Hi Lukas, thanks for testing!

> Hi, the current status for FreeDOS 1.3 RC4:
> A) cannot install from CD on 486 due to low cache or low memory

How much memory does your 486 have? Can it boot from CD?

> solution is to install on Pentium, then put the drive in 486
> 
> B) FDNET has been removed, for networking download FDNET from FreeDOS 1.2
> if you need

Then we should include FDNET again, if possible. This might
depend on licenses for individual drivers, BUT as suggested
earlier, we could include a PCISLEEP based shell script to
tell you where to download the driver for your specific
network controller in cases where we cannot include it :-)

> C) CDAudio is working, but you have to install proper Sound Blaster
> drivers and also open the mixer to unmute CD Audio (set volume)

It is normal for DOS compatible soundcards that they are
bundled with the appropriate drivers, but we cannot usually
distribute those proprietary drivers ourselves. Which model?

> *I NEED HELP WITH THIS:*
> *1)* If game has problem with DOS4GW.EXE, just replace it by DOS32A.EXE
> from C:\FDOS\BIN (copy and rename to DOS4GW.EXE in game's directory =>
> sometime can even speed up the game)

While this is a trick which has been used before, I would
not suggest to make it the default. Instead, we should
advertise the trick, so users can decide themselves :-)

Which problems occur with which games, specifically?

> *2)* Most of CD games will report CD is missing and are unable
> to start ==> this is important => how to fix it? Use MSCDEX?

Please be more specific. Which CD games? What type of CD drive
are you using? Which drivers do you load? I recommend that you
load the following:

1. UHDD
2. UDVD2
3. SHSUCDX

This gives you a disk cache and fast, cached CD/DVD/BD access
for ISO9660 media. SHSUCDX is our alternative to MSCDEX. You
can even use SHSUCDHD to open ISO image files and pretend that
they would be a CD. If your controller is not IDE, ATAPI or
classic SATA, you can replace UDVD2 by AHCICD from R. Loew:

https://rloewelectronics.com/distribute/AHCICD/1.1/ for AHCI
which is a non-backwards-compatible SATA mode. Sometimes, you
can also use BIOS settings to switch to a non-AHCI SATA mode.

> *3)* A lot of games will crash because of JEMM386 exception ==> how to fix?
> Use MS-DOS 6.22 or Windows 98 MS-DOS 7.1 EMM386? What do you think? Can you
> please help what to copy from DOS 7.1 or DOS 6.22? I have original discs.

A far easier solution should be to not load JEMM386 unless
you really need UMB or EMS :-) Also, you have the choice
between JEMMEX and JEMM386, does one of them work better
than the other? What EXACTLY is the way in which which
game crashes? If you have a SB PCI or SB LIVE or similar
PCI soundcard, you may need special command line options
for JEMMEX or JEMM386 to enable compatibility mode with
the special protected mode use of their PCI sound drivers.

To answer your other question: You would simply copy the
EMM386 EXE file from MS, but this driver is very outdated
so it could actually work worse than our newer driver ;-)
> Can 100% MS-DOS gaming compatibility be made by copying
> some files from MS-DOS?

You really have to tell us FAR more details about which
games fail in which way and which drivers you have loaded
and which hardware you have. Unless you have a classic
ISA Sound Blaster of some sort, you can expect that the
sound will be the main problem for your games. This does
not depend on the brand of DOS, however, so using MS DOS
will not help Commander Keen to use your HDA sound either.

> Some example of working FDCONFIG.SYS and FDAUTO.BAT with
> these files would be very nice!

I suggest the other way round: Tell us what is in your
fdconfig and fdauto (or just use config.sys and autoexec
bat! Only if you have both, FreeDOS prefers the FD ones,
to be more exact, it prefers fdconfig and then uses the
autoexec mentioned in the shell line) and tell us which
hardware and games you try to run, with which errors. I
can then tell you what you could change in your config.

That would be better than blindly recommending you some
complete config. After all, most things already work with
the config which you have adjusted to your own situation.

Regards, Eric



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