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3-6 Advanced Chipset Features
The Advanced Chipset Features Setup option is used to change the values of the chipset
registers. These registers control most of the system options in the computer.
Phoenix – AwardBIOS CMOS Setup Utility
Advanced Chipset Features
Item Help
PCIE Configuration [press enter]
Memory Hole Disabled
System BIOS Cacheable Disabled
Menu Level >
↑↓→←
Move Enter:/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
F5:Previous Values F6:Optimized Defaults F7:Standard Defaults
System BIOS Cacheable
Selecting Enabled allows caching of the system BIOS ROM at F0000h-FFFFFh, resulting in
better system performance. However, if any program writes to this memory area, a system
error may result. The settings are: Enabled and Disabled.
3-6-1 PCIE Configuration
Phoenix – AwardBIOS CMOS Setup Utility
PCIE Configuration
Item Help
PnP b/w Primary/Secondary Disabled
GPP Power Limit, W 25
>GFX Port 1 Press Enter
>GFX Port 2 Press Enter
>GPP1 Press Enter
>GPP2 Press Enter
>GPP5 Press Enter
>GPP6 Press Enter
>NB-SB Port Feature Press Enter
Menu Level >
↑↓→←
Move Enter:/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
F5:Previous Values F6:Optimized Defaults F7:Standard Defaults
GPP Power Limit, W:
PCI Express provides a mechanism for software controlled limiting of the maximum power
per slot that PCI Express adapter (associated with that slot) can consume.
GFX Port1/GFX Port2
Press Enter and you can modify these four items: Gen2 High Speed Mode, Link ASPM, Link
Width and Slot Power Limit, W .
Gen2 High Speed Mode:
1. AUTO (Gen2 advertised capabilities on boot-up time + Autonomous Gen2 (RC feature
only) + Workarounds for 1.1 violators) –production default setting;
2. GEN2 ADVERTISED RC (Gen2 advertised capabilities on boot-up time + Workarounds
for 1.1 violators)
3. SOFTWARE INITATED (Workarounds for 1.1 violators; Going to Gen2 after link
trains to L0)
4. AUTONOMOUS (Autonomous Gen2: Gen2 advertised capabilities on boot-up time;
Autonomous register bit set before link is trained; Hardware performs Gen2 speed change)
Link ASPM:
