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Pci express settings – Avalue EMX-CDV User Manual

Page 42

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EMX-CDV

42 EMX-CDV User

’s Manual

Item

Options

Description

PCI Latency Timer

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

Value to be programmed into PCI Latency
Timer Register.

VGA Palette Snoop

Enabled

Disabled[Default]

Enables or Disables VGA Palette Registers
Snooping.

PERR# Generation

Enabled

Disabled[Default]

Enables or Disables PCI Device to
Generate PERR#

SERR# Generation

Enabled

Disabled[Default]

Enables or Disables PCI Device to
Generate SERR#

PCI Express Settings

Change PCI Express Devices Settings.

3.6.2.1.1

PCI Express Settings

Item

Options

Description

Relaxed Ordering

Enabled

Disabled[Default]

Enables or Disables PCI Express Device
Relaxed Ordering.

Extended Tag

Enabled

Disabled[Default]

If ENABLED allows Device to use 8-bit Tag
field as a requester.

No Snoop

Enabled[Default]

Disabled

Enables or Disables PCI Express Device
No Snoop option.

Maximum Payload

Auto[Default]

128 Bytes
256 Bytes
512 Bytes

1024 Bytes
2048 Bytes

Set Maximum Payload of PCI Express
Device or allow System BIOS to select the
value.