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Chapter 7: BIOS
Hot Plug
This feature designates a port specified by a user for hot plugging. Set this item
to Enabled for hot-plugging support, which will allow the user to replace a SATA
drive without shutting down the system. The options are Enabled and Disabled.
External Device
Select Enabled for external SATA device support. The options are Enabled and
Disabled.
Mechanical Switch
Select Enabled for mechanical switch support. The options are Disabled and
Enabled.
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 32 to set the PCI latency to 32 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.
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 palettes to examine the video cards
palette to mimic it for proper color display. The options are Disabled and Enabled.
PERR# Generation
Select Enabled to allow a PCI device to generate a PERR number for a PCI Bus
Signal Error Event. The options are Disabled and Enabled.
SERR# Generation
Select Enabled to allow a PCI device to generate an SERR number for a PCI Bus
Signal Error Event. The options are Enabled and Disabled.
System Error Logging
If this item is set to enabled, an error log will be created when a system error oc-
curs. The options are Enabled and Disabled.
Maximum Payload
Select Auto to allow the system BIOS to automatically set the maximum payload
value for a PCI-E device to enhance system performance. The options are Auto,
128 Bytes, 256 Bytes, 512 Bytes, 1024 Bytes, 2048 Bytes, and 4096 Bytes.
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