Advantech ASMB-823I User Manual page 55

3.2.2.5 PCI Subsystem Settings
 PCI / PCI-X Latency Timer
Value in units of PCI clocks for PCI device latency timer register.
 Above 4G Decoding
Enables or disables 64-bit capability. Devices to be decoded in above 4G
address space (Only if system supports 64-bit PCI decoding).
Note! Some graphic or GPU cards need to enable 4G Decoding.
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