On 27/01/26 at 16:37, the via Freedos-user wrote:
3. Check for the "JEMMEX" Conflict
FreeDOS often loads a memory manager called JEMMEX. Sometimes this
blocks sound card communication. If you still have silence:
* Open FDCONFIG.SYS.
* Find the line starting with DEVICE=JEMMEX.EXE.
* Try adding NOEMS or SB to the end of it:
DEVICE=C:\FREEDOS\BIN\JEMMEX.EXE NOEMS SB
Thanks you very much for your detailed reply, but one step at a time,
the game requires EMM memory in order to work, sadly JEMMEX.EXE doesn't
provide upper memory, here my fdconfig.sys:
---
SET DOSDIR=C:\FreeDOS
!COUNTRY=001,850,C:\FreeDOS\BIN\COUNTRY.SYS
LASTDRIVE=Z
BUFFERS=40
FILES=99
STACKS=9,256
!MENUCOLOR=7,0
MENUDEFAULT=1,5
MENU 1 - Load FreeDOS with JEMM386 (no EMS, max RAM free)
MENU 2 - Load FreeDOS with JEMM386 (Expanded Memory)
MENU 3 - Load FreeDOS low with some drivers (Safe Mode)
MENU 4 - Load FreeDOS without drivers (Emergency Mode)
12?DOS=HIGH
12?DOS=UMB
12?DOSDATA=UMB
123?DEVICE=C:\FreeDOS\BIN\HIMEMX.EXE
1?DEVICE=C:\FreeDOS\BIN\JEMM386.EXE NOEMS X=TEST I=TEST I=B000-B7FF
NOVME NOINVLPG
REM 2?DEVICE=C:\FreeDOS\BIN\JEMM386.EXE X=TEST I=TEST I=B000-B7FF NOVME
NOINVLPG
2?DEVICE=C:\FreeDOS\BIN\JEMMEX.EXE VME SB
REM 12?DEVICEHIGH=C:\FreeDOS\BIN\LOGGER.COM COLOR 256 XMS MONO 128 XMS
MONO 32 UMB
34?SHELL=C:\FreeDOS\BIN\COMMAND.COM C:\FreeDOS\BIN /E:1024 /P=C:\FDAUTO.BAT
12?SHELLHIGH=C:\FreeDOS\BIN\COMMAND.COM C:\FreeDOS\BIN /E:1024
/P=C:\FDAUTO.BAT
---
what's wrong with this JEMMEX.EXE configuration?
--
Franco Martelli
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