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如何确定关盘启动时的盘符?
在autoexec.bat加载mscdex的后面加入:
set cddrv=
findcd -e
if errorlevel 255 goto _end
if errorlevel 0 set cddrv=A
if errorlevel 1 set cddrv=B
if errorlevel 2 set cddrv=C
if errorlevel 3 set cddrv=D
if errorlevel 4 set cddrv=E
if errorlevel 5 set cddrv=F
if errorlevel 6 set cddrv=G
if errorlevel 7 set cddrv=H
if errorlevel 8 set cddrv=I
if errorlevel 9 set cddrv=J
if errorlevel 10 set cddrv=K
if errorlevel 11 set cddrv=L
if errorlevel 12 set cddrv=M
if errorlevel 13 set cddrv=N
if errorlevel 14 set cddrv=O
if errorlevel 15 set cddrv=P
if errorlevel 16 set cddrv=Q
if errorlevel 17 set cddrv=R
if errorlevel 18 set cddrv=S
if errorlevel 19 set cddrv=T
if errorlevel 20 set cddrv=U
if errorlevel 21 set cddrv=V
if errorlevel 22 set cddrv=W
if errorlevel 23 set cddrv=X
if errorlevel 24 set cddrv=Y
if errorlevel 25 set cddrv=Z
cda %cddrv% > nul
if errorlevel 1 goto quit
%cddrv%:
cd \ |
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