Asus B85M-G, B85MG 1.2.3Motherboard layout, B85M-G

Place this side towards the rear

of the chassis

B85M-G

1.2.3Motherboard layout

KBMS

DVI_VGA

USB910

USB3_56

HDMI ASM 1442

LAN_USB34

ATX12V

USBPWR

19.3cm(7.6in)

CPU_FAN

DIGI

+VRM

LGA1150

CHA_FAN

240-pin module)	240-pin module)	240-pin module)	240-pin module)
DIMM A1 (64bit,	DIMM A2 (64bit,	DIMM B1 (64bit,	DIMM B2 (64bit,	EATXPWR
DDR3	DDR3	DDR3	DDR3

				12

23.4cm(9.2in)

AUDIO

KB_

BATTERY

USB3_

PCIEX16

SATA6G

RTL

B85M-G

8111G

64Mb

PCIEX1_1

BIOS

SATA6G

I/O

Intel®

SB_PWR

Super

B85

PCIEX1_2

SATA6G

ALC

887

SPDIF_OUT

USBPWF

CHASSIS

SPEAKER

CLRTC

SATA6G_4

AAFP

COM

LPT

USB1112 USB1314

SATA3G_1

SATA3G_2

F_PANEL

1-2	Chapter 1: Product introduction

Contents

Page Page Product introduction BIOS information Appendices Electrical safety Operation safety How this guide is organized Where to find more information Conventions used in this guide Typography Package contents B85M-Gspecifications summary ASUS DIGI+ VRM: ASUS Exclusive Features: ASUS Quiet Thermal Solution: ASUS EZ DIY: All Solid Capacitors Page 1.2.1Placement direction 1.2.2Screw holes 1.2.3Motherboard layout 1.2.4Layout contents 1.3.1Installing the CPU 1.3.2CPU heatsink and fan assembly installation To install the CPU heatsink and fan assembly To uninstall the CPU heatsink and fan assembly 1.4.1Overview 1.4.2Memory configurations 1.4.3Installing a DIMM 1.4.4Removing a DIMM 1.5.1Installing an expansion card 1.5.2Configuring an expansion card 1.5.3PCI Express 2.0 x1 slots 1.5.4PCI Express 3.0/2.0 x16 slot IRQ assignments for this motherboard 2.Keyboard and USB device wake-up(KB_USBPWB) B85M-GKeyboard and USB device wake up 3.USB device wake-up(USBPWF) B85M-GUSB device wake up 1.7.1Rear panel connectors Audio 2, 4, 6, or 8-channelconfiguration USB 2.0 ports 3 and HDMI port USB 3.0 ports 5 and USB 2.0 ports 9 and 1.7.2Internal connectors 3.Front panel audio connector (10-1pin AAFP) B85M-GFront panel audio connector 4.Serial port connector (10-1pin COM) B85M-GSerial port (COM) connector 5.CPU and chassis fan connectors (4-pinCPU_FAN, 4-pinCHA_FAN) B85M-GFan connectors 6.Speaker connector (4-pinSPEAKER) B85M-GSpeaker Out Connector 7.Intel® B85 Serial ATA 3.0Gb/s connectors (7-pinSATA3G_1~2 [black]) B85M-GIntel® SATA 3.0Gb/s connectors 8.Intel® B85 Serial ATA 6.0Gb/s connector (7-pinSATA6G_1~4 [yellow]) B85M-GIntel® SATA 6.0Gb/s connectors 9.USB 3.0 connector (20-1pin USB3_12) B85M-GUSB3.0 Front panel connector 10.USB 2.0 connectors (10-1pin USB1112, USB1314) B85M-GUSB2.0 connectors 11.System panel connector (10-1pin PANEL) •System power LED (2-pinPWR_LED) •Hard disk drive activity LED (2-pinHDD_LED) •Reset button (2-pinRESET) 12.Digital audio connector (4-1pin SPDIF_OUT) 1.8Onboard LEDs 1.Standby Power LED B85M-GOnboard LED 1.9.1Installing an operating system 1.9.2Support DVD information To run the Support DVD 2.1.1EZ Update 2.1.2ASUS EZ Flash 2.1.3ASUS CrashFree BIOS 3 utility Recovering the BIOS 2.1.4ASUS BIOS Updater Before updating BIOS Booting the system to a DOS environment Updating the BIOS file Page Entering BIOS Setup at startup Entering BIOS Setup after POST BIOS menu screen EZ Mode Advanced Mode Menu bar Menu items Back button Submenu items Pop-upwindow Scroll bar Navigation keys General help Configuration fields 2.4.1System Language [English] 2.4.2System Date [Day xx/xx/xxxx] 2.4.3System Time [xx:xx:xx] 2.4.4Security Administrator Password User Password User Password Not Installed 2.5Ai Tweaker menu Target CPU Turbo-ModeSpeed : xxxxMHz Target DRAM Speed : xxxxMHz Target Cache Speed : xxxxMHz Target DMI/PEG Clock : xxxxMHz 2.5.1Ai Overclock Tuner [Auto] 2.5.2ASUS MultiCore Enhancement [Enabled] 2.5.3CPU Core Ratio [Auto] 2.5.4Min CPU Cache Ratio [Auto] 2.5.5Max CPU Cache Ratio [Auto] 2.5.6CPU bus speed : DRAM speed ratio mode [Auto] 2.5.7Memory Frequency [Auto] 2.5.8CPU Graphics Max. Ratio [Auto] 2.5.11DRAM Timing Control RTL IOL control DRAM RTL initial Value [Auto] DRAM RTL (CHA) [Auto] DRAM RTL (CHB) [Auto] DRAM IO-L(CHA) [Auto] 2.5.12DIGI+ VRM CPU Load-LineCalibration [Auto] CPU Fixed Frequency [XXX] CPU Power Phase Control [Auto] CPU Power Duty Control [T.Probe] 2.5.13CPU Power Management Enhanced Intel® SpeedStep Technology [Enabled] Turbo Mode [Enabled] Turbo Mode Parameters CPU Internal Power Switching Frequency CPU Internal Power Fault Control CPU Internal Power Configuration Power Decay Mode [Auto] Idle Power-inResponse [Auto] 2.5.14Extreme OV [Disabled] 2.5.15CPU Core Voltage [Auto] CPU Core Voltage Override [Auto] Offset Mode Sign [+] Additional Turbo Mode CPU Core Voltage [Auto] 2.5.17CPU Graphics Voltage [Auto] CPU Graphics Voltage Override [Auto] Additional Turbo Mode CPU Graphics Voltage [Auto] Total Adaptive Mode CPU Graphics Voltage [Auto] 2.5.18CPU System Agent Voltage Offset Mode Sign [+] CPU System Agent Voltage Offset [Auto] 2.5.19CPU Analog I/O Voltage Offset Mode Sign [+] CPU Analog I/O Voltage Offset [Auto] 2.5.20CPU Digital I/O Voltage Offset Mode Sign [+] 2.5.25PCH Voltage [Auto] 2.5.26DRAM CTRL REF Voltage [Auto] 2.5.27DRAM DATA REF Voltage on CHA [Auto] 2.5.28DRAM DATA REF Voltage on CHB [Auto] 2.5.29CPU Spread Spectrum [Auto] 2.6.1CPU Configuration Intel® Adaptive Thermal Monitor [Enabled] Hyper-threading[Enabled] Active Processor Cores [All] Limit CPUID Maximum [Disabled] Boot performance mode [Max Non-Tu...] CPU Power Management Configuration 2.6.2PCH Configuration PCI Express Configuration Intel® Rapid Start Technology Intel® Smart Connect Technology [Disabled] 2.6.3SATA Configuration SATA Mode Selection [AHCI] Aggressive LPM Support [Auto] IDE Legacy / Native Mode Selection [Native] S.M.A.R.T. Status Check [Enabled] Graphics Configuration DMI Configuration NB PCIe Configuration Memory Configuration 2.6.5USB Configuration Legacy USB Support [Enabled] Intel® xHCI Mode [Smart Auto] EHCI Hand-off[Disabled] USB Single Port Control 2.6.7Onboard Devices Configuration HD Audio Controller [Enabled] Front Panel Type [HD] SPDIF Out Type [SPDIF] Realtek LAN Controller [Enabled] 2.6.8APM Restore AC Power Loss [Power Off] Power On By PS/2 Keyboard [Disabled] Power On By PS/2 Mouse [Disabled] Power On By PCIE [Disabled] 2.6.9Network Stack Network Stack [Disabled] Ipv4 PXE Support [Enabled] Ipv6 PXE Support [Enabled] 2.7.1CPU Temperature [xxxºC/xxxºF] 2.7.2CPU / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A] 2.7.3CPU Input Voltage (VCCIN), 3.3V Voltage, 5V Voltage, 12V Voltage 2.7.4CPU Q-FanControl [Enabled] CPU Fan Speed Low Limit [200 RPM] 2.7.5Chassis Q-FanControl [Enabled] Chassis Fan Speed Low Limit [600 RPM] Chassis Fan Profile [Standard] 2.7.6Anti Surge Support [Disabled] 2.8.1Fast Boot [Enabled] USB Support [Partial Initialization] PS/2 Keyboard and Mouse Support [Auto] Network Stack Driver Support [Disabled] Next Boot after AC Power Loss [Normal Boot] 2.8.2Boot Logo Display [Enabled] Boot Logo Size Control [Auto] POST Delay Time [3 sec] Post Report [5 sec] 2.8.3Bootup NumLock State [On] 2.8.4Wait for ‘F1’ If Error [Enabled] 2.8.5Option ROM Messages [Force BIOS] 2.8.6Interrupt 19 Capture [Disabled] 2.8.7Setup Mode [EZ Mode] 2.8.8CSM (Compatibility Support Module) 2.8.9Secure Boot OS Type [Windows UE...] Key Management KEK Management Delete the KEK Load KEK from File Append KEK from file DB Management 2.8.10Boot Option Priorities 2.8.11Boot Override 2.9.1ASUS EZ Flash 2 Utility 2.9.2ASUS O.C. Profile Save to Profile Load from Profile 2.9.3ASUS SPD Information Load Optimized Defaults Save Changes & Reset Discard Changes & Exit ASUS EZ Mode Launch EFI Shell from filesystem device Federal Communications Commission Statement IC: Canadian Compliance Statement Canadian Department of Communications Statement VCCI: Japan Compliance Statement VCCI Class B Statement KC: Korea Warning Statement REACH ASUSTeK COMPUTER INC ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Germany and Austria) DECLARATION OF CONFORMITY EC Declaration of Conformity