Acer AR160 F1 - Manual (Page 86)

4 System BIOS 70
Plug & Play OS: Yes allows the OS to configure Plug & Play devices.
(This is not required for system boot if your system has an oerating
system that supports Plug & Play.) Select No to allow the 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.
PCI IDE BusMaster: When Enabled, the BIOS uses PCI bus mastering for
reading/writing to IDE drives.
Slot SXB2/SXB3 Width: Allows you to change the link width of the PCI
slots as specified in order to support a riser or add-on card installed in
the slots. The options are shown in the table below.
Slot SXB1 Width: Allows you to change the link width of a PCI slot in
order to support a riser or add-on card installed in the slot.
SR-IOV Supported: Select Enabled to enable Single-Root I/O
Virtualization (SR-IOV) support, which works in conjunction with Intel
Virtualization Technology to allow multiple operating systems to run
simultaneously within a single computer via natively-shared 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 Express slot SXB1, SXB2 or SXB3. You can also
enable Option ROMs to boot the computer using a network interface
from these slots.
iSCSI Support: Select Enabled to enable Intel 82576/82574 iSCSI
support.
Options SXB2 SXB3
x4x4x4x4 x4x4 x4x4
x4x4x8 x4x4 X8
x8x4x4 x8 x4x4
x8x8 x8 x8
x16 x16