User Borg Drone

9 votes

Is MDA based on the Datamaster video subsystem?

answered Jun 29 at 14:30

6 votes

Accepted

What is the operating frequency of the 8085 in the System/23 Datamaster computer?

answered Sep 11, 2024 at 10:49

5 votes

Is there any text editor for MSX-DOS v1?

answered Mar 26 at 9:55

5 votes

Accepted

Intel 8275 CRTC not generating interrupts. Any way out?

answered Apr 9 at 7:14

4 votes

What was the purpose of the “key” pin of the P8 connector of the IBM PC PSU, and why was it changed to +5V with the AT?

answered May 6, 2024 at 8:59

4 votes

Maximum size of 8-bit computer cartridges

answered Dec 8, 2022 at 1:31

4 votes

Accepted

Is there any collection of IBM product announcement and retirement notices? I need them to detail the chronology of the System/23

answered Aug 5 at 6:12

3 votes

Why did it take so long before computers could turn themselves off?

answered Dec 7, 2022 at 14:50

3 votes

Why did the Vic-20 need special chips for I/O?

answered Dec 7, 2022 at 15:32

3 votes

Why do old computers (PCs) perform a long memory test on every boot?

answered May 6, 2024 at 9:27

3 votes

Do any FAT8 filesystem images survive?

answered Mar 22 at 22:30

2 votes

Did the IBM PC use the 8088's NMI line?

answered Mar 25 at 8:23

2 votes

Why didn't CPUs multiplex address pins like DRAM?

answered Mar 25 at 8:31

2 votes

What is this Terminal (or Micro)

answered May 7, 2024 at 7:45

2 votes

Amstrad CPC 6128 - Key cap spring missing

answered Feb 1, 2022 at 12:54

2 votes

Has there ever been a pressed optical disc containing a computer virus?

answered Jan 29, 2023 at 11:07

1 vote

Why was there a need for separate I/O address space in addition to a memory address space already?

answered Dec 7, 2022 at 11:02

1 vote

What made some 8-bit BASIC interpreters especially slow?

answered Dec 7, 2022 at 13:31

1 vote

How did early computers handle mice?

answered Dec 8, 2022 at 11:02

0 votes

Were CD-ROM-based games able to "hide" audio tracks inside the "data track"?

answered Dec 7, 2022 at 17:00

0 votes

ZX Spectrum PAL Composite Video to North American Monitor

answered Feb 2, 2022 at 11:13

Stack Exchange Network

21 Answers

Is MDA based on the Datamaster video subsystem?

What is the operating frequency of the 8085 in the System/23 Datamaster computer?

Is there any text editor for MSX-DOS v1?

Intel 8275 CRTC not generating interrupts. Any way out?

What was the purpose of the “key” pin of the P8 connector of the IBM PC PSU, and why was it changed to +5V with the AT?

Maximum size of 8-bit computer cartridges

Is there any collection of IBM product announcement and retirement notices? I need them to detail the chronology of the System/23

Why did it take so long before computers could turn themselves off?

Why did the Vic-20 need special chips for I/O?

Why do old computers (PCs) perform a long memory test on every boot?

Do any FAT8 filesystem images survive?

Did the IBM PC use the 8088's NMI line?

Why didn't CPUs multiplex address pins like DRAM?

What is this Terminal (or Micro)

Amstrad CPC 6128 - Key cap spring missing

Has there ever been a pressed optical disc containing a computer virus?

Why was there a need for separate I/O address space in addition to a memory address space already?

What made some 8-bit BASIC interpreters especially slow?

How did early computers handle mice?

Were CD-ROM-based games able to "hide" audio tracks inside the "data track"?

ZX Spectrum PAL Composite Video to North American Monitor