Advantech ASMB-913I User Manual page 56

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! There are some graphic or GPU card need to enable 4G Decoding.
ASMB-913I User Manual 46