Avalue ECM-QB User Manual
Page 39

ECM-QB User
’s Manual
ECM-QB User
’s Manual 39
Item
Options
Description
PCI ROM Priority
EFI Compatible ROM
Legacy ROM
In case of multiple Option ROMs (Legacy
and EFI Compatible), specifies what PCI
Option ROM to launch.
PCI Latency Timer
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
248 PCI Bus Clocks
Value to be programmed into PCI Latency
Timer Register
VGA Palette Snoop
Disabled
Enabled
Enables or Disables VGA palette
Registers Snooping.
PERR# Generation
Disabled
Enabled
Enables or Disables PCI device to
generate PERR#
SERR# Generation
Disabled
Enabled
Enables or Disables PCI device to
generate SERR#
Relaxed Ordering
Disabled
Enabled
Enables or Disables PCI Express Device
Relaxed ordering.
Extended Tag
Disabled
Enabled
If ENABLED, allows Device to use 8-bit
Tag field as a requester.
No Snoop
Disabled
Enabled
Enables or Disables PCI Express Device
No Snoop option.
Maximum Payload
Auto
128 Bytes
256 Bytes
512 Bytes
1024 Bytes
2048 Bytes
4096 Bytes
Set Maximum Payload of PCI Express
Device or allow System BIOS to select the
value
Maximum Read Request
Auto
128 Bytes
256 Bytes
512 Bytes
1024 Bytes
2048 Bytes
4096 Bytes
Set Maximum Read Request size of PCI
Express Device or allow System BIOS to
select the value
Automatic ASPM
Disabled
Auto
Force L0
Automatically enable ASPM based on
reported capabilities and known issues.
Extended Synch
Disabled
Enabled
If ENABLED allows generation of
Extended Synchronization patterns.