Acer Altos R920 Series - Manual (Page 133)

115
PCI Configuration
Parameter Description Option
Memory
Mapped I/O
Start Address Select the start of the reserved memory
region for PCI memory mapped I/O space
that ends at 4 GB.
Note: Depending on the system
configuration, this option may impact the
amount of system memory detected by an
OS without Physical Address Extension
(PAE) support.
2.00 GB
2.25 GB
2.50 GB
1.50 GB
1.75 GB
Memory
Mapped I/O
Above 4 GB Enables or disables memory mapped I/O
of 64-bit PCI devices to 4 GB or greater
address space. Enabled
Disabled
Onboard Video Enables or disables the onboard VGA
controller. Enabled
Disabled