BC45Q Intel® Q45 LGA775 socket for Intel® Core™ 2 Quad Micro ATX Motherboard User’s Manual BCM Advanced Research, An Industrial Leader Since 1990 in Industrial Motherboards & Systems 7 Marconi, Irvine, CA 92618 USA | www.bcmcom.com | (PH)949.470.1888 | (FAX)949.470.0971 For Tech Support, please visit http://www.bcmcom.com/bcm_support_legacyProductSupport.htm or contact BCMTechSupport@bcmcom.com Ver. 1.
BC45Q Contents Safety information ...............................................................................................................4 About this guide...................................................................................................................5 BC45Q specifications summary.........................................................................................6 1.1 Welcome! ...................................................................................................
User’s Manual 2.2 BIOS setup program ...............................................................................................42 2.2.1 Legend Box ...........................................................................................................42 2.2.2 List Box..................................................................................................................43 2.2.3 Sub-menu .......................................................................................................
BC45Q Safety information Electrical safety To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.
User’s Manual About this guide This user guide contains the information you need when installing and configuring the motherboard. How this guide is organized This manual contains the following parts: Chapter 1: Product introduction This chapter describes the features of the motherboard and the new technology it supports. This chapter also lists the hardware setup procedures that you have to perform when installing system components.
BC45Q BC45Q specifications summary Specifications System CPU Intel® Q45 LGA775 socket for Intel® Core 2 Quad/Core 2 Duo Processors. Support Intel® next generation 45nm Multi-Core CPU FSB 1333/1066/800 MHz BIOS Award 32 Mb SPI BIOS System Chipset Intel Q45 GMCH/ICH10DO I/O Chipset Winbond W83627DHG-A Memory Four 240-pin DIMM sockets support up to 8 GB, DDR3 800 / 1066/1333 Watchdog Timer Reset: 1 sec.~255 min. and 1 sec. or 1 min.
User’s Manual 1 FDD connector 1 IDE connector 5 SATAII connectors 3 USB connectors support additional 6 USB ports 2 COM header (w/ 5V or 12V power) 1 x CPU Fan connector( 4pin PWM) 1 x Chassis Fan connector (3pin,Tacho sensor) Internal I/O 1 x System Fan connector (3pin,Tacho sensor) 1 x 16bit Digital I/O pin 1 x 4-pin Audio Amp. 1 x Front panel header 1 x S/PDIF Out Header 1 x AT.
BC45Q 1.1 Welcome! Thank you for using ® BC45Q motherboard! The BC45Q delivers a host of new features and high performance, making it another standout in the long line of quality motherboards! Before you start installing the motherboard, and hardware devices on it, check the items in your package with the list below. 1.2 Package contents Check your motherboard package for the following items.
User’s Manual 1.3 Special features 1.3.1 Product highlights Processor technology The motherboard comes with a 775-pin surface mount Land Grid Array (LGA) socket designed for the Intel® Core 2 Duo, Intel® Core 2 Quad in the 775-land package. The motherboard supports the Intel® Core™ 2 Quad or Intel® Core™ 2 Duo processor with 1333/1066/800MHz Front Side Bus (FSB). The motherboard also supports the Intel® Hyper‑Threading Technology and is fully compatible with Intel® PCG 04B/04A and 05B/05A processors.
BC45Q OpenGL* 2.0, Intel GMA 4500 delivers excellent video and 3D graphics with outstanding graphics responsiveness. These enhancements deliver the performance and compatibility needed for today’s and tomorrow’s business applications. The Intel Q45 Express Chipsets include support for the latest PC operating systems, including Windows Vista*.
User’s Manual their data and return their system to an operational status. • Intel® Trusted Platform Module 1.2: Integrated as part of the chipset; customer may choose to replace the discrete TPM with Intel® TPM providing a higher level of integration and simplifying board layouts. Dual-channel DDR3 memory support Dual-channel DDR3 delivers up to 17 GB/s (DDR3 1066 dual 8.5 GB/s) of bandwidth and 16 GB maximum supported memory size for faster system responsiveness and support of 64-bit computing. 5.
BC45Q 1.4 Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings. Unplug the power cord from the wall socket before touching any component. Use a grounded wrist strap or touch a safely grounded object or a metal object, such as the power supply case, before handling components to avoid damaging them due to static electricity Hold components by the edges to avoid touching the ICs on them.
User’s Manual 1.5 Motherboard overview Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Make sure to unplug the power cord before installing or removing the motherboard. Failure to do so can cause you physical injury and damage motherboard components. 1.5.1 Placement Direction When installing the motherboard, make sure that you place it into the chassis in the correct orientation.
BC45Q 1.5.
User’s Manual 1.6 Central Processing Unit (CPU) The motherboard comes with a surface mount LGA775 socket designed for the Intel® Core™ 2 Quad/ Intel® Core™ 2 Duo processor in the 775-land package. Your boxed Intel® Core™ 2 Quad/ Intel® Core™ 2 Duo LGA775 processor package should come with installation instructions for the CPU, fan and heatsink assembly. If the instructions in this section do not match the CPU documentation, follow the latter.
BC45Q 2. Press the load lever with your thumb (A), then move it to the left (B) until it is released from the retention tab. To prevent damage to the socket pins, do not remove the PnP cap unless you are installing a CPU. 3. Lift the load lever in the direction of the arrow to a 135º angle. 4. Lift the load plate with your thumb and forefinger to a 100º angle (A), then push the PnP cap from the load plate window to remove (B). 5.
User’s Manual 6. Close the load plate (A), then push the load lever (B) until it snaps into the retention tab. The CPU fits in only one correct orientation. DO NOT force the CPU into the socket to prevent bending the connectors on the socket and damaging the CPU! The motherboard supports Intel® LGA775 processors with the Intel® Enhanced Memory 64 Technology (EM64T), Enhanced Intel SpeedStep® Technology (EIST), and Hyper-Threading Technology.
BC45Q 1.6.2 Installing the CPU Heatsink and Fan The Intel® Core™ 2 Quad/ Intel® Core™ 2 Duo LGA775 processor requires a specially designed heatsink and fan assembly to ensure optimum thermal condition and performance. Install the motherboard to the chassis before you install the CPU fan and heatsink assembly. When you buy a boxed Intel® Core™ 2 Quad/ Intel® Core™ 2 Duo processor, package includes the CPU fan and heatsink assembly.
User’s Manual 2. Push down two fasteners at a time in a diagonal sequence to secure the heatsink and fan assembly in place. 3. Connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN. Do not forget to connect the CPU fan connector! Hardware monitoring errors can occur if you fail to plug this connector.
BC45Q 1.6.3 Uninstalling the CPU Heatsink and Fan To uninstall the CPU heatsink and fan: 1. Disconnect the CPU fan cable from the connector on the motherboard. 2. Rotate each fastener counterclockwise. 3. Pull up two fasteners at a time in a diagonal sequence to disengage the heatsink and fan assembly from the motherboard 4. Carefully remove the heatsink and fan assembly from the motherboard.
User’s Manual 5. Rotate each fastener clockwise to ensure correct orientation when reinstalling. The narrow end of the groove should point outward after resetting. (The photo shows the groove shaded for emphasis.
BC45Q 1.7 System memory 1.7.1 Overview The motherboard comes with two 240-pin Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. A DDR3 module has the same physical dimensions as a DDR2 DIMM. DDR3 DIMMs are notched differently to prevent installation on a DDR2 DIMM socket.
User’s Manual 1.7.2 Memory Configurations You may install 64 MB, 128 MB, 256 MB, 512 MB and 1 GB unbuffered ECC or non-ECC DDR DIMMs into the DIMM sockets using the memory configurations in this section. IF you installed four 1GB memory modules, the system may detect less than 3GB of total memory because of address space allocation for other critical functions. This limitation applies to Windows XP 32-bit version operating system since it does not support PAE (Physical Address Extension) mode.
BC45Q 1.7.3 Installing a DIMM Make sure to unplug the power supply before adding or removing DIMMs or other system components. Failure to do so may cause severe damage to both the motherboard and the components. 1. Unlock a DIMM socket by pressing the retaining clips outward 2. Align a DIMM on the socket such that the notch on the DIMM matches the break on the socket. 3. Firmly insert the DIMM into the socket until the retaining clips snap back in place and the DIMM is properly seated.
User’s Manual 1.7.4 Removing a DIMM 1. Simultaneously press the retaining clips outward to unlock the DIMM. Support the DIMM lightly with your fingers when pressing the retaining clips. The DIMM might get damaged when it flips out with extra force. 2. Remove the DIMM from the socket.
BC45Q 1.8 Expansion slots In the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that they support. Make sure to unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components. 1.8.1 Installing an Expansion Card 1. Before installing the expansion card, read the documentation that came with it and make the necessary hardware settings for the card. 2.
User’s Manual 1.8.3 PCI slots 1.8.4 PCI Express x16 The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI This motherboard supports PCI Express x16 graphic cards that comply with the PCI Express specifications. The figure shows a graphics specifications. The figure shows the type of LAN card that can be installed on a PCI slot. card installed on the PCI Express x16 slot. 1.8.
BC45Q 1.9 Jumpers 1.9.1 Clear RTC RAM (CLRTC) This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords. To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. Remove the onboard battery. 3.
User’s Manual 1.9.2 Power mode selection (PSON) This jumper allows you to select power mode by AT mode or ATX mode ATX mode 1.9.3 AT mode Intruder Select (CHASSIS1) This jumper allows you to select Intruder.
BC45Q 1.10 Connectors 1.10.1 Rear panel connectors 1. PS/2 mouse port (green). This port is for a PS/2 mouse. 2. DVI connector. DVI-I output 3 & 4. LAN (RJ-45) port. This port allows Gigabit connection to a Local Area Network (LAN) through a network hub. Refer to the table below for the LAN port LED indications.
User’s Manual 12. USB 2.0 ports 5 and 6. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices. 13. eSATA port (red). This port connects a SATA HDD. 1.10.2 Internal connectors 1. Front panel audio connector (10-pin AAFP1) This connector is for a chassis-mounted front panel audio I/O module that supports either HD Audio or legacy AC’97 audio standard.
BC45Q 2. Fan Connectors (3-pin SYS_FAN, 3-pin CHA_FAN, 4-pin CPU_FAN) The fan connectors support cooling fans of 350mA~740mA (8.88W max.) or a total of 1A~2.22A (26.64W max.) at +12V. Connect the fan cables to the fan connectors on the motherboard, making sure that the black wire of each cable matches the ground pin of the connector. Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components.
User’s Manual 3. USB connector (10-1 pin USB45, USB7/8, USB9/10, USB11/12) These connectors are for USB 2.0 ports. Connect the optional USB module cable to any of these connectors and then install the module to a slot opening at the back of the system chassis. These USB connectors comply with USB 2.0 specification that supports up to 480 Mbps connection speed. 4. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) These connectors are for ATX power supply plugs.
BC45Q EATXPWR1 ATX12V1 5.
User’s Manual 6. System panel connector (10-1 pin F_PANEL1) This connector supports several chassis-mounted functions. The system panel connector is color-coded for easy connection. Refer to the connector description below for details. Power/Soft-off button (Black 2-pin PWRSW) This connector is for the system power button. Pressing the power button turns the system ON or puts the system in SLEEP or SOFT-OFF mode depending on the BIOS settings.
BC45Q The S/PDIF out module is purchased separately. 8.
User’s Manual 9. FDD Connector 10. Primary IDE Connector (PRI_EIDE1) Note: HDD connect to IDE must be the primary, and CD-ROM connect to IDE should be slave if two devices connect to IDE at same time.
BC45Q 11. COM This connector is for a serial (COM) port. Connect the serial port module cable to this connector and then install the module to a slot opening at the back of the system chassis. 12. Serial ATA connector (7-pin SATA1, SATA2, SATA3, SATA4, SATA5) These connectors are for the Serial ATA signal cables for Serial ATA hard disk drives. 13.
User’s Manual 13. Optical drive audio connector (4-pin CD) This connector is for the 4-pin audio cable that connects to the audio connector at the back of the optical drive.
BC45Q This chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided.
User’s Manual 2.1 Managing and updating your BIOS 2.1.1 Creating a bootable floppy disk 1. Do either one of the following to create a bootable floppy disk. DOS environment a. Insert a 1.44MB floppy disk into the drive. b. At the DOS prompt, type format A:/S then press . Windows® XP environment a. Insert a 1.44 MB floppy disk to the floppy disk drive. b. Click Start from the Windows® desktop, then select My Computer. c. Select the 3 1/2 Floppy Drive icon. d.
BC45Q 2.2 BIOS setup program The main BIOS setup menu is the first screen that you can navigate. Each main BIOS setup menu option is described in this user’s guide. The Main BIOS setup menu screen has two main frames. The left frame displays all the options that can be configured. “Grayed-out” options cannot be configured. Options is blue can be. The right frame displays the key legend. Above the key legend is an area reserved for a text message.
F1 User’s Manual The key allows you to display the General Help screen. Press the key to open the General Help screen. F10 The key allows you to save any changes you have made and exit Setup. Press the key to save your changes. ESC The key allows you to discard any changes you have made and exit the Setup. Press the key to exit the setup without saving your changes.
BC45Q 2.3 Main Setup When you enter the BIOS, the following screen appears. The BIOS menu screen displays the items that allow you to make changes to the system configuration. To access the menu items, press the up/down/right/left arrow key on the keyboard until the desired item is highlighted, then press [Enter] to open the specific menu.
User’s Manual 2.3.1 Standard CMOS Features The Standard CMOS Features screen gives you an overview of the basic system 2.3.1.1 Date [Day, xx/xx/xxxx] The date format is , , , . 2.3.1.2 Time [xx:xx:xx] The time format is , based on the 24-hour clock. 2.3.1.3 SATA1~6; IDE Channel 4 Master / Slave IDE HDD Auto-Detection [Press Enter] to select this option for automatic device detection.
BC45Q 2.3.1.4 Driver A/B Specifies the capacity and physic al size of diskette drive A/B. Do not select [None] if you are using a floppy disk drive. Configuration options: [None] [360K, 5.25 in.] [1.2M, 5.25 in.] [720K, 3.5 in.] [1.44M, 3.5 in.] [2.88M, 3.5 in.] 2.3.1.5 Video This category detects the type of adapter used for the primary monitor that must match your video display card and monitor. EGA / VGA: Enhanced Graphics Adapter/Video Graphics Array. For EGA, VGA, SVGA, or PGA monitor adapters.
User’s Manual 2.3.2 Advanced BIOS Features The “Advanced BIOS Features” screen appears when choosing the “Advanced BIOS Features” item from the “Initial Setup Screen” menu. It allows the user to configure according to particular requirements. Below are some major items that are provided in the Advanced BIOS Features screen. A quick booting function is provided for your convenience. Simply enable the Quick Booting item to save yourself valuable time.
BC45Q 2.3.2.1 CPU Features PPM Mode Configuration options: [Native Mode], [SMM Mode] Native Mode - For Fully support ACPI OS (WinXP, VISTA) SMM Mode - For Legacy OS (Win2K, Win9x) Limit CPUID MaxVal Sets Limit CPUID MaxVa1 to 3. This should be disabled for WinXP. The options: Enabled, Disabled C1E Function CPU C1E function select.
User’s Manual 2.3.2.2 Hard Disk Boot Priority Set hard disk boot device priority. 2.3.2.3 Virus Warning Enables or disables the virus warning. Item Description Activates automatically when the system boots up causing a warning Enabled Disabled message to appear when anything attempts to access the boot sector or hard disk partition table. No warning message will appear when anything attempts to access the boot sector or hard disk partition table. 2.3.2.
BC45Q 2.3.2.5 First / Second / Third Boot Device The BIOS tries to load the OS from the devices in the sequence set here. The options are: Item Description Floppy Floppy Device LS120 LS120 Device HDD Hard Disk Device CDROM CDROM Device ZIP100 ZIP-100 Device USB-FDD USB Floppy Device USB-ZIP USB ZIP Device USB-CDROM USB CDROM Device IBA GE Slot 011 IBA GE Slot 011 Device Legacy LAN Network Device Disabled Disabled any boot device 2.3.2.
User’s Manual 2.3.2.10 Gate A20 Option Item Description Normal A pin in the keyboard controller controls GateA20 Fast Lets chipset control GateA20 (Default) 2.3.2.11 Typematic Rate Setting The typematic rate is the rate key strokes repeat as determined by the keyboard controller. The commands are “Enabled” or “Disabled”. Enabling allows the typematic rate and delay to be selected. 2.3.2.
BC45Q 2.3.2.16 MPS Version Control for OS This option is only valid for multiprocessor motherboards as it specifies the version of the Multiprocessor Specification (MPS) that the motherboard will use. The MPS is a specification by which PC manufacturers design and build Intel architecture systems with two or more processors. MPS 1.1 was the original specification. MPS version 1.
User’s Manual 2.3.2.23 DMI Event Log The options: Enabled, Disabled. 2.3.2.24 Clear All DMT Event Log The options: Yes, No. 2.3.2.25 View DMI Event Log Show the Event Log history. The options: Yes, No. 2.3.2.26 Mark DMI Events as Read The options: Yes, No. 2.3.2.27 Event Log Capacity Shows the Capacity of the Event Log. The default is [Space available]. 2.3.2.28 Event Log Validity The default is [Validity].
BC45Q 2.3.3 Advanced Chipset Features DRAM default timings have been carefully chosen and should ONLY be changed if data is being lost. Please first contact technical support 2.3.3.1 DRAM Timing Selectable The options: Manual, by SPD 2.3.3.2 System BIOS Cacheable Selecting “Enabled” allows caching of the system BIOS ROM at F0000h- FFFFFh, resulting in better system performance. However, if any pro- gram writes data to this memory area, a system error may occur. The Choices are “Enabled”, and “Disabled”.
User’s Manual 2.3.3.4 PCI Express Root Port Function PCI-E Compliancy Mode The options: V1.0a, V1.0. 2.3.3.
BC45Q 2.3.3.6 Intel AMT Configuration AMT BIOS Support The options: Disabled, Enabled 2.3.3.7 PEG/Onchip VGA Control The selections are “Auto”, “Onchip VGA” or “PEG Port”. 2.3.3.8 On-Chip Frame Buffer Size The On-Chip Frame Buffer Size can be set to 32MB, 64MB, 128MB. This memory is shared with the system memory. 2.3.3.9 DVMT Mode Use this field to select the memory to allocate for video memory. The choices are “Enabled”, “Disabled”. 2.3.3.10 Total GFX Memory Precharge Delay (tRAS) The options: 256MB 2.
User’s Manual 2.3.4 Integrated Peripherals 2.3.4.1 OnChip IDE Device IDE HDD Block Model If IDE hard drive supports block mode select Enabled for automatic detection of the optimal number of block read/writes per sector the drive can support. IDE DMA Transfer Access Use this field to enable or disable IDE DMA transfer access.
BC45Q IDE Primary/Secondary Master/Slave PIO/UDMA Mode The channel has both a master and a slave, making four IDE devices possible. Because two IDE devices may have a different Mode timing (0, 1, 2, 3, 4), it is necessary for these to be independent. The default setting “Auto” will allow auto detection to ensure optimal performance. SATA Mode Choose the interface of SATA controller. The default setting is “IDE” which let SATA like parallel ATA controller.
User’s Manual 2.3.4.3 Super I/O Device Power ON Function This feature allows you to wake up the system using any of the listed options. The selections are “Hot KEY”, “Mouse Left”, “Mouse Right”, “Any KEY” and “BUTTON ONLY”. KB Power ON Password Select this item to set or change the KB power on password. Hot Key Power ON Awaken the system by pressing the hot key button. The choices are “Ctrl-F1”, “Ctrl-F2”, “Ctrl-F3” to “Ctrl-F8”.
BC45Q 2.3.4.4 Onboard LAN Boot ROM The options: Enabled, Disabled. 2.3.4.5 Watch Dog Timer Selection The options: 0 ~ 255 2.3.4.6 USB Device Setting USB 1.0 / 2.0 Controller The choices: Disabled, Enabled. USB Operation Mode Allows you to configure the USB 2.0 controller in HiSpeed (480 Mbps) or Full Speed (12 Mbps). Configuration options: [Full/Low Speed] [HiSpeed] USB Keyboard Function The choices: Disabled, Enabled. USB Mouse Function The choices: Disabled, Enabled.
User’s Manual 2.3.5 Security Chip Configuration 2.3.5.1 LT/TXT Initialization The options: Disabled, Enabled. 2.3.5.2 Reset TPM Flag The options: Disabled, Enabled. 2.3.5.3 TPM Support The options: Disabled, Enabled. 2.3.5.4 TPM Status The options: No change, Clear, Enable & Activate, Deactivate & Disable.
BC45Q 2.3.6 Power Management Setup The power management setup controls the single board computer's “green” features to save power. The following screen shows the manufacturer’s defaults.
User’s Manual 2.3.6.1 PCI Express PM Function DMI Port ASPM The choices: Disabled, L1 2.3.6.2 ACPI Function The choices are “Enabled” and “Disabled”. 2.3.6.3 ACPI Suspend Type This item allows you to set ACPI suspend type to S1/POS(Power On Suspend) or S3/STR(Suspend To RAM). 2.3.6.4 Run VGABIOS if S3 Resume Select “Auto” to run VGA BIOS if S3 resume automatically. The “Yes” enables running VGA BIOS if S3 resume. The “No” disables this function. 2.3.6.
BC45Q User Defined Allows you to set each mode individually. When not disabled, each of the ranges are from 1 min. to 1 hr. except for HDD Power Down which ranges from 1 min. to 15 min. and disable. 2.3.6.6 Video Off Method Use this to select the method to turn off the video. The choices are “Blank Screen”, “V/H SYNC+ Blank”, and “DPMS”. 2.3.6.7 Video Off In Suspend When the system is in suspend mode, the video will turn off. The choices are “No” and “Yes”. 2.3.6.8 Suspend Type Select the suspend type.
User’s Manual 2.3.6.13 Wake-Up by PCI card The choices are “Enabled” and “Disabled”. 2.3.6.14 Power On by Ring Select “Enabled” to power on the system from a soft off state by an input signal on the serial Ring Indicator (RI) line. The choices are “Enabled” and “Disabled”. 2.3.6.15 USB KB Wake-Up from S4 When “Enabled”, enter any key to wake up the system from S4 state. The choices are “Enabled” and “Disabled”. 2.3.6.
BC45Q 2.3.7 PnP/PCI Configurations 2.3.7.1 Init Display First This item allows you to choose the first display interface to initiate while booting. The options: PCI Slot, Onboard, PCIEx. 2.3.7.2 Rest Configuration Data The default is “Disabled”. Select Enabled to reset Extended System Configuration Data (ESCD) if you have installed a new add-on card, and system configuration is in such a state that the OS cannot boot. 2.3.7.3 Resource Controlled By The commands here are “Auto(ESCD)” or “Manual”.
User’s Manual 2.3.7.5 Maximum Payload Size This allows you to set the maximum TLP payload size for PCI Express devices. The options: [128 bytes], [256 bytes], [512 bytes], [1024 bytes], [2048 bytes], and [4096 bytes].
BC45Q 2.3.8 PC Health Status 2.3.8.1 Case Open Warning The options: Disabled, Enabled. 2.3.8.2 SYS&CHA Fan Profile The options: Disabled, Optimal Mode, Silent Mode, and Performance Mode. 2.3.8.3 System Temperature This shows you the current temperature of system. 2.3.8.4 SYS / AUX FAN Speed This shows the current fan operating speed. 2.3.8.5 Vcore and Others Voltage This shows the voltage of VCORE, +5V, +12V, VBAT(V), and 3VSB(V).
User’s Manual 2.3.9 Frequency/Voltage Control 2.3.9.1 Auto Detect PCI Clk The options: Enabled, Disabled. 2.3.9.2 Spread Spectrum This setting allows you to reduce EMI by modulating the signals the CPU generates so that the spikes are reduced to flatter curves. This is achieved by varying the frequency slightly so that the signal does not use any particular frequency for more than a moment. The options: Disabled, N+0.3333, N+0.6666. 2.3.9.
BC45Q 2.3.10 Load Setup Defaults Use this menu to load the BIOS default values for the minimal/stable performance for your system to operate. Press to load the BIOS default values for the most stable, minimal-performance system operations.
User’s Manual 2.3.11 Set Password You can set password. Supervisor Password: able to enter/change the options of setup menus. Follow these steps to change the password. Choose the “Set Password” option from the “Initial Setup Screen” menu and press . The screen displays the following message: Please Enter Your Password Press . If the CMOS is good and this option has been used to change the default password, the user is asked for the password stored in the CMOS.
BC45Q 2.3.12 Save and Exit Setup If you select this and press , the values entered in the setup utilities will be recorded in the CMOS memory of the chipset. The processor will check this every time you turn your system on and compare this to what it finds as it checks the system. This record is required for the system to operate.
User’s Manual 2.3.13 Exit Without Saving Selecting this option and pressing lets you exit the setup program without recording any new values or changing old ones.