Chapter 4: AMI BIOS
4-15
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.
PCI IDE BusMaster
When this feature is enabled, the BIOS uses PCI bus mastering for reading/writing
to IDE drives. The options are Disabled and Enabled.
SR-IOV Supported
Select Enabled to enable Single Root I/O Virtualization (SR-IOV) support which
works in conjunction with the Intel Virtualization Technology and allow multiple op-
erating systems running simultaneously within a single computer via natively share
PCI-Express devices in order to enhance network connectivity and performance.
The options are Enabled and Disabled.
PCI-E Slot from SXB1/PCI-E Slot from SXB2/PCI-E Slot from SXB3
Select Enabled to enable PCI-E SXB1 slot, PCI-E SXB2 slot or PCI-E SXB3 slot.
It can also enable Option ROMs to boot computer using a network interface from
these slots. (SXB1, a x16 slot, can be confi gured into two x8 slots. SXB2, a x8 slot,
can be confi gured into two x4 slots.) The options are Enabled and Disabled.
Onboard LAN Option ROM Select
Select iSCSI to use iSCSI Option ROMs to boot the computer using a network
device. Select PXE to use PXE Option ROMs to boot the computer using a network
device. The options are iSCSI and PXE.
Load Onboard LAN1 Option ROM/Load Onboard LAN2 Option ROM
Select Enabled to enable the onboard LAN1 or LAN2 Option ROM. This is to boot
the computer using a network interface. The options for Load Onboard LAN1 are
Enabled and Disabled. The options for Load Onboard LAN 2 are Enabled and
Disabled.
Boots Graphics Adapter Priority
This feature allows the user to select the priority graphics adapter for system boot.
The options are Onboard VGA and Offboard VGA.
Super IO Device Confi guration
Serial Port1 Address/ Serial Port2 Address
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
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