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Using the System Setup Program 3-11
Diskette Interface controls the operation of the system’s built-in diskette drive
controller.
With Auto (the default) selected, the system turns off the built-in diskette drive con-
troller when necessary to accommodate a controller card installed in an expansion
slot.
With Write Protect selected, nothing can be written to diskette drives and tape drives
using the system’s built-in diskette drive controller. (The system can still read from the
drives.) The Auto option (whereby the system turns off the built-in diskette drive con-
troller as necessary) is also in effect.
Selecting Off turns off the built-in diskette/tape drive controller; this option is used pri-
marily for troubleshooting purposes.
PC Speaker determines whether system sounds (other than beep codes) are emitted
by the on-board speaker. A change takes effect immediately (rebooting the system is
not required).
However, even with PC Speaker set to Off, sounds from the integrated audio control-
ler will be emitted by the on-board speaker. To disable the on-board speaker
completely, follow these steps:
Video DAC Snoop lets you correct video problems that may occur when certain video
expansion cards are used. The default is Off. If you are using a video card and prob-
lems such as incorrect colors or blank windows occur, set Video DAC Snoop to On.
SCSI controls the system’s on-board primary and secondary small computer system
interface (SCSI) controllers. The settings for Primary SCSI and Secondary SCSI are:
Off (the default)
On
Refer to Chapter 7, “Using the Integrated SCSI Controllers,” and Chapter 10, “Install-
ing Drives,” for information about configuring and installing SCSI devices.