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Asus A7V880 4.VCORE over-voltage (3-pinOVER_VOLT1), When enabled, this jumper allows CPU VCORE ranges of 1.75V

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4.VCORE over-voltage (3-pin OVER_VOLT1)When enabled, this jumper allows CPU VCORE ranges of 1.75V ~ 1.95V.

When this jumper is disabled, VCORE setting has a range of +1.65V ~ +1.85V. You may adjust the CPU VCORE through the BIOS Setup.

Setting to a very high core voltage may cause permanent damage to the CPU. It is recommended that you keep the default setting (Disable).

OVER_VOLT1

1	2	2		3

Disable Enable (Default)

A7V880

A7V880 OVER_VOLT Setting

ASUS A7V880 motherboard

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Contents

Page E1791 Revised Edition January Chapter 1: Product introduction IRQ assignments for this motherboard Chapter 2: BIOS Information 2.1 Managing and updating your BIOS 2.1.1 Creating a bootable floppy disk 2.1.2 Using AFUDOS to update the BIOS 2.1.3 Using AFUDOS to copy BIOS from PC Chapter 3: Software support 3.2.1 Running the support CD Where to find more information Electrical safety Operation safety Conventions used in this guide Typography Page Page Page Thank you for buying the ASUS® A7V880 motherboard Check your motherboard package for the following items 1 x 2-portUSB module with cable 1 x Ribbon cable for a 3.5-inchfloppy drive I/O shield Bag of extra jumper caps User guide 1.3.1 Product Highlights 1.3.2 Unique ASUS features ASUS EZ Flash BIOS ASUS Instant Music Lite Onboard LED 1.5.1 Motherboard layout 1.5.2 Placement direction 1.5.3 Screw holes 1.6.1 Overview 1.6.2 Installing the CPU 2.Unlock the socket by pressing the lever sideways, then lift it up to a 90° 100° angle 4.Carefully insert the CPU into the socket until it fits in place 1.7.1 DIMM sockets location 1.7.2Memory configurations DDR Qualified Vendor List Table DDR400 Qualified Vendors List Table 1 DDR400 Qualified Vendors List 1.7.3 Installing a DIMM 1.8.1 Interrupt assignments 1.8.2 IRQ assignments for this motherboard 1.8.3 PCI slots 1.8.4 AGP slot 1.8.5 Wi-Fislot 1.Clear RTC RAM (CLRTC) To erase the RTC RAM: 1.Turn OFF the computer and unplug the power cord 3.Plug the power cord and turn ON the computer Hold down the 2.Keyboard power (3-pinKBPWR) 3.USB device wake-up (3-pinUSBPWR12, USBPWR34, USBPWR56, USBPWR78) 4.VCORE over-voltage (3-pinOVER_VOLT1) When enabled, this jumper allows CPU VCORE ranges of 1.75V 1.10.1 Rear panel connectors 1.10.2 Internal connectors 3.ATX power connectors (20-pinATXPWR) 4.Internal audio connectors (4-pinCD, AUX) 5.CPU and chassis fan connectors (3-pinCPU_FAN, CHA_FAN) 6.USB header (10-1pin USB56, USB78) 7.Front panel audio connector (10-1pin FP_AUDIO) Be default, the pins labeled LINE OUT_R/BLINE_OUT_R and the pins 8.Chassis intrusion connector (4-1pin CHASSIS) 9.GAME/MIDI connector (16-1pin GAME) 10.Serial ATA connectors (7-pinSATA1, SATA2) 11.Digital Audio connector (6-1pin SPDIF_OUT) 12.System panel connector (10-1pin PANEL) •System Power LED Lead (Green 3-1pin PLED) •System Warning Speaker Lead (Orange 4-pinSPEAKER) •Reset Switch Lead (Blue 2-pinRESET) •ATX Power Switch / Soft-OffSwitch Lead (Yellow 2-pinPWR ) •System Management Interrupt Lead (2-pinSMI) •Hard disk activity LED (Red 2-pinIDELED) Page Page 2.1.1Creating a bootable floppy disk 2.1.2 Using AFUDOS to update the BIOS 2.1.3 Using AFUDOS to copy BIOS from PC 2.1.4 Using ASUS EZ Flash to update the BIOS 2.1.5 Recovering the BIOS with CrashFree BIOS 4. When the BIOS update process is complete, reboot the system To recover the BIOS from the support CD: Place the support CD in the Otherwise, POST continues with its test routines <Ctrl+Alt+Delete 2.2.1 BIOS menu screen 2.2.2 Menu bar 2.2.3 Navigation keys 2.2.4 Menu items 2.2.5 Sub-menuitems 2.2.6 Configuration fields 2.2.7 Pop-upwindow 2.2.8 Scroll bar 2.3.1 System Time [xx:xx:xxxx] 2.3.2 System Date [Day xx/xx/xxxx] 2.3.3 Legacy Diskette A [1.44M, 3.5 in.] 2.3.4 Primary and Secondary IDE Master/Slave Type [Auto] LBA/Large Mode [Auto] Block (Multi-sectorTransfer) [Auto] PIO Mode [Auto] 2.3.5 System Information 2.4.1 Instant Music Configuration 2.4.2 Chipset SDRAM CAS# Latency [2.5] SDRAM Bank Interleave [Disabled] Precharge to Active(Trp) [4T] Active to Precharge(Tras) [9T] Active to CMD(Trcd) [4T] REF to ACT/REF to REF (Trcfc) [15T] AGP Mode [AGP 8X] AGP Read Synchronization [Disabled] AGP Fast Write [Disabled] Graphics Aperture Size [128MB] AGP Master 1 W/S Read [Disabled] 2.4.3 Onboard Devices Configuration EPP Version [1.9] ECP Mode DMA Channel [DMA3] Parallel Port IRQ [IRQ7] 2.4.4 PCI PnP Plug and Play O/S [No] Configuration options: [No] [Yes] PCI Latency Timer [64] Allocate IRQ to PCI VGA [Yes] Palette Snooping [Disabled] 2.4.5 JumperFree Configuration 2.4.6 USB Configuration 2.5.1 Suspend Mode [Auto] 2.5.2 Repost Video on S3 Resume [No] 2.5.3 ACPI 2.0 Support [No] 2.5.4 ACPI APIC Support [Enabled] 2.5.5 APM Configuration Restore on AC Power Loss [Power Off] Configuration options: [Power Off] [Power On] [Last State] Wake Up/ Power On By Ring [Disabled] Power On By PCI Devices [Disabled] Power On By RTC Alarm [Disabled] Hardware Monitor 2.6.1 Boot Device Priority Boot Settings Configuration Quick Boot [Enabled] Full Screen Logo [Enabled] Add On ROM Display Mode [Force BIOS] Sets the display mode for option ROM 2.6.3 Security User Access Level [Full Access] No Access prevents user access to the Setup utility Change User Password Installed To set a User Password: Password Check [Setup] Boot Sector Virus Protection [Disabled] Exit & Save Changes Yes Exit & Discard Changes Discard Changes Load Setup Defaults Page 3.2.1 Running the support CD 3.2.2 Drivers menu 3.2.3 Utilities menu 3.2.4 ASUS Contact Information Instant Music Lite To enable ASUS Instant Music Lite: Connect the analog audio cable from the optical drive Turn on the system and enter the BIOS by pressing the In the To use ASUS Instant Music Lite: Instant Music function keys (Set 1) Instant Music function keys (Set 2) 4.Press Esc to turn ON Instant Music Lite 5.Place an audio CD into the drive