Asus P5BV Motherboard Installation Guide - Page 85
CPU Configuration
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Port 64/60 Emulation [Disabled] Allows you to disable or enable the I/O port 60h/64h emulation support. This should be enabled for the complete USB keyboard legacy support for non-USB aware OSes. Configuration options: [Disabled] [Enabled] USB 2.0 Controller Mode [HiSpeed] Allows you to configure the USB 2.0 controller in HiSpeed (480 Mbps) or Full Speed (12 Mbps). Configuration options: [HiSpeed] [Full Speed] BIOS EHCI Hand-Off [Enabled] Allows you to enable support for operating systems without an EHCI hand‑off feature. Configuration options: [Disabled] [Enabled] 4.4.4 CPU Configuration The items in this menu show the CPU-related information that the BIOS automatically detects. Configure advanced CPU settings Module Version: 3C.0E Manufacturer: Intel Brand String: Intel(R) Pentium(R) 4 CPU 3.00GHz Frequency : 3.00GHz FSB Speed : 800MHz Cache L1 : 16 KB Cache L2 : 2048 KB Ratio Status: Unlocked (Max:15, Min:14) Ratio Actual Value: 15 CPUID : F43 Modify Ratio Support [Disabled] C1E Support [Enabled] Max CPUID Value Limit: [Disabled] CPU TM function [Enabled] Execute Disable Bit [Enabled] Hyper Threading Technology [Enabled] Intel(R) SpeedStep(tm) tech. [Automatic] Intel(R) C-STATE Technology [Enabled] Unlock locked CPU and let it run at lower multiplier setting. Modify Ratio Support [Disabled] Allows you to enable or disable the Modify Ratio support. Configuration options: [Disabled] [Enabled] C1E Support [Enabled] Allows you to enable or disable the C1E support. In C1E mode, the CPU power consumption is lower than idle. Configuration options: [Disabled] [Enabled] Max CPUID Value Limit [Disabled] Enable this item to boot legacy operating systems that cannot support CPUs with extended CPUID functions. Configuration options: [Disabled] [Enabled] ASUS P5B-V 4-21