Asus P8B75-M P8B75-M User's Manual - Page 61

Chapter 2: BIOS information

2-17

CPU Power Management Configuration

CPU Ratio [Auto]

Allows you to set the ratio between the CPU Core Clock and the BCLK Frequency. Use <+> and

<-> keys to adjust the ratio. The valid value ranges vary according to your CPU model.

Enhanced Intel SpeedStep Technology [Enabled]

Allows you to enable or disable the Enhanced Intel

®

SpeedStep Technology (EIST).

[Disabled]

The CPU runs at its default speed.

[Enabled]

The operating system controls the CPU speed.

Turbo Mode [Enabled]

This item appears only when you set the

Enhanced Intel SpeedStep Technology

item to

[Enabled] and allows you to enable or disable the Intel

®

Turbo Mode Technology.

[Enabled]

Allows processor cores to run faster than marked frequency in specific condition.

[Disabled]

Disables this function.

CPU C1E [Auto]

Enables or disables the C1E support function. This item should be enabled in order to enable the

Enhanced Halt State. Configuration options: [Auto] [Enabled] [Disabled]

CPU C3 Report [Auto]

Allows you to disable or enable the CPU C3 report to OS. Configuration options: [Auto] [Enabled]

[Disabled]

CPU C6 Report [Auto]

Allows you to disable or enable the CPU C6 report to OS. Configuration options: [Auto] [Enabled]

Configuration options: [Auto] [Enabled]

[Disabled]

2.5.3

PCH Configuration

High Precision Timer [Enabled]

Allows you to enable or disable the High Precision Event Timer.

Configuration options: [Enabled] [Disabled]

Intel

®

Rapid Start Technology [Disabled]

Allows you to enable or disable the Intel(R) Rapid Start Technology.

Configuration options: [Enabled] [Disabled]

Intel

®

Smart Connect Technology [Disabled]

ISCT Configuration [Disabled]

Allows you to enable or disable the ISCT configuration. Configuration options: [Enabled] [Disabled]

2.5.4

SATA Configuration

While entering Setup, the BIOS automatically detects the presence of SATA devices. The

SATA Port items show

Empty

if no SATA device is installed to the corresponding SATA port.

SATA Mode Selection [AHCI]

Allows you to set the SATA configuration.

[IDE]

Set to [IDE] when you want to use the Serial ATA hard disk drives as

Parallel ATA physical storage devices.

[AHCI]

Set to [AHCI] when you want the SATA hard disk drives to use the AHCI

(Advanced Host Controller Interface). The AHCI allows the onboard storage

driver to enable advanced Serial ATA features that increases storage

performance on random workloads by allowing the drive to internally

optimize the order of commands.

Section	Page
Safety information	6
About this guide	6
P8B75-M specifications summary	8
Chapter 1	11
Product introduction	11
1.1 Welcome!	11
1.2 Package contents	11
1.3 Special features	11
1.3.1 Product highlights	11
1.3.2 Innovative ASUS features	13
1.4 Before you proceed	15
1.5 Motherboard overview	16
1.5.1 Placement direction	16
1.5.2 Screw holes	16
1.5.3 Motherboard layout	17
1.5.4 Layout contents	17
1.6 Central Processing Unit (CPU)	18
1.6.1 Installing the CPU	19
1.6.2 CPU heatsink and fan assembly installation	21
1.7 System memory	23
1.7.1 Overview	23
1.7.2 Memory configurations	23
1.7.3 Installing a DIMM	28
1.7.4 Removing a DIMM	28
1.8 Expansion slots	29
1.8.1 Installing an expansion card	29
1.8.2 Configuring an expansion card	29
1.8.3 PCI slot	29
1.8.4 PCI Express x4 slot	29
1.8.5 PCI Express x16 slot	29
1.9 Jumpers	30
1.10 Connectors	32
1.10.1 Rear panel connectors	32
1.10.2 Internal connectors	34
1.11 Onboard switches	41
1.12 Onboard LEDs	42
1.13 Software support	43
1.13.1 Installing an operating system	43
1.13.2 Support DVD information	43
1.13.3 Intel® SBA support	44
Chapter 2	45
BIOS information	45
2.1 Managing and updating your BIOS	45
2.1.1 ASUS Update utility	45
2.1.2 ASUS EZ Flash 2	46
2.1.3 ASUS CrashFree BIOS 3 utility	47
2.1.4 ASUS BIOS Updater	48
2.2 BIOS setup program	50
2.3 Main menu	54
2.3.1 System Language [English]	54
2.3.2 System Date [Day xx/xx/xxxx]	54
2.3.3 System Time [xx:xx:xx]	54
2.3.4 Security	54
2.4 Ai Tweaker menu	56
2.4.1 CPU bus speed : DRAM speed ratio mode [Auto]	56
2.4.2 Memory Frequency [Auto]	56
2.4.3 EPU Power Saving Mode [Disabled]	57
2.4.4 GPU Boost [OK]	57
2.4.5 DRAM Timing Control	57
2.4.6 CPU Power Management	57
2.4.7 Offset Mode Sign [+]	58
2.4.8 DRAM Voltage [Auto]	58
2.4.9 VCCIO Voltage [Auto]	58
2.4.10 VCCSA Voltage [Auto]	58
2.4.11 CPU PLL Voltage [Auto]	58
2.4.12 PCH Voltage [Auto]	59
2.4.13 Load-Line Calibration [Auto]	59
2.5 Advanced menu	59
2.5.1 Trusted Computing	60
2.5.2 CPU Configuration	60
2.5.3 PCH Configuration	61
2.5.4 SATA Configuration	61
2.5.5 System Agent Configuration	62
2.5.6 ME Subsystem	62
2.5.7 AMT Configuration	63
2.5.8 USB Configuration	63
2.5.9 Onboard Devices Configuration	64
2.5.10 APM	65
2.5.11 Network Stack	66
2.6 Monitor menu	66
2.6.1 CPU Temperature / MB Temperature [xxxºC/xxxºF]	67
2.6.2 CPU / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A]	67
2.6.3 CPU Q-Fan Control [Enabled]	67
2.6.4 Chassis Q-Fan Control [Enabled]	68
2.6.5 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage	68
2.6.6 Anti Surge Support [Enabled]	68
2.7 Boot menu	69
2.7.1 Bootup NumLock State [On]	69
2.7.2 Full Screen Logo [Enabled]	69
2.7.3 Wait for ‘F1’ If Error [Enabled]	69
2.7.4 Option ROM Messages [Force BIOS]	70
2.7.5 Setup Mode [EZ Mode]	70
2.7.6 UEFI/Legacy Boot [Enabled both UEFI and Legacy]	70
2.7.7 PCI ROM Priority [Legacy ROM]	70
2.7.8 Boot Option Priorities	70
2.7.9 Boot Override	70
2.8 Tools menu	71
2.8.1 ASUS EZ Flash 2 Utility	71
2.8.2 ASUS O.C. Profile	71
2.8.3 ASUS SPD Information	71
2.9 Exit menu	72
Appendices	73

Asus P8B75-M P8B75-M User's Manual - Page 61

PCH Conﬁguration, SATA Conﬁguration - v driver

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