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Using the System Setup Program 4-9
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Parallel Mode controls whether the system’s built-in parallel port acts as an
AT-compatible (unidirectional) or PS/2-compatible (bidirectional) port.
Set Parallel Mode according to the type of peripheral device connected to the parallel
port. To determine the correct mode to use, see the documentation that came with
the device.
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Diskette
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 control-
ler when necessary to accommodate a controller card installed in an expansion slot.
With Write Protect selected, nothing can be written to diskette drives using the
system’s built-in diskette drive controller. (The system can still read from the drives.)
When this option is selected, the Auto option (whereby the system turns off the built-
in diskette drive controller as necessary) is also in effect.
Selecting Off turns off the built-in diskette controller; this option is used primarily for
troubleshooting purposes.
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Primary SCSI A, Primary SCSI B and Secondary SCSI turn the respective SCSI control-
ler on or off. Selecting On (the default option) enables the built-in PCI SCSI controller
and scans the associated read-only memory (ROM). For the system to boot from a
drive attached to the built-in SCSI controller, the drive must be enabled. Selecting Off
causes the BIOS to mask the presence of a device.
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The following fields, which are not selectable, display information about the system:
The processor line displays the microprocessor type and speed.
Level 2 Cache displays the size of the integrated cache (512 kilobytes [KB]).
System Memory indicates the entire amount of installed memory detected in
your system, except for memory on Expanded Memory Specification (EMS)
expansion cards. After adding memory, check System Memory to confirm that
the new memory is installed correctly and is recognized by the system.
Video Memory displays the amount of video memory detected in your system.
Service Tag
displays the system’s five-character service tag number, which was
programmed into NVRAM by Dell during the manufacturing process. Refer to this
number during technical assistance or service calls. The service tag number is
also accessed by certain Dell support software, including the diagnostics
software.
Asset Tag
displays the customer-programmable asset tag number for the system
if an asset tag number has been assigned. You can use the Asset Tag utility,