SUPER MICRO Computer 1.2b Plug & Play OS, PCI Latency Timer, PCI IDE BusMaster, SR-IOV Supported

Chapter 4: AMI BIOS

Plug & Play OS

Selecting Yes allows the OS to configure Plug & Play devices. (This is not required for system boot if your system has an OS that supports Plug & Play.) Select No to allow the AMI BIOS to configure all devices in the system.

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

Single Root I/O Virtualization is an industry-standard mechanism that allows the resource of a device to be simultaneously shared among several virtual machines. Select Enabled to partition the resource of PCI device into several virtual interfaces for resource sharing under a virtual environment. The options are Disabled and Enabled.

PCI-E Slot 1 x8, PCI-E Slot 2 x16, PCI-E Slot 3 x8, PCI-E Slot 4 x8 (in x16 slot), PCI-E Slot 5 PCI-E x4 (in x8 slot), PCI-E Slot 6 x16, PCI-E Slot 7 x8

This feature allows you to Enable or Disable any of the PCI slots. The options are Enabled and Disabled.

Onboard LAN Option ROM Select

Use this feature to select the type of onboard LAN option ROM. 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 computer using a network interface. The default setting for LAN1 is Enabled. The default setting for LAN2 is Disabled.

Boot Graphics Adapter Priority

This feature allows the user to select the priority graphics adapter for system boot. The options are Offboard VGA, Onboard VGA, and Slot 6.

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