Motherboard DIY Troubleshooting Guide
Page 1
® A7V266 JumperFree™ DDR DRAM 266MHz FSB AGP Pro/4X Socket A Motherboard USER'S MANUAL
® A7V266 JumperFree™ DDR DRAM 266MHz FSB AGP Pro/4X Socket A Motherboard USER'S MANUAL
Motherboard DIY Troubleshooting Guide
Page 4
FEATURES 8 2.1 ASUS A7V266 Motherboard 8 2.1.1 Specifications 8 2.1.2 Performance 10 2.1.3 Intelligence 11 2.2 Motherboard Components 12 2.2.1 Component Locations 13 3. HARDWARE SETUP 14 3.1 Motherboard Layout 14 3.2 Layout Contents 15 3.3 Hardware Setup Procedure 17 3.4 Motherboard Settings 17 3.5 System Memory 25 3.5.1 DDR DIMM Support 25 3.5.1 General DIMM Notes 26 3.5.2 Memory Installation 26 3.6 Central Processing ...System 45 4.1.2 Updating BIOS Procedures 47 4.2 BIOS Setup Program 49 4.2.1 BIOS Menu Bar 50 4.2.2 Legend Bar 50 4 ASUS A7V266 User's Manual CONTENTS 1.
FEATURES 8 2.1 ASUS A7V266 Motherboard 8 2.1.1 Specifications 8 2.1.2 Performance 10 2.1.3 Intelligence 11 2.2 Motherboard Components 12 2.2.1 Component Locations 13 3. HARDWARE SETUP 14 3.1 Motherboard Layout 14 3.2 Layout Contents 15 3.3 Hardware Setup Procedure 17 3.4 Motherboard Settings 17 3.5 System Memory 25 3.5.1 DDR DIMM Support 25 3.5.1 General DIMM Notes 26 3.5.2 Memory Installation 26 3.6 Central Processing ...System 45 4.1.2 Updating BIOS Procedures 47 4.2 BIOS Setup Program 49 4.2.1 BIOS Menu Bar 50 4.2.2 Legend Bar 50 4 ASUS A7V266 User's Manual CONTENTS 1.
Motherboard DIY Troubleshooting Guide
Page 7
...the Read2-In-01. SOFTWARE SETUP 6. INTRODUCTION Manual / Checklist 1. SOFTWARE REFERENCE 7. Package Contents Optional Items (1) ASUS Motherboard (1) 40-pin 80-conductor ribbon cable for internal UltraDMA100/66//33 IDE drives ASUS IrDA-compliant infrared module (1) Ribbon cable for product availability. INTRODUCTION 1.1 How This Manual Is Organized This manual is...sections: 1. See Section 6, Software Reference, for the included software Optional items and general reference 1.2 Item Checklist Check that your retailer. ASUS A7V266 User's Manual 7 BIOS SETUP 5. 1.
...the Read2-In-01. SOFTWARE SETUP 6. INTRODUCTION Manual / Checklist 1. SOFTWARE REFERENCE 7. Package Contents Optional Items (1) ASUS Motherboard (1) 40-pin 80-conductor ribbon cable for internal UltraDMA100/66//33 IDE drives ASUS IrDA-compliant infrared module (1) Ribbon cable for product availability. INTRODUCTION 1.1 How This Manual Is Organized This manual is...sections: 1. See Section 6, Software Reference, for the included software Optional items and general reference 1.2 Item Checklist Check that your retailer. ASUS A7V266 User's Manual 7 BIOS SETUP 5. 1.
Motherboard DIY Troubleshooting Guide
Page 8
...™ Mode: Allows processor settings and easy overclocking of frequency and Vcore voltage through the onboard hardware ASUS ASIC and the bundled ASUS PC Probe. • SMBus: Features the System Management Bus interface used to allow manual adjustment of ...Support: Comes with an onboard PCI Bus Master IDE controller with the motherboard board to physically transport commands and information between SMBus devices. 8 ASUS A7V266 User's Manual FEATURES 2.1 ASUS A7V266 Motherboard The ASUS A7V266 motherboard is the newest memory standard with an Accelerated Graphics Port (AGP) ...
...™ Mode: Allows processor settings and easy overclocking of frequency and Vcore voltage through the onboard hardware ASUS ASIC and the bundled ASUS PC Probe. • SMBus: Features the System Management Bus interface used to allow manual adjustment of ...Support: Comes with an onboard PCI Bus Master IDE controller with the motherboard board to physically transport commands and information between SMBus devices. 8 ASUS A7V266 User's Manual FEATURES 2.1 ASUS A7V266 Motherboard The ASUS A7V266 motherboard is the newest memory standard with an Accelerated Graphics Port (AGP) ...
Motherboard DIY Troubleshooting Guide
Page 9
...throughput. • Advanced Communication Riser (ACR): Features an ACR slot for the Advanced Communication Riser card. The AFPANEL connector on the motherboard. UART2 can also be directed from COM2 to -access box with the Audio Modem Riser (AMR). • Wake-On-LAN: ... hardware to communicate within a standard protocol and create a higher level of I/O functions. The ACR specification supports modem, audio and LAN technologies. ASUS A7V266 User's Manual 9 FEATURES • PCI Expansion Slots: Five 32-bit PCI (Rev. 2.2) expansion slots that offers enhanced ACPI for Windows 98...
...throughput. • Advanced Communication Riser (ACR): Features an ACR slot for the Advanced Communication Riser card. The AFPANEL connector on the motherboard. UART2 can also be directed from COM2 to -access box with the Audio Modem Riser (AMR). • Wake-On-LAN: ... hardware to communicate within a standard protocol and create a higher level of I/O functions. The ACR specification supports modem, audio and LAN technologies. ASUS A7V266 User's Manual 9 FEATURES • PCI Expansion Slots: Five 32-bit PCI (Rev. 2.2) expansion slots that offers enhanced ACPI for Windows 98...
Motherboard DIY Troubleshooting Guide
Page 10
...of new financial, telephonic, and mobile access services. • PC'99 Compliant: Both the BIOS and hardware levels of ASUS smart series motherboards are based on the following high-level goals: Support for Plugn-Play compatibility and power management for configuring and managing all... components are PC'99 compliant. FEATURES 2.1.2 Performance • DDR DRAM Optimized Performance: This motherboard supports a new generation memory, Double Data Rate (DDR) Dynamic Random Access Memory (DDR DRAM). The chip supports software access to the memory and processor. 10 ASUS A7V266 User's Manual
...of new financial, telephonic, and mobile access services. • PC'99 Compliant: Both the BIOS and hardware levels of ASUS smart series motherboards are based on the following high-level goals: Support for Plugn-Play compatibility and power management for configuring and managing all... components are PC'99 compliant. FEATURES 2.1.2 Performance • DDR DRAM Optimized Performance: This motherboard supports a new generation memory, Double Data Rate (DDR) Dynamic Random Access Memory (DDR DRAM). The chip supports software access to the memory and processor. 10 ASUS A7V266 User's Manual
Motherboard DIY Troubleshooting Guide
Page 11
...The power LED indicates the system status. • Remote Ring-On (requires modem): This allows a computer to be monitored for RPM and failure. ASUS A7V266 User's Manual 11 With this benefit on-hand, users can be turned on the BIOS or OS setting (See PWR Button < 4 Secs in...8226; Auto Fan Off: The system fans powers off mode, depending on remotely through the ASUS ASIC. When the power button is pressed for future processors, so monitoring is necessary to critical motherboard components. This function reduces both energy consumption and system noise, and is an important feature...
...The power LED indicates the system status. • Remote Ring-On (requires modem): This allows a computer to be monitored for RPM and failure. ASUS A7V266 User's Manual 11 With this benefit on-hand, users can be turned on the BIOS or OS setting (See PWR Button < 4 Secs in...8226; Auto Fan Off: The system fans powers off mode, depending on remotely through the ASUS ASIC. When the power button is pressed for future processors, so monitoring is necessary to critical motherboard components. This function reduces both energy consumption and system noise, and is an important feature...
Motherboard DIY Troubleshooting Guide
Page 12
...Motherboard Components See opposite page for AMD® Athlon™ and Duron™ Processors 2 Feature Setting DIP Switches 3 Chipsets VIA® VT8366 North Bridge 1 VIA® VT8233 South Bridge 9 ASUS... Disk Drive Connector 10 2 IDE Connectors (UltraDMA/100 Support 6 1 ASUS iPanel Connector 8 1 Parallel Port Top) 23 2 Serial Ports (COM1...Connector Bottom) 26 Hardware Monitoring System Voltage Monitoring (integrated in ASUS ASIC) ......... 7 3 Fan Power and Speed Monitoring Connectors...only) CMI8738 6-Channel Audio Controller 13 1 ASUS iPanel Audio Connector 14 1 Game/MIDI ...
...Motherboard Components See opposite page for AMD® Athlon™ and Duron™ Processors 2 Feature Setting DIP Switches 3 Chipsets VIA® VT8366 North Bridge 1 VIA® VT8233 South Bridge 9 ASUS... Disk Drive Connector 10 2 IDE Connectors (UltraDMA/100 Support 6 1 ASUS iPanel Connector 8 1 Parallel Port Top) 23 2 Serial Ports (COM1...Connector Bottom) 26 Hardware Monitoring System Voltage Monitoring (integrated in ASUS ASIC) ......... 7 3 Fan Power and Speed Monitoring Connectors...only) CMI8738 6-Channel Audio Controller 13 1 ASUS iPanel Audio Connector 14 1 Game/MIDI ...
Motherboard DIY Troubleshooting Guide
Page 13
FEATURES 2.2.1 Component Locations 1 23 4 56 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 ASUS A7V266 User's Manual 13 FEATURES Motherboard Parts 2. 2.
FEATURES 2.2.1 Component Locations 1 23 4 56 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 ASUS A7V266 User's Manual 13 FEATURES Motherboard Parts 2. 2.
Motherboard DIY Troubleshooting Guide
Page 14
HARDWARE SETUP 3.1 Motherboard Layout PS/2 T: Mouse B: Keyboard KBWK USB1 USB2 USB01_PWR COM1 01 01 01 24.5cm (9.64in) DSW CPU_RATIO VID4 VID3 VID2 VID1 PALO_FREQ THEMCPU PARALLEL PORT ... ASIC with Hardware JEN Monitor CHA_FAN CHASSIS CHA IR_CON USB45_PWR IDELED USB23_PWR USB2_3 USB4_5 AFPANEL PANEL 14 ASUS A7V266 User's Manual H/W SETUP Motherboard Layout 3. DDR DIMM1 (64/72 bit, 184-pin module) DDR DIMM2 (64/72 bit, 184-pin module) DDR DIMM3 (64/72 bit, 184-pin module) ...
HARDWARE SETUP 3.1 Motherboard Layout PS/2 T: Mouse B: Keyboard KBWK USB1 USB2 USB01_PWR COM1 01 01 01 24.5cm (9.64in) DSW CPU_RATIO VID4 VID3 VID2 VID1 PALO_FREQ THEMCPU PARALLEL PORT ... ASIC with Hardware JEN Monitor CHA_FAN CHASSIS CHA IR_CON USB45_PWR IDELED USB23_PWR USB2_3 USB4_5 AFPANEL PANEL 14 ASUS A7V266 User's Manual H/W SETUP Motherboard Layout 3. DDR DIMM1 (64/72 bit, 184-pin module) DDR DIMM2 (64/72 bit, 184-pin module) DDR DIMM3 (64/72 bit, 184-pin module) ...
Motherboard DIY Troubleshooting Guide
Page 15
... p. 35 Audio Connectors (Three 1/8" AUDIO) (optional) 8) IDELED p. 36 IDE Activity LED (2 pin) 9) FLOPPY p. 36 Floppy Disk Drive Connector (34 pin) ASUS A7V266 User's Manual 15 H/W SETUP Layout Contents 3. HARDWARE SETUP 3.2 Layout Contents Motherboard Settings 1) JEN p. 18 JumperFree Mode Setting (Disable / Enable) 2) DIP_SW p. 19 CPU External Frequency Selection (Switches 1-4) 3) DSW p. 20 Manual CPU Ratio...
... p. 35 Audio Connectors (Three 1/8" AUDIO) (optional) 8) IDELED p. 36 IDE Activity LED (2 pin) 9) FLOPPY p. 36 Floppy Disk Drive Connector (34 pin) ASUS A7V266 User's Manual 15 H/W SETUP Layout Contents 3. HARDWARE SETUP 3.2 Layout Contents Motherboard Settings 1) JEN p. 18 JumperFree Mode Setting (Disable / Enable) 2) DIP_SW p. 19 CPU External Frequency Selection (Switches 1-4) 3) DSW p. 20 Manual CPU Ratio...
Motherboard DIY Troubleshooting Guide
Page 17
...to do so may cause severe damage to change motherboard function settings through the switches and/or jumpers. H/W SETUP Motherboard Settings 01 01 01 A7V266 A7V266 Onboard LED LED ON Standby Power OFF Powered Off ASUS A7V266 User's Manual 17 Install Expansion Cards 5. Configure ...the BIOS parameter settings 3.4 Motherboard Settings This section tells you install or remove...
...to do so may cause severe damage to change motherboard function settings through the switches and/or jumpers. H/W SETUP Motherboard Settings 01 01 01 A7V266 A7V266 Onboard LED LED ON Standby Power OFF Powered Off ASUS A7V266 User's Manual 17 Install Expansion Cards 5. Configure ...the BIOS parameter settings 3.4 Motherboard Settings This section tells you install or remove...
Motherboard DIY Troubleshooting Guide
Page 18
... Settings (DIP Switches) The motherboard frequency is adjusted through the BIOS setup (see 4.4 Advanced Menu). CPU_RATIO ON 12345 ON OFF A7V266 SYSCLK ON 1234 ON OFF A7V266 DIP Switch 1) JumperFree™ Mode (JEN) This jumper allows you to OFF. 18 ASUS A7V266 User's Manual The JumperFree™ mode allows processor settings to be made through...
... Settings (DIP Switches) The motherboard frequency is adjusted through the BIOS setup (see 4.4 Advanced Menu). CPU_RATIO ON 12345 ON OFF A7V266 SYSCLK ON 1234 ON OFF A7V266 DIP Switch 1) JumperFree™ Mode (JEN) This jumper allows you to OFF. 18 ASUS A7V266 User's Manual The JumperFree™ mode allows processor settings to be made through...
Motherboard DIY Troubleshooting Guide
Page 19
... CPU External Frequency Selection (DIP_SW Switches 1-4) This option tells the clock generator what frequency to send to the recommended settings. H/W SETUP Motherboard Settings 01 01 01 01 01 01 SYSCLK ON 1234 ON 1234 ON 1234 ON 1234 CPU 100MHz 133.33MHz 140MHz AGP 60.67MHz... ON ON 12345 CPU_RATIO 8X ON 12345 8.5X ON 12345 9X ON 12345 9.5X 12345 12345 12345 A7V266 CPU_RATIO 10X 10.5X (JumperFree Mode) A7V266 CPU External Clock (BUS) Frequency Selection ASUS A7V266 User's Manual 19 3. Frequencies other than the recommended CPU bus frequencies are not guaranteed to be set...
... CPU External Frequency Selection (DIP_SW Switches 1-4) This option tells the clock generator what frequency to send to the recommended settings. H/W SETUP Motherboard Settings 01 01 01 01 01 01 SYSCLK ON 1234 ON 1234 ON 1234 ON 1234 CPU 100MHz 133.33MHz 140MHz AGP 60.67MHz... ON ON 12345 CPU_RATIO 8X ON 12345 8.5X ON 12345 9X ON 12345 9.5X 12345 12345 12345 A7V266 CPU_RATIO 10X 10.5X (JumperFree Mode) A7V266 CPU External Clock (BUS) Frequency Selection ASUS A7V266 User's Manual 19 3. Frequencies other than the recommended CPU bus frequencies are not guaranteed to be set...
Motherboard DIY Troubleshooting Guide
Page 20
... the difference between the internal frequency between standard and new AMD CPUs. A7V266 A7V266 Voltage Setting JP1/JP2 12 3 JP1 JP2 12 3 12 3 2.5V 2.65V 2.75V (Default) 12 3 2.8V 20 ASUS A7V266 User's Manual 3. The Palomino processor will only function on this motherboard after the jumpers are adjusted to another, the jumper caps must be...
... the difference between the internal frequency between standard and new AMD CPUs. A7V266 A7V266 Voltage Setting JP1/JP2 12 3 JP1 JP2 12 3 12 3 2.5V 2.65V 2.75V (Default) 12 3 2.8V 20 ASUS A7V266 User's Manual 3. The Palomino processor will only function on this motherboard after the jumpers are adjusted to another, the jumper caps must be...
Motherboard DIY Troubleshooting Guide
Page 21
... in the Line-In, Line-Out, Mic female sockets. No audio standard exists for 4 or 6 speaker audio. A7V266 A7V266 Bass Center Setting BCS 12 23 type 1 Bass (CENTER/BASS) (Default) type 2 Bass (BASS/CENTER) ASUS A7V266 User's Manual 21 CPU Default means the Vcore is made using the C-Media Audio Driver software setup available... to the CPU VID configuration. Make sure a test is generated according to adjust output for the three pick-up surfaces on the CPU used. H/W SETUP Motherboard Settings 01 01 01 01 01 01 3. It is recommended to manually adjust the CPU core voltage.
... in the Line-In, Line-Out, Mic female sockets. No audio standard exists for 4 or 6 speaker audio. A7V266 A7V266 Bass Center Setting BCS 12 23 type 1 Bass (CENTER/BASS) (Default) type 2 Bass (BASS/CENTER) ASUS A7V266 User's Manual 21 CPU Default means the Vcore is made using the C-Media Audio Driver software setup available... to the CPU VID configuration. Make sure a test is generated according to adjust output for the three pick-up surfaces on the CPU used. H/W SETUP Motherboard Settings 01 01 01 01 01 01 3. It is recommended to manually adjust the CPU core voltage.
Motherboard DIY Troubleshooting Guide
Page 22
... the keyboard power up your computer. Setting Enable Disable KBWK [1-2] (default) [2-3] KBWK 12 Enable (Default) 23 Disable A7V266 A7V266 Keyboard Wake Up 9) ACR/USB Selection (ACRUSB1, ACRUSB2) (audio models only) When set both jumpers is 1-2. (NOTE...ASUS A7V266 User's Manual Setting the jumpers to Conn. The default setting for both jumpers accordingly when selecting a device. 3. HARDWARE SETUP 8) Keyboard Wake Up (KBWK) This allows you set in conjunction with Wake On PS2 KB/PS2 Mouse/CIR in 4.5.1 Power Up Control. H/W SETUP Motherboard Settings A7V266 A7V266...
... the keyboard power up your computer. Setting Enable Disable KBWK [1-2] (default) [2-3] KBWK 12 Enable (Default) 23 Disable A7V266 A7V266 Keyboard Wake Up 9) ACR/USB Selection (ACRUSB1, ACRUSB2) (audio models only) When set both jumpers is 1-2. (NOTE...ASUS A7V266 User's Manual Setting the jumpers to Conn. The default setting for both jumpers accordingly when selecting a device. 3. HARDWARE SETUP 8) Keyboard Wake Up (KBWK) This allows you set in conjunction with Wake On PS2 KB/PS2 Mouse/CIR in 4.5.1 Power Up Control. H/W SETUP Motherboard Settings A7V266 A7V266...
Motherboard DIY Troubleshooting Guide
Page 23
RAM refreshed; HARDWARE SETUP 10) USB Device Wake-up from S3 sleep state (no power to allow wake up . 2. NOTES: 1. H/W SETUP Motherboard Settings ASUS A7V266 User's Manual 23 The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal working conditions or in low power mode) ...
RAM refreshed; HARDWARE SETUP 10) USB Device Wake-up from S3 sleep state (no power to allow wake up . 2. NOTES: 1. H/W SETUP Motherboard Settings ASUS A7V266 User's Manual 23 The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal working conditions or in low power mode) ...
Motherboard DIY Troubleshooting Guide
Page 24
.... 6. The default setting, [1-2], is for Athlon/Duron and, [2-3], is powered by the onboard button cell battery. H/W SETUP Motherboard Settings A7V266 A7V266 Clear RTC RAM CR2032 3V Lithium Cell CMOS Power CLRTC Remove and then replace the jumper cap. 12) Thermal Sensor CPU Setting ..., time, and system setup parameters by removing and replacing the jumper cap. 4. THEMCPU 12 23 ATHLON/DURON (Default) RESERVED A7V266 A7V266 THEMCPU Setting 24 ASUS A7V266 User's Manual To erase the RTC RAM: 1. 3. The RAM data in CMOS. Turn OFF the computer and unplug the ...
.... 6. The default setting, [1-2], is for Athlon/Duron and, [2-3], is powered by the onboard button cell battery. H/W SETUP Motherboard Settings A7V266 A7V266 Clear RTC RAM CR2032 3V Lithium Cell CMOS Power CLRTC Remove and then replace the jumper cap. 12) Thermal Sensor CPU Setting ..., time, and system setup parameters by removing and replacing the jumper cap. 4. THEMCPU 12 23 ATHLON/DURON (Default) RESERVED A7V266 A7V266 THEMCPU Setting 24 ASUS A7V266 User's Manual To erase the RTC RAM: 1. 3. The RAM data in CMOS. Turn OFF the computer and unplug the ...
Motherboard DIY Troubleshooting Guide
Page 25
H/W SETUP System Memory ASUS A7V266 User's Manual 25 One side (with memory chips) of 64MB, 128MB, 256MB, 512MB, and 1GB to form a memory size between 64MB...128MB, 256MB, 512MB, 1GB x1 64MB, 128MB, 256MB, 512MB, 1GB x1 Total System Memory (Max 3GB) = 3. HARDWARE SETUP 3.5 System Memory This motherboard features three Double Data Rate (DDR) Dual Inline Memory Module sockets. 3.5.1 DDR DIMM Support The two DDR DIMM sockets support 2.5Volt (power level) unbuffered/registered...) of the DIMM takes up one row on desktops/laptops). DDR DIMMs support non-ECC memory (used on the motherboard.
H/W SETUP System Memory ASUS A7V266 User's Manual 25 One side (with memory chips) of 64MB, 128MB, 256MB, 512MB, and 1GB to form a memory size between 64MB...128MB, 256MB, 512MB, 1GB x1 64MB, 128MB, 256MB, 512MB, 1GB x1 Total System Memory (Max 3GB) = 3. HARDWARE SETUP 3.5 System Memory This motherboard features three Double Data Rate (DDR) Dual Inline Memory Module sockets. 3.5.1 DDR DIMM Support The two DDR DIMM sockets support 2.5Volt (power level) unbuffered/registered...) of the DIMM takes up one row on desktops/laptops). DDR DIMMs support non-ECC memory (used on the motherboard.