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WDe and GPT, booting DOS (Users)

posted by Richard, 03.01.2023, 03:51

> > This is a guess only, but 128 sectors per cluster might be something
> that
> > MS-DOS 7.1 is unable to digest.
> In my experience, MS-DOS 7.1 handles 64 kib clusters just fine. 128 sectors
> / cluster is possible and works perfectly well, even for FAT32 drives.
> (This option allows one to format and use FAT16 drives up to 4 GiB in DOS).



Question - Does booting on a 128 sectors/cluster FAT32 partition with MS-DOS 7.1 work for you?


I can use FAT32 700 GB partition for data/files - but I cannot boot from same (using the auto-installed MS-DOS 7.1 from CD).



[image]





Also, just for fun, I edited the auto-installed files - changes shown in bold. The edits were only to REM out the original LH and CALL lines.


AUTOEXEC.BAT

@ECHO OFF
PROMPT $P$G
SET DIRCMD=/4
MODE CON RATE=32 DELAY=1
REM MODE CON CP PREPARE=((437)EGA.CPI)
REM MODE CON CP SELECT=437
REM KEYB US,,KEYBOARD.SYS
REM
rem LH KILLER
rem LH DOSKEY
rem LH DOSLFN /Z:C:\DOS71\CP437UNI.TBL
rem LH MSCDEX /D:IDE-CD
rem LH SHARE /L:30
rem LH NLSFUNC
rem LH SMARTDRV
REM
LH CTMOUSE
REM For compatiblity purpose:
LH CTMOUSE > NUL
ECHO.
REM For locking volumes to enable "direct disk access":
rem CALL LOCKDRV.BAT
rem
BREAK ON
LFNFOR ON
ECHO Now you are in MS-DOS 7.10 prompt. Type 'HELP' for help.
ECHO.
PATH=C:\DOS71;..;;C:\DOS71\norton




CONFIG.SYS (no changes)

DEVICE=C:\DOS71\ECHO.SYS W/e/l/c/o/m/e /t/o MS-DOS 7.10...
DEVICE=C:\DOS71\ECHO.SYS C/o/p/y/r/i/g/h/t M/i/c/r/o/s/o/f/t C/o/r/p. A/l/l /r/i/g/h/t/s /r/e/s/e/r/v/e/d.
DEVICE=C:\DOS71\HIMEM.SYS
DEVICE=C:\DOS71\EMM386.EXE NOEMS
DEVICEHIGH=C:\DOS71\SETVER.EXE
DEVICEHIGH=C:\DOS71\POWER.EXE
DEVICEHIGH=C:\DOS71\VIDE-CDD.SYS /D:IDE-CD
REM DEVICEHIGH=C:\DOS71\DISPLAY.SYS CON=(,,1)
COUNTRY=001,437,C:\DOS71\COUNTRY.SYS
SHELL=COMMAND.COM /P /E:640
DOS=HIGH,UMB,AUTO
FCBS=4,0
FILES=30
BUFFERS=20,0
LASTDRIVE=26
STACKS=9,256
SET PATH=C:\DOS71;..;



The above changes to AUTOEXEC.BAT/CONFIG.SYS does not give me a bootable partition either - just only a normal data partition (so can-do DIR for instance).



Anything else I can try before I try the following?

1. wipe partition and MANUALLY install minimal stuff (io.sys, command.com, ...) and set partition to active.

2. What Japheth did (including no SMARTDRV).

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