The message “BPCDDRV.SYS Error: Bad or missing argument in
CONFIG.SYS” appears when the computer starts.
In the CONFIG.SYS line where BPCDDRV.SYS is loaded, a parameter was
specified but the argument was either missing or invalid. The invalid argu-
ment or the position of the missing argument will be displayed, and you will
have to press the ESC key to continue.
The message “BPCDDRV.SYS Error: Unrecognized parameter in
CONFIG.SYS” appears when the computer starts
In the CONFIG.SYS line where BPCDDRV.SYS is loaded, an invalid pa-
rameter was specified. The invalid parameter will be displayed, and you
will have to press the ESC key to continue.
Microsoft CD-ROM Extensions
Error Messages
CDR101: Not ready error reading drive x: (under DOS)
No Disk in drive or The device is not ready (Under Windows or Win-
dows 95)
This message is displayed by MSCDEX whenever any type of error occurs
on the CD-ROM drive. Since the message is generic, there may be many
causes for its appearance. Check for the following conditions.
Make sure the backpack CD-ROM drive is still connected to the com-
puter’s parallel port and still has the original power supply attached.
Substituting a power supply of a lower voltage than the one originally
packaged with your backpack can produce this error.
Make sure there is a CD-ROM loaded in the drive.
If you just loaded a CD-ROM in the drive, wait a few seconds before
accessing it. The drive automatically reads the CD-ROM table of con -
tents when you insert a disc, and this takes a few seconds. During this
time the drive will not respond.
Check that the CD-ROM is clean. If necessary, clean it according to the
instructions provided with the disc.
This error can also occur if a caching utility, such as Microsoft’s
SMARTDRV.EXE program, fails to provide proper caching for the
CD-ROM Tutorial 3
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