Asus P8P67 LE User Manual - Page 73
Onboard Devices Configuration
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Legacy USB3.0 Support [Enabled] [Enabled] Enables the support for USB 3.0 devices on legacy operating systems (OS). [Disabled] Disables the function. EHCI Hand-off [Disabled] [Enabled] Enables the support for operating systems without an EHCI hand‑off feature. [Disabled] Disables the function. 2.5.6 Onboard Devices Configuration HD Audio Controller [Enabled] [Enabled] Enables the High Definition Audio Controller. [Disabled] Disables the controller. The following two items appear only when you set the HD Audio Controller item to [Enabled]. Front Panel Type [HD] Allows you to set the front panel audio connector (AAFP) mode to legacy AC'97 or highdefinition audio depending on the audio standard that the front panel audio module supports. [HD] Sets the front panel audio connector (AAFP) mode to high definition audio. [AC97] Sets the front panel audio connector (AAFP) mode to legacy AC'97. SPDIF Out Type [SPDIF] [SPDIF] Sets to [SPDIF] for SPDIF audio output. [HDMI] Sets to [HDMI] for HDMI audio output. VIA 1394 Controller [Enabled] [Enabled] Enables the onboard IEEE 1394a controller. [Disabled] Disables the controller. PCI Express X16_2 slot (Black) bandwidth [2,0,1,1 x2 mode] [Auto] The PCIe X16_2 slot runs at x4/x2 mode for system resource optimization. [4,0,0,0 x4 mode] The PCIe X16_2 slot runs at x4 mode for high performance support. (PCIe X1_1, and PCIe X1_2 slots will be disabled.) [2,0,1,1 x2 mode] The PCIe X16_2 slot runs at x2 mode with all slots enabled. • Due to the CrossFireX™ limitation, PCIe x16_2 slot must run at x4 mode to set up a CrossFireX™ configuration. The default setting is x2 mode. Set the above item to [4,0,0,0 x4 mode] when you want to set up a CrossFireX™ configuration. • The PCIe x1 slots share the bandwidth with the PCIe x16_2 slot. Thus, all PCIe x1 slots will be disabled when you install two CrossFireX™ graphics cards on both the PCIe x16 slots to set up a CrossFireX™ configuration. Chapter 2: BIOS information 2-21