Re: [Freedos-user] Is it possible to have sound on SoundBlaster Live! CT4830 for PCI slot in FreeDOS?

2021-09-30 Thread Eric Auer


Hi!

> Is it possible to have sound on SoundBlaster Live!
> CT4830 for PCI slot in FreeDOS?

https://en.wikipedia.org/wiki/Sound_Blaster_Live!

This and SB PCI are effectively AC97 soundcards with a
DOS driver which traps attempts to access a classic
SoundBlaster and calculates the desired sound output:

https://en.wikipedia.org/wiki/Ensoniq_AudioPCI

You may have to use a closed source EMM386 with it,
or no EMM386 at all, and not all games may work with
the driver, but apart from that, compatibility should
not depend on whether you use FreeDOS or another DOS.

There are also a number of other PCI soundcards which
provide some degree of DOS compatibility. They tend
to have a certain amount of hardware compatibility,
but usually depend on your mainboard chipset to have
support for certain workarounds in particular for DMA
for more similarity to ISA style access.

If your game only wants Adlib / OPL3 and  can deal
with having no or limited DMA or IRQ support, those
cards are still useful in modern mainboards which do
NOT have the mentioned workarounds any more, but in
general, you probably have to make sure to use an
OLDER mainboard. Still gives you a faster computer
than using a very old mainboard with ISA SoundBlaster,
I guess, but takes more effort to get it to work.

The easiest way to get sound in DOS probably is to
run DOS in a virtual computer in another operating
system, but of course that is less "pure" :-)

Note that games always have BUILT-IN drivers, so it
does not matter which DOS you have. In some cases,
the drivers follow some standard and can be replaced
by drivers for more modern soundcards, but that is
the exception, not the rule, in particular for older
DOS games.

A list of chipsets, mainboards and sound cards:

http://www.dosdays.co.uk/topics/pci_sound_cards_in_dos.php

But again, the SB PCI / SB Live uses a different
approach, so it probably needs no DDMA mainboard.
Instead, it probably needs a compatible EMM386.

Regards, Eric



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Re: [Freedos-user] Is it possible to have sound on SoundBlaster Live! CT4830 for PCI slot in FreeDOS?

2021-09-30 Thread ZB
On Thu, Sep 30, 2021 at 10:56:41AM +0200, Karol wrote:

> Is it possible to have sound on SoundBlaster Live! CT4830 for PCI slot in
> FreeDOS?
> 
> I know there is no problem with old SoundBlaster sound cards with an ISA
> slot. But what is SoundBlaster Live! to PCI slot? Is it possible to emulate
> legacy SoundBlaster sound cards?

 https://letmegooglethat.com/?q=SoundBlaster+Live!+sound+in+DOS

-- 
regards,
Zbigniew


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Re: [Freedos-user] Is it possible to have sound on SoundBlaster Live! CT4830 for PCI slot in FreeDOS?

2021-09-30 Thread Michał Dec
Yes, it's possible. IIRC Live! was the last card to actually be binary 
compatible with legacy SoundBlaster cards if you don't mind the lack of 
ISA. But if I'm wrong somebody correct me please. Still, you should be 
able to get DOS drivers for every Creative Labs PCI card starting from 
rebranded EnSoniq cards up until and including the Audigy 2 ZS. Just try 
to be careful because all those cards require a memory manager and that 
screws up a lot of games really badly.


If you're like me and don't have an ISA slot to install a problem-free 
sound card, you might be more lucky with a Yamaha YMF724 if your 
motherboard supports DDMA. Not even gonna mention SBLink, this quirk is 
present on maybe 5 or 6 motherboards total. On top of that, you'll need 
to hex edit your ISA bridge's PCI vendor:device number into the 
supported device table of the Yamaha driver, if your southbridge is not 
supported by stock drivers.


W dniu 30.09.2021 o 10:56, Karol pisze:
Is it possible to have sound on SoundBlaster Live! CT4830 for PCI slot 
in FreeDOS?


I know there is no problem with old SoundBlaster sound cards with an 
ISA slot. But what is SoundBlaster Live! to PCI slot? Is it possible 
to emulate legacy SoundBlaster sound cards?




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[Freedos-user] Is it possible to have sound on SoundBlaster Live! CT4830 for PCI slot in FreeDOS?

2021-09-30 Thread Karol
Is it possible to have sound on SoundBlaster Live! CT4830 for PCI slot 
in FreeDOS?


I know there is no problem with old SoundBlaster sound cards with an ISA 
slot. But what is SoundBlaster Live! to PCI slot? Is it possible to 
emulate legacy SoundBlaster sound cards?




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