Questions tagged [clone]
A clone is a device based on one companies design, by a second party.
16 questions
12 votes
0 answers
314 views
Do any technical details of Amdahl's Aspen survive?
Aspen was Amdahl's project to build their own clone of IBM's MVS mainframe operating system. Amdahl cancelled the project at some point in the 1980s (1987?). It was never formally released, but (...
- 3,978
13 votes
3 answers
3k views
What is the technical definition of "clone" that makes the K1810VM88 (К1810ВМ88) not a clone of the 8088?
The Clueless Engineer YouTube channel posted a video yesterday exploring a Soviet K1810VM88 CPU he got from Ukraine. Apparently he originally used the wording in the video title that the K1810VM88 was ...
- 8,214
7 votes
6 answers
3k views
When was the end of the floppy-only IBM PC clone?
Can we pinpoint in what year the number of IBM-compatible PCs (whether original IBM machines or clones) sold without a hard disk drive became so negligible that almost all new commercial software, ...
- 1,128
3 votes
0 answers
278 views
Were the Apple II patents, obstacles to cloning?
The Apple II was a simple design relative to its retail price, so attractive to cloners. This naturally led to many lawsuits, at least one of which actually established new copyright law. https://en....
- 65.3k
9 votes
1 answer
988 views
Large number of Famiclones
I was looking the other day some NES clone footage, and I was surprised to find out that there is a ton of them. I am wondering, how could they be so many since Nintendo did not use standard off the ...
- 193
8 votes
2 answers
5k views
Build a hardware clone or emulator of Apple II?
These days we are constantly seeing low-cost boards that have huge power (raspberry pi, various arduino-like microcontrollers.) I am hoping I could make, or get, a clone or emulation of an Apple II ...
- 181
10 votes
2 answers
2k views
How compatible is the Leningrad clone with the "original" ZX Spectrum?
In Leningrad they developed a clone of the ZX Spectrum, replacing the ULA by some TTL logic. Some of my speculations: In the USSR, the analog TV sets used SECAM, not PAL, so I imagine that the timings ...
- 41.2k
17 votes
3 answers
4k views
Who were the first engineers to "clean-room" the IBM PC BIOS?
In the first season of the AMC show Halt & Catch Fire, the protagonist "Cameron Howe" is introduced. In the show, Cameron is a rookie engineer who is recruited for being extraordinarily ...
- 62.1k