This is the default syntax for the backpack CONFIG.SYS line. This should allow
backpack to operate properly on almost all computers. The /d:bpcddrv$ parameter
specifies the name of the backpack CD-ROM device driver in memory and must
not be altered. This parameter does not assign the D: drive designation to back-
pack. See Section 4.0 of this User’s Guide for modification of the backpack drive
letter.
Options can be combined on the same line, if necessary. For example:
device=\bpcdrom\bpcddrv.sys /d:bpcddrv$ NOEPP T1=10
would cause the backpack device driver software to bypass the backpack Enhanced
Parallel Port usage and add 10 more timing delays to the data transfer signals
from the backpack to the computer’s parallel port.
Always reboot the computer after saving changes to the CONFIG.SYS file.
If you use Windows 95 or Windows NT
Open the Control Panel with Start, Settings or by opening Control
Panel in the Main Program Group. Double-click on the backpack icon.
The backpack Controls window will provide options similar to those below.
BACKPACK Options
NONSTOP This option is detailed in Section 3.2 of this User’s Guide, and
does not apply to Windows 95.
NOEPP This option turns off backpack’s testing and usage of
Enhanced Parallel Ports (EPP). If the parallel port chip in your
computer exhibits EPP properties, but is not fully EPP
compatible, then this parameter may be necessary to allow
backpack CD-ROM to function on that computer’s parallel
port. Be sure to turn the computer’s power and the backpack
CD-ROM drive’s power OFF after saving this particular
modification to the CONFIG.SYS. This will allow the
backpack I/O chips and the computer’s parallel port chipset
to be reset to a non-EPP mode.
Troubleshooting 9
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