS-DOS 6.22 boot so slowly?

50 votes

Why didn't PC games eschew MS-DOS and deal with BIOS directly?

49 votes
Accepted

Was the MS-DOS window in Windows 95 an emulator like current DOSBox?

49 votes

CD with physical hole is perfectly readable - how?

46 votes
Accepted

Why did programmers keep using EMS when XMS became commonly available?

46 votes

Why can't I invoke the next interrupt service by incrementing the AX register after calling the same interrupt?

43 votes
Accepted

What is the purpose of mirrored memory regions in NES's CPU memory map?

43 votes
Accepted

Why did Nintendo 64 (1996) memory cards require a battery inside them to retain data whereas the PlayStation (1994) ones did not?

43 votes
Accepted

High-capacity floppy drives from the early 2000s, what were they?

40 votes
Accepted

Did MS-DOS have any support for multithreading?

40 votes
Accepted

What is the Commodore 64C "France version" and why does it need a beefy resistor?

40 votes

Why did some video games apparently use "interlaced" video modes?

39 votes

Did DOS on the early, slow machines ever fail to handle interrupts timely, and what happened if it did?

38 votes

Where does the trouble older CD drives have reading newer burned discs come from?

38 votes
Accepted

What is happening in this algorithm scaling an 8-bit 0-99 value to full-range 16-bit?

33 votes
Accepted

When did the Linux kernel become libre software?

33 votes

How did people get apps on their computer before the Internet?

31 votes
Accepted

What is the serial protocol commonly used over RS-232 (among other links) and where did it come from?

31 votes
Accepted

Why does the 68000 have Immediate addressing modes for byte-width instructions?

29 votes
Accepted

Why did 1990s-2000s LCD all use 60 Hz refresh?

28 votes
Accepted

How does Laplink achieve "high speeds" on standard/legacy serial ports?

28 votes
Accepted

What are the screws for on the UltraSPARC?

27 votes

Why weren't bootable game disks ever common on the IBM PC?

26 votes
Accepted

When did the Altair move ROM to the top of memory?

26 votes

Why did old IBM-PC-compatible computers only have 16 colors available?

26 votes

How did an old mouse detect if it was connected to PS/2 or USB port?

26 votes

Why were those colors chosen to be the default palette for 256-color VGA?

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