DIR command results in garbled characters on SCSI drive due to drive buffering.
Cause:
This problem occurs when the hard disk is a SCSI drive that requires double buffering and the command DEVICE=C:\DOS\EMM386.EXE NOEMS X=D800 -DFFF is in CONFIG.SYS.
Solution:
Add the line 'doublebuffer=1' to the MSDOS.SYS file, and restart the computer.
1) Click the 'Start' button to display the 'Start' menu.
2) Select 'Programs' and select 'MS-DOS Prompt'. (The 'MS-DOS Prompt' window appears.)
3) Type the following at the DOS prompt, and press ENTER after each command:
CD\
ATTRIB -S -H -R C:\MSDOS.SYS
EDIT MSDOS.SYS
4) Add the following line to the '[Options] section:
doublebuffer=1
5) Select the 'File' menu and select 'Save'.
6) Select the 'File' menu and select 'Exit'.
7) Type the following at the DOS prompt, and press ENTER:
ATTRIB +S +H +R C:\MSDOS.SYS
8) Type the following at the DOS prompt, and press ENTER:
EXIT
9) Restart Windows 95.
10) If the problem persists, do the following:
a) Click the 'Start' button to display the 'Start' menu.
b) Select 'Programs' and select 'MS-DOS Prompt'. (The 'MS-DOS Prompt' window appears.)
c) Type the following at the DOS prompt, and press ENTER after each command:
CD ATTRIB -S -H -R C:\MSDOS.SYS
EDIT MSDOS.SYS
d) In the '[Options] section, modify the line 'doublebuffer=1' to be the following:
doublebuffer=2
e) Select the 'File' menu and select 'Save'.
f) Select the 'File' menu and select 'Exit'.
g) Type the following at the DOS prompt and press ENTER:
ATTRIB +S +H +R C:\MSDOS.SYS
h) Type the following at the DOS prompt and press ENTER:
EXIT
i) Restart Windows 95.