4-8 Dell PowerEdge 2200 Systems User’s GuideSerial Port 1Use this category to select a unique address and interruptrequest for the listed COM ports. The options are asfollows:• Disabled• 3F8, IRQ4• 3E8, IRQ4• Auto (the default)The Auto option selects the next availablecombination.Serial Port 2Use this category to select a unique address and interruptrequest for the listed COM ports. The options are asfollows:• Disabled• 2F8, IRQ3• 2E8, IRQ3• Auto (the default)The Auto option selects the next availablecombination.Parallel PortUse this category to select a unique address and interruptrequest for the listed LPT ports. The options are asfollows:• Disabled• 378, IRQ5• 3BC, IRQ7• 278, IRQ5• 378, IRQ7 (the default)• AutoThe Auto option selects the next availablecombination.Parallel ModeThis category allows you to select from the followingoptions: Output Only (AT-compatible) (the default), Bi-directional (Personal System/2 [PS/2]-compatible), andECP (extended capabilities port).Diskette ControllerSelecting Enabled (the default) enables the on-board dis-kette drive controller.Onboard SCSISelecting the Enabled (the default) option enables the on-board PCI SCSI controller and scans the associatedROM. In order for the system to boot from a driveattached to the on-board SCSI controller, the drive mustbe enabled. Selecting Disabled causes the BIOS to maskthe presence of a device.PCI Scan SequenceThis category determines the order in which PCI devicesare scanned by the system, and it allows you to select thebuilt-in SCSI controller or an optional PCI expansioncard SCSI controller as the boot device. The options are:• Embedded Devices First• Slot Devices First (the default)Use MP SpecificationThis category configures the Multiprocessor Specifica-tion revision level. The default value is 1.4. Someoperating systems require level 1.1 for compatibilityreasons.PS/2 MouseSetting PS/2 Mouse to Enabled (the default) allows aninstalled PS/2 mouse to function. Disabling PS/2 Mousefrees interrupt request (IRQ) 12, but it also prevents anyinstalled PS/2 mouse from functioning.
