Using the System Setup Program 4-93DUDOOHO0RGHParallel Mode controls whether the system’s built-in parallel port acts as anAT-compatible (unidirectional) or PS/2-compatible (bidirectional) port.Set Parallel Mode according to the type of peripheral device connected to the parallelport. To determine the correct mode to use, see the documentation that came withthe device.'LVNHWWHDiskette 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 thesystem’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 fortroubleshooting purposes.3ULPDU\6&6,$3ULPDU\6&6,%DQG6HFRQGDU\6&6,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 controllerand scans the associated read-only memory (ROM). For the system to boot from adrive attached to the built-in SCSI controller, the drive must be enabled. Selecting Offcauses the BIOS to mask the presence of a device.6\VWHP'DWDThe following fields, which are not selectable, display information about the system:á The processor line displays the microprocessor type and speed.á Level 2 Cache displays the size of the integrated cache (512 kilobytes [KB]).á System Memory indicates the entire amount of installed memory detected inyour system, except for memory on Expanded Memory Specification (EMS)expansion cards. After adding memory, check System Memory to confirm thatthe new memory is installed correctly and is recognized by the system.á Video Memory displays the amount of video memory detected in your system.á Service Tag displays the system’s five-character service tag number, which wasprogrammed into NVRAM by Dell during the manufacturing process. Refer to thisnumber during technical assistance or service calls. The service tag number isalso accessed by certain Dell support software, including the diagnosticssoftware.á Asset Tag displays the customer-programmable asset tag number for the systemif an asset tag number has been assigned. You can use the Asset Tag utility,