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Questions tagged [compatibility]

For questions regarding compatibility of retrocomputers and peripherals.

2
votes
2answers
278 views

USB ports for a 486 laptop (pccard 16bits)

I have an old laptop 486 with PhoenixBIOS which supports PC card 16bits( PCMCIA II/III). I am thinking about the possibility of adding a pccard 16bits with USB ports, mainly to read usbsticks or ...
7
votes
2answers
677 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 ...
5
votes
2answers
816 views

What changes made some Atari ST software incompatible with the Atari TT?

The Atari TT was based on the earlier ST line of computers but with a 32 MHz 68030 instead of an 8 or 16 MHz 68000. There were a number of extensions made (e.g. new video modes) and the memory ...
11
votes
5answers
2k views

Are later 68000 variants backward compatible with earlier ones?

The 68020 is an improvement over the 68000 because it includes new instructions, possibly better speeds and so on. The 68040 is an improvement over the 68020 again for the same reasons, as is the ...
9
votes
2answers
285 views

Can 6502 programs be transliterated to the SPC700?

The SPC700's instruction set is derived from the 6502's, but moves the instructions around and adds a few. But is it fully backwards compatible? Assuming that the program fully separates data and ...
13
votes
2answers
3k views

Was OS/2 a viable alternative for daily DOS and Windows tasks?

After playing a bit with the OS, a question sparked my interest: Could it entirely replace DOS and Windows ? Let's restrict the scope of this question a bit since it's fairly broad, Was it ...
10
votes
1answer
442 views

How POSIX-compliant is Xenix?

Xenix was the most popular Unix flavour of the 80's. However, it was designed before the POSIX standards came to be, and its final version was released shortly after the first POSIX specification was ...
1
vote
0answers
86 views

I need to access my portfolio from CDs burned in apple system 8.6 [closed]

Files are mostly from Adobe Illustrator and Photoshop, jpegs,tiffs,ai and pdf. When mounted on current window and Mac machines, the amount of data on CD is reported but cannot be accessed. My G3 no ...
8
votes
2answers
179 views

Pair Am386 with i387

I've got a motherboard with a Am386/DX processor. I've also got an Intel 387 coprocessor. Is it possible to use the Intel 387 that I've got together with the Am386 or do I need a coprocessor from AMD?...
17
votes
2answers
407 views

What are the common sources of incompatibility on different MSX computers?

I remember that a LOT of games for my MSX (I live in Brazil) don't work without some modification. For example, several need some kind of tweak on the loader, like poke -1,0. I would like to know ...