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Chapter 7: BIOS
PCI Latency Timer
This feature sets the latency Timer of each PCI device installed on a PCI bus. Select
64 to set the PCI latency to 64 PCI clock cycles. The options are 32, 64, 96, 128,
160, 192, 224 and 248.
SR-IOV Support
Single Root I/O Virtualization (SR-IOV) is a specifi cation that allows a PCIe device
to appear as multiple physical devices to the system. The options are Disabled
and Enabled.
PCI-E Slot 4, 5, 6, & 7 OPROM
Use this feature to enable or disable PCI slot Option ROMs. The options are Dis-
abled and Enabled.
Onboard LAN Option ROM Select
This feature selects whether to load the iSCSI or PXE onboard LAN option ROM.
The options are iSCSI and PXE.
Load Onboard LAN1 Option ROM/Load Onboard LAN2 Option ROM
This feature is to enable or disable the onboard option ROMs. The options are
Disabled and Enabled.
Boot Graphics Adapter Priority
Use the feature to select the graphics controller to be used as the primary boot
device. The options are Offboard VGA and Onboard VGA.
Super IO Device Confi guration
Serial Port 1 / Serial Port 2
Select Enabled to enable the onboard serial port. The options are Enabled and
Disabled.
Serial Port1 Settings/ Serial Port2 Settings
This option specifi es the base I/O port address and the Interrupt Request address
of Serial Port 1 and Serial Port 2. Select Disabled to prevent the serial port from
accessing any system resources. When this option is set to Disabled, the serial port
physically becomes unavailable. Select 3F8/IRQ4 to allow the serial port to use 3F8
as its I/O port address and IRQ 4 for the interrupt address. The options for Serial
Port1 are Disabled, 3F8/IRQ4, 3E8/IRQ4, 2F8/IRQ3 and 2E8/IRQ3. The options for
Serial Port2 are Disabled, 3F8/IRQ4, 3E8/IRQ4, 2F8/IRQ3, and 2E8/IRQ3.
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