1. System BIOS
Express5800/R120g-1M, R120g-2M Maintenance Guide
68
Chapter 2 Useful Features
(3)
PCI Configuration submenu
From the
Advanced
menu, select
PCI Configuration
and then press the <Enter> key to display the menu
screen as shown below.
For details about the options, see the table below.
Option Parameter Description
PCI Device Controller and Option ROM
Settings
−
−
PCI Link Speed Settings
−
−
AER Support
Disabled
[Enabled]
Enable or disable the feature that allows the
OS to control PCIe Advanced Error Reporting.
Onboard VGA is excluded.
4GB PCI Hole Granularity
3 GB
[2 GB]
1 GB
Specify the size of the address space for the
PCI device.
Above 4GB Decoding
[Disabled]
Enabled
Enable or disable the function that maps the
memory to an address space that is more than
4GB for 64 bit PCle device.
PCI Bus Static Allocation
Disabled
[Enabled]
Enable or disable static allocation of the PCI
bus number.
PCIe Completion Timeout
50 µsec to 10 msec
16 msec to 55 msec
65 msec to 210 msec
[260 msec to 900 msec]
1 sec to 3.5 sec
4 sec to 13 sec
17 sec to 64 sec
Specify completion timeout time for PCIe
devices.
I/O Non-Posted Prefetch
Disabled
[Enabled]
Enable or disable the I/O Non-Posted Prefetch
function.
[ ]: Factory setting
