Asus P7Q57-M DO - Manual (Page 46)

2-16 Chapter 2: BIOS information
The following item appears only when you installed an Intel ® CPU that supports the
Enhanced Intel ® SpeedStep ® Technology (EIST).
Intel(R) SpeedStep(TM) Tech [Enabled]
When this item is set to [Enabled], the CPU speed is controlled by the operating system.
When this item is set to [Disabled], the CPU runs at its default speed.
Configuration options: [Enabled] [Disabled]
Intel(R) TurboMode Tech [Enabled]
This item appears only if you set the CPU Ratio Setting item to [Auto]. Turbo mode allows
processor cores to run faster than marked frequency in specific condition. Configuration
options: [Disabled] [Enabled]
Intel(R) C-STATE Tech [Disabled]
Allows you enable or disable the Intel ® C-STATE Technology. When enabled, the CPU idle is
set to C2/C3/C4/C6. Configuration options: [Disabled] [Enabled]
A20M [Disabled]
Setting this item to [Enabled] allows Legacy OSes to be compatible with APs. Configuration
options: [Disabled] [Enabled]
2.5.3 Onboard Devices Configuration
JMB368 IDE Controller [Enabled]
Allows you to enable or disable the JMB368 IDE Controller.
Configuration options: [Disabled] [Enabled]
HDA Controller [Enabled]
Allows you to enable or disable the high definition audio controller.
Configuration options: [Enabled] [Disabled]
Front Panel Type [HD Audio]
Allows you to select the front panel type. If High Definition Audio Front Panel used,
please set HD Audio mode. Configuration options: [AC97] [HD Audio]
Serial Port1 Address [3F8/IRQ4]
Allows you to select the Serial Port1 base address.
Configuration options: [Disabled] [3F8/IRQ4] [2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3]
Parallel Port Address [378]
Allows you to select the Parallel Port base addresses. Configuration options: [Disabled] [378]
[278] [3BC]
Parallel Port Mode [ECP]
Allows you to select the Parallel Port mode.
Configuration options: [Normal] [Bi-Directional] [EPP] [ECP]