Chapter 3: BIOS Setup | 19
PCI Subsystem Settings
PCI ROM Priority
In case of multiple option ROMs (Legacy and EFI Compatible), this item specifies what PCI
Option ROM to launch
Options: Legacy ROM (Default) / EFI Compatible ROM
Above 4G Decoding
Enables or disables 64bit capable device to be decoded in above 4G address space (only if
system support 64 bit PCI decoding).
Options: Disabled (Default) / Enabled
PCI Latency Timer
This item sets the value to be programmed into PCI Latency Timer Register.
Options: 32 PCI Bus Clocks (Default) / 64 PCI Bus Clocks / 96 PCI Bus Clocks / 128 PCI Bus Clocks
/ 160 PCI Bus Clocks / 192 PCI Bus Clocks / 224 PCI Bus Clocks / 248 PCI Bus Clocks
VGA Palette Snoop
Enables or disables VGA palette registers snooping.
Options: Disabled (Default) / Enabled
PERR# Generation
Enables or disables PCI device to generate SERR#.
Options: Disabled (Default) / Enabled
SERR# Generation
Enables or disables PCI device to generate SERR#.
Options: Disabled (Default) / Enabled
