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Type: Posts; User: Svenska

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  1. The generic drivers tend to work well for...

    The generic drivers tend to work well for hardware older than the Windows version, which incidentally tends to be less advanced (such as not being 3D-accelerated in the first place). For me, graphics...
  2. There are two sides to that. While vendor drivers...

    There are two sides to that. While vendor drivers may increase performance substantially, they can also reduce system stability immensely. If the generic drivers are sufficient (basically, if the...
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    I was thinking about my Philips :YES. Its video...

    I was thinking about my Philips :YES. Its video hardware is about as capable as CGA, but completely incompatible (there is no dedicated VRAM; the BIOS reduces conventional memory by 57 KB if a...
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    How hard is it to write a graphics driver for...

    How hard is it to write a graphics driver for Windows 1.x or 2.x?
    Is there any decent documentation around on how this would be done, or was that OEM-only?

    edit: Phrased in a different way... how...
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    That's not what I meant... I was wondering how...

    That's not what I meant... I was wondering how expensive it would be to emulate the instruction decoder plus some instructions instead of using single-stepping to implement 80186 instructions. In...
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    I never really had stability issues with Windows...

    I never really had stability issues with Windows 95 as long as I kept to the drivers originally supplied with it - basically, any hardware older than the OS itself. As soon as non-trivial vendor...
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    Hmm, what about emulating the CPU, then? The main...

    Hmm, what about emulating the CPU, then? The main instruction loop can be made rather short (read opcode, read 3-4 pointers from corresponding table entry, jump four times in total) and most...
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    Or battery-backed memory in some controllers, so...

    Or battery-backed memory in some controllers, so they could prevent data loss by writing pending data after power was back.
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    You might want to take a look at the avr-libc...

    You might want to take a look at the avr-libc implementation, which is available here: http://svn.savannah.gnu.org/viewvc/avr-libc/trunk/avr-libc/libm/fplib/. It is definitely optimized for size (and...
  10. Exactly, using vendor-specific ATA commands....

    Exactly, using vendor-specific ATA commands. Basically, instructing the firmware to behave differently. Often, the firmware itself is stored in the data flash, which is why these devices can be...
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    Keep in mind that the amount of cacheable memory...

    Keep in mind that the amount of cacheable memory might be limited.

    In the Windows 95/98 era, there were quite many system with limited tag memory, so that only a limited amount of main memory...
  12. Thread: Score!!!

    by Svenska
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    Having the DOS machine export a disk as NBD over...

    Having the DOS machine export a disk as NBD over TCP/IP might be the easiest way to implement. But keep in mind that the DOS machine must not access its own disk while the connection is active...
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    My main computers have not had true parallel...

    My main computers have not had true parallel ports for many years now. As far as I know, USB printer adapters do not work well for LapLink uses, and the software itself doesn't run on my main...
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    That is a bad sign. I wouldn't get my hopes up...

    That is a bad sign.

    I wouldn't get my hopes up on this one. Wireless cards for PCMCIA are extremely rare and generally cannot support WPA at all (independent of the drivers). What you have is...
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    In my Highscreen notebook, that is exactly the...

    In my Highscreen notebook, that is exactly the case. Unfortunately, a CF card doesn't work in it (the system simply does not turn on when the adapter is connected).

    You can easily test alignment...
  16. Well, it says DP8390CN, which (or a compatible...

    Well, it says DP8390CN, which (or a compatible implementation) is the heart of any NE2000-compatible network card.

    This chip only contains the MAC part of the ethernet device. The remaining logic...
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    Okay, thanks for the clarification. Must be...

    Okay, thanks for the clarification. Must be lucky, then. :-)
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    Keep in mind that any 80487 contains a full-blown...

    Keep in mind that any 80487 contains a full-blown 80486; the 80487 will disable an existing 80486 (hence the different pinout) and take over completely. There is no point in having both processors...
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    I own three PCMCIA network cards (two NE2000...

    I own three PCMCIA network cards (two NE2000 clones and a 3C589). All use the same connector between card and ethernet. Neither works with the wrong adapter.

    What about using a different floppy...
  20. Are you sure that the drive itself works? I've...

    Are you sure that the drive itself works?

    I've never had issues with onboard IDE channels (they might not work fast, but they work). Apart from that, the OAK driver tends to be very compatible -...
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    This may be a stupid question... but isn't parity...

    This may be a stupid question... but isn't parity support a common feature on 30pin SIMMs? All modules I have here contain a parity chip, and I remember that some of the ones back in my stash have,...
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    For a typical NE2000 card, which you seem to...

    For a typical NE2000 card, which you seem to have, the most common settings use an I/O base of 0x300 and IRQ 3 (XT-class) or IRQ 10 (AT-class). Packet Drivers are the drivers of choice for DOS.
  23. I have not tested with PLIP, but I did setup a...

    I have not tested with PLIP, but I did setup a SLIP environment not too long ago. The required userspace utilities are definitely not installed by default anymore, but after that... the kernel...
  24. For PLIP, there is the "plipbox" project...

    For PLIP, there is the "plipbox" project (http://lallafa.de/blog/amiga-projects/plipbox/).
    Otherwise, there are parallel network adapters as well.
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    It is quite simple actually. The required...

    It is quite simple actually.

    The required number of bits depends on the processor chipset:
    - 80286, 80386SX: 16 bit wide memory bus
    - 80386DX, 80486, Pentium Overdrive: 32 bit wide memory bus
    -...
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