Supermicro 2028UT-BC1NRT User Manual page 115

SCU (Storage Control Unit) Configuration
Storage Controller Unit
Select Enabled to enable PCH SCU storage devices. The options are Disable and
Enable.
Onchip SCU Option ROM
Select Disabled to boot the system from a SAS device. Select EFI to boot the system
from an EFI device. Select Legacy to boot the system from a Legacy SCU device.
The options are Disable, EFI, and Legacy.
Boot from SCU or SATA RAID
Use this feature to select device from which the system will boot. The options are
Boot from SCU, Boot from SATA RAID, Do not boot form SATA or SCU drives,
and No Legacy RAM Space Restrictions.
The AMI BIOS will display the status of an SCU port as detected:
•
SCU Port 0
•
SCU Port 1
•
SCU Port 2
•
SCU Port 3
PCIe/PCI/PnP Configuration
PCI Latency Timer
Use this feature to set 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 Bus Clocks).
VGA Palette Snoop
Select Enabled to support VGA palette register snooping which will allow the
PCI cards that do not contain their own VGA color palette to examine the video
cards palette and mimic it for proper color display. The options are Disabled and
Enabled.
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Chapter 7: AMI BIOS