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X9SRD-F Motherboard User’s Manual
AHCI Mode
The following items are displayed when AHCI Mode is selected:
Aggressive Link Power Management
When Enabled, the SATA AHCI controller manages the power usage of
the SATA link. The controller will put the link in a low power mode dur-
ing extended periods of I/O inactivity, and will return the link to an active
state when I/O activity resumes. The options are
Enabled
and Disabled.
Port 0~5 Hot Plug
Set this item to Enabled to enable hot-plugging for the particular port.
The options are
Enabled
and Disabled.
Staggered Spin Up
Set this item to Enabled to enable Staggered Spin-up support. The
options are Enabled and
Disabled
.
RAID Mode
The following items are displayed when RAID Mode is selected:
Port 0~5 Hot Plug
Set this item to Enabled to enable hot-plugging for the particular port.
The options are
Enabled
and Disabled.
PCIe/PCI/PnP Configuration
This feature allows the user to set the PCI/PnP configurations for the following items:
PCI ROM Priority
In case of multiple Option ROMs (Legacy and EFI-compatible), this feature speci-
fies what ROM to launch. The options are
Legacy ROM
and EFI Compatible ROM.
PCI Latency Timer
This feature sets the latency Timer of each PCI device installed on a PCI bus. Se-
lect 64 to set the PCI latency to 64 PCI clock cycles. The options are 32 PCI Bus
Clocks,
64 PCI Bus Clocks
, 96 PCI Bus Clocks, 128 PCI Bus Clocks, 160 PCI
Bus Clocks, 192 PCI Bus Clocks, 224 PCI Bus Clocks and 248 PCI Bus Clocks.
Above 4G Decoding
Set this item to Enabled to activate 64-bit capable devices to be decoded above
the 4G address space. This works only if the system supports 64-bit PCI decoding.
The options are Enabled and
Disabled
.
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