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... 3.5.2 Memory Installation 26 3.6 Central Processing Unit (CPU 27 3.7 Expansion Cards 28 3.7.1 Expansion Card Installation Procedure 28 3.7.2 Assigning IRQs for Expansion Cards 30 3.7.3 Accelerated Graphics Port Pro (AGP Pro 30 3.7.4 Audio Modem Riser (AMR) Slot 32 3.8 External Connectors 33 3.9 Starting Up the First Time 45 4. FEATURES 8 2.1 The ASUS A7M266 8 2.1.1 Specifications 8 2.1.2 Specifications - BIOS SETUP 47...
... 3.5.2 Memory Installation 26 3.6 Central Processing Unit (CPU 27 3.7 Expansion Cards 28 3.7.1 Expansion Card Installation Procedure 28 3.7.2 Assigning IRQs for Expansion Cards 30 3.7.3 Accelerated Graphics Port Pro (AGP Pro 30 3.7.4 Audio Modem Riser (AMR) Slot 32 3.8 External Connectors 33 3.9 Starting Up the First Time 45 4. FEATURES 8 2.1 The ASUS A7M266 8 2.1.1 Specifications 8 2.1.2 Specifications - BIOS SETUP 47...
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..., among others, high multimedia requirements. • Stepless Frequency Selection: Allows CPU external (FSB) frequency settings to 100MB/sec; It is enabled. 2. FEATURES Specifications 2. FEATURES 2.1 The ASUS A7M266 The ASUS A7M266 motherboard is the newest memory standard with support for 4X, 2X and 1X... supports a 266MHz Front Side Bus (FSB), supports DDR SDRAM DIMM, complies with support for more peripheral connectivity options. 8 ASUS A7M266 User's Manual Appendix). • Wake-On-Ring Connector: Supports Wake-On-Ring activity through a PCI modem card that support...
..., among others, high multimedia requirements. • Stepless Frequency Selection: Allows CPU external (FSB) frequency settings to 100MB/sec; It is enabled. 2. FEATURES Specifications 2. FEATURES 2.1 The ASUS A7M266 The ASUS A7M266 motherboard is the newest memory standard with support for 4X, 2X and 1X... supports a 266MHz Front Side Bus (FSB), supports DDR SDRAM DIMM, complies with support for more peripheral connectivity options. 8 ASUS A7M266 User's Manual Appendix). • Wake-On-Ring Connector: Supports Wake-On-Ring activity through a PCI modem card that support...
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...reserved for wireless interfacing with high speed PCI v2.1 bus controller and legacy SB® DSP audio emulator. FEATURES Specifications 2. ASUS A7M266 User's Manual 9 With an ASUS iPanel, you can monitor your computer system's vital components. • PC Health Monitoring: Provides an easy way to examine ...LAN cards (PCI supports up , and OnNow initiatives to the memory and processor. • Smart BIOS: 2Mb firmware provides Vcore and CPU/SDRAM frequency adjustments, boot block write protection, and HD/SCSI/MO/ZIP/CD/Floppy boot selection. • Integrated Infrared (IrDA) Support...
...reserved for wireless interfacing with high speed PCI v2.1 bus controller and legacy SB® DSP audio emulator. FEATURES Specifications 2. ASUS A7M266 User's Manual 9 With an ASUS iPanel, you can monitor your computer system's vital components. • PC Health Monitoring: Provides an easy way to examine ...LAN cards (PCI supports up , and OnNow initiatives to the memory and processor. • Smart BIOS: 2Mb firmware provides Vcore and CPU/SDRAM frequency adjustments, boot block write protection, and HD/SCSI/MO/ZIP/CD/Floppy boot selection. • Integrated Infrared (IrDA) Support...
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... All fans are set for more protection. Suggestions will warn the user before the system resources are messages waiting in 4.5 Power Menu). ASUS A7M266 User's Manual 11 A simple glimpse provides useful information to the user. • Remote Ring On (requires modem): This allows a computer...supply, and system fans can access vital information from their limited resources more efficiently. • Temperature Monitoring and Alert: CPU temperature is monitored by the ASUS ASIC to be monitored for more than 4 seconds when the system is kept in the world! • System Resources ...
... All fans are set for more protection. Suggestions will warn the user before the system resources are messages waiting in 4.5 Power Menu). ASUS A7M266 User's Manual 11 A simple glimpse provides useful information to the user. • Remote Ring On (requires modem): This allows a computer...supply, and system fans can access vital information from their limited resources more efficiently. • Temperature Monitoring and Alert: CPU temperature is monitored by the ASUS ASIC to be monitored for more than 4 seconds when the system is kept in the world! • System Resources ...
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...2. FEATURES 2.2 Motherboard Components See opposite page for AMD Athlon/Duron Processors 2 (NOTE: A CPU thermal sensor is integrated on the motherboard, located near the center of the CPU heat source, just below the CPU socket) Chipsets AMD 761 system controller 1 VIA VT82C686B PCIset 8 2Mbit Programmable Flash EEPROM 6 Main... 14 1 LAN (RJ45) Connector Top) 23 Wake-On-LAN Connector 12 Wake-On-Ring Connector 10 Hardware Monitoring ASUS ASIC 9 3 Fan Power and Speed Monitoring Connectors Power ATX Power Supply Connector 18 Special Feature Onboard LED 11 Form Factor ATX 12...
...2. FEATURES 2.2 Motherboard Components See opposite page for AMD Athlon/Duron Processors 2 (NOTE: A CPU thermal sensor is integrated on the motherboard, located near the center of the CPU heat source, just below the CPU socket) Chipsets AMD 761 system controller 1 VIA VT82C686B PCIset 8 2Mbit Programmable Flash EEPROM 6 Main... 14 1 LAN (RJ45) Connector Top) 23 Wake-On-LAN Connector 12 Wake-On-Ring Connector 10 Hardware Monitoring ASUS ASIC 9 3 Fan Power and Speed Monitoring Connectors Power ATX Power Supply Connector 18 Special Feature Onboard LED 11 Form Factor ATX 12...
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...p. 21 USB Device Wake Up (+5V / +5VSB) 5) AUDIO_EN p. 21 Onboard PCI Audio Setting (Disable / Enable) 6) DSCKF 1-4 p. 22 CPU External Frequency Setting 7) VID1/VID2/VID3/VID4 p. 24 Voltage Regulator Output Setting Expansion Slots/Sockets 1) DDR System Memory p. 25 System Memory Support 2) ... (2 pins) 15) CHA_FAN PWR_FAN CPU_FAN NB_FAN p. 39 Chassis, Power Supply, CPU, Chipset Fan Connectors (3 pins) 16) USBPORT p. 40 USB Header (10-1 pins) 17) SMB p. 40 SMBus Connector (5-1 pins) 18) AFPANEL p. 41 ASUS iPanel Connector (24-1 pins) continued... ASUS A7M266 User's Manual 15
...p. 21 USB Device Wake Up (+5V / +5VSB) 5) AUDIO_EN p. 21 Onboard PCI Audio Setting (Disable / Enable) 6) DSCKF 1-4 p. 22 CPU External Frequency Setting 7) VID1/VID2/VID3/VID4 p. 24 Voltage Regulator Output Setting Expansion Slots/Sockets 1) DDR System Memory p. 25 System Memory Support 2) ... (2 pins) 15) CHA_FAN PWR_FAN CPU_FAN NB_FAN p. 39 Chassis, Power Supply, CPU, Chipset Fan Connectors (3 pins) 16) USBPORT p. 40 USB Header (10-1 pins) 17) SMB p. 40 SMBus Connector (5-1 pins) 18) AFPANEL p. 41 ASUS iPanel Connector (24-1 pins) continued... ASUS A7M266 User's Manual 15
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Connect Ribbon Cables, Panel Wires, and Power Supply 6. H/W SETUP Getting Started ASUS A7M266 User's Manual 17 Install Memory Modules 3. Check Motherboard Settings 2. 3. Install the Central Processing Unit (CPU) 4. Setup the BIOS Software 3. Install Expansion Cards 5. HARDWARE SETUP 3.3 Getting Started Before using your computer, you must complete the following steps: 1.
Connect Ribbon Cables, Panel Wires, and Power Supply 6. H/W SETUP Getting Started ASUS A7M266 User's Manual 17 Install Memory Modules 3. Check Motherboard Settings 2. 3. Install the Central Processing Unit (CPU) 4. Setup the BIOS Software 3. Install Expansion Cards 5. HARDWARE SETUP 3.3 Getting Started Before using your computer, you must complete the following steps: 1.
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...; A7M266 USB Device Wake Up USBPWR1 USBPWR2 12 23 +5VSB +5V (default) 5) Onboard PCI Audio Setting (AUDIO_EN) (optional) The onboard PCI audio may be enabled or disabled using connected USB devices and +5VSB to allow wake up from the S1 sleep state (CPU stopped; 3....5V because not all computers have the appropriate ATX power supply. Setting Disable Enable AUDIO_EN [1-2] [2-3] (default) A7M266 ® AUDIO_EN 12 23 Disable Enable (Default) A7M266 Onboard Audio Setting ASUS A7M266 User's Manual 21 power supply in slow refresh; Your computer will not power ON if you set to...
...; A7M266 USB Device Wake Up USBPWR1 USBPWR2 12 23 +5VSB +5V (default) 5) Onboard PCI Audio Setting (AUDIO_EN) (optional) The onboard PCI audio may be enabled or disabled using connected USB devices and +5VSB to allow wake up from the S1 sleep state (CPU stopped; 3....5V because not all computers have the appropriate ATX power supply. Setting Disable Enable AUDIO_EN [1-2] [2-3] (default) A7M266 ® AUDIO_EN 12 23 Disable Enable (Default) A7M266 Onboard Audio Setting ASUS A7M266 User's Manual 21 power supply in slow refresh; Your computer will not power ON if you set to...
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... set to be set the CPU Frequency). The CPU External Frequency multiplied by the Frequency Multiple equals the CPU's Internal frequency (the advertised CPU speed). To use BIOS setup in place of these switches (set Operating Frequency Setting to User Define under 4.4 Advanced Menu in 3. H/W SETUP Motherboard Settings 22 ASUS A7M266 User's Manual In JumperFree mode...
... set to be set the CPU Frequency). The CPU External Frequency multiplied by the Frequency Multiple equals the CPU's Internal frequency (the advertised CPU speed). To use BIOS setup in place of these switches (set Operating Frequency Setting to User Define under 4.4 Advanced Menu in 3. H/W SETUP Motherboard Settings 22 ASUS A7M266 User's Manual In JumperFree mode...
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... Set the DIP switches by the internal speed of your processor as follows: CPU Athlon Athlon Athlon Athlon Athlon Athlon Athlon Athlon Athlon Athlon Athlon Athlon Freq. ... 11.0x 10.0x 9.5x 9.0x 8.5x 8.0x 7.5x 7.0x 6.5x 6.0x Bus F. 133MHz 133MHz 100MHz 100MHz 100MHz 100MHz 100MHz 100MHz 100MHz 100MHz 100MHz 100MHz (CPU Bus Freq.) 1 2 3 4 [ON] [ON] [ON] [OFF] [ON] [ON] [ON] [OFF] [ON] [OFF] [ON] [ON] [...[ON] [ON] [ON] [OFF] [ON] [ON] For updated processor settings, visit the ASUS web site (see ASUS CONTACT INFORMATION). 3. H/W SETUP Motherboard Settings ASUS A7M266 User's Manual 23
... Set the DIP switches by the internal speed of your processor as follows: CPU Athlon Athlon Athlon Athlon Athlon Athlon Athlon Athlon Athlon Athlon Athlon Athlon Freq. ... 11.0x 10.0x 9.5x 9.0x 8.5x 8.0x 7.5x 7.0x 6.5x 6.0x Bus F. 133MHz 133MHz 100MHz 100MHz 100MHz 100MHz 100MHz 100MHz 100MHz 100MHz 100MHz 100MHz (CPU Bus Freq.) 1 2 3 4 [ON] [ON] [ON] [OFF] [ON] [ON] [ON] [OFF] [ON] [OFF] [ON] [ON] [...[ON] [ON] [ON] [OFF] [ON] [ON] For updated processor settings, visit the ASUS web site (see ASUS CONTACT INFORMATION). 3. H/W SETUP Motherboard Settings ASUS A7M266 User's Manual 23
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For each jumper setting, there are two voltage options, depending on the CPU used. It is generated according to the CPU VID configuration. A7M266 ® A7M266 CPU Core Voltage Selection 01 01 1234 VID4 1234 1234 VID3 VID2 VID1 1.85/1.825Volts ...225Volts 1.20/1.175Volts 1.15/1.125Volts VID4 VID3 VID2 VID1 1.10/1.075Volts CPU Default/ JumperFree (Default) 3. CPU Default means the Vcore is recommended to manually adjust the CPU core voltage. 3. H/W SETUP Motherboard Settings 24 ASUS A7M266 User's Manual HARDWARE SETUP 7) Voltage Regulator Output Setting (VID1, ...
For each jumper setting, there are two voltage options, depending on the CPU used. It is generated according to the CPU VID configuration. A7M266 ® A7M266 CPU Core Voltage Selection 01 01 1234 VID4 1234 1234 VID3 VID2 VID1 1.85/1.825Volts ...225Volts 1.20/1.175Volts 1.15/1.125Volts VID4 VID3 VID2 VID1 1.10/1.075Volts CPU Default/ JumperFree (Default) 3. CPU Default means the Vcore is recommended to manually adjust the CPU core voltage. 3. H/W SETUP Motherboard Settings 24 ASUS A7M266 User's Manual HARDWARE SETUP 7) Voltage Regulator Output Setting (VID1, ...
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...pin DIMM Total Memory 64MB, 128MB, 256MB, 512MB, 1GB x1 64MB, 128MB, 256MB, 512MB, 1GB x1 Total System Memory (Max 2GB) = ASUS A7M266 Qualified DDR DIMM Vendor List The following lists the memory modules that have been tested and qualified for 2.5Volt (power level) unbuffered/registered Double Data...one row on desktops/laptops) available in registered (typically used in servers) and unbuffered (typically used in any combination as the CPU front side bus. Install memory in PCs) versions. 3. Vendor Model Type / Size Manufacturer Samsung Samsung Samsung Samsung Micron Micron ...
...pin DIMM Total Memory 64MB, 128MB, 256MB, 512MB, 1GB x1 64MB, 128MB, 256MB, 512MB, 1GB x1 Total System Memory (Max 2GB) = ASUS A7M266 Qualified DDR DIMM Vendor List The following lists the memory modules that have been tested and qualified for 2.5Volt (power level) unbuffered/registered Double Data...one row on desktops/laptops) available in registered (typically used in servers) and unbuffered (typically used in any combination as the CPU front side bus. Install memory in PCs) versions. 3. Vendor Model Type / Size Manufacturer Samsung Samsung Samsung Samsung Micron Micron ...
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... WARNING! Make sure that you use only PC1600-/ PC2100-compliant DIMMs. • ASUS motherboards support SPD (Serial Presence Detect) DIMMs. This is the memory of differential clock signals per DIMM. 26 ASUS A7M266 User's Manual Because the number of pins are not supported on bootup screen. ...Hardware Setup Procedure for best performance vs. stability. • BIOS shows SDRAM memory on this motherboard. • For the system CPU bus to both your power supply when adding or removing memory modules or other system components. Be sure that have more information). ...
... WARNING! Make sure that you use only PC1600-/ PC2100-compliant DIMMs. • ASUS motherboards support SPD (Serial Presence Detect) DIMMs. This is the memory of differential clock signals per DIMM. 26 ASUS A7M266 User's Manual Because the number of pins are not supported on bootup screen. ...Hardware Setup Procedure for best performance vs. stability. • BIOS shows SDRAM memory on this motherboard. • For the system CPU bus to both your power supply when adding or removing memory modules or other system components. Be sure that have more information). ...
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... set before you should be possible. 3. CAUTION! Make sure that the CPU is mounted tightly against the processor. NOTES 1. H/W SETUP CPU 01 01 A7M266 ® LOCK AMD™ Athlon A7M266 Socket A ASUS A7M266 User's Manual BLANK LEVER NOTCH 27 When inserting or removing the CPU, make sure the ZIF socket arm is fully extended (90˚-100...
... set before you should be possible. 3. CAUTION! Make sure that the CPU is mounted tightly against the processor. NOTES 1. H/W SETUP CPU 01 01 A7M266 ® LOCK AMD™ Athlon A7M266 Socket A ASUS A7M266 User's Manual BLANK LEVER NOTCH 27 When inserting or removing the CPU, make sure the ZIF socket arm is fully extended (90˚-100...
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...+12V GND NB-FAN 01 01 NC +12V GND A7M266 ® CHA_FAN Rotation +12V GND A7M266 12-Volt Cooling Fan Power 3. Orientate the fans so that the heat sink fins allow airflow to be monitored using ASUS PC Probe (see 6. WARNING! SOFTWARE REFERENCE). These are...NOTE: The "Rotation" signal is no airflow across the onboard heat sink(s) instead of the connector. H/W SETUP Connectors ASUS A7M266 User's Manual 39 HARDWARE SETUP 15) Chassis, Power Supply, CPU, and Chipset Fan Connectors (3-pin CHA_FAN, PWR_FAN, CPU_FAN, NB_FAN) These connectors support cooling fans of 350mA (4.2 Watts...
...+12V GND NB-FAN 01 01 NC +12V GND A7M266 ® CHA_FAN Rotation +12V GND A7M266 12-Volt Cooling Fan Power 3. Orientate the fans so that the heat sink fins allow airflow to be monitored using ASUS PC Probe (see 6. WARNING! SOFTWARE REFERENCE). These are...NOTE: The "Rotation" signal is no airflow across the onboard heat sink(s) instead of the connector. H/W SETUP Connectors ASUS A7M266 User's Manual 39 HARDWARE SETUP 15) Chassis, Power Supply, CPU, and Chipset Fan Connectors (3-pin CHA_FAN, PWR_FAN, CPU_FAN, NB_FAN) These connectors support cooling fans of 350mA (4.2 Watts...
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... frequency beeps when system is working Meaning No error during POST No DRAM installed or detected Video card not found or video card memory bad CPU overheated System running , the BIOS will alarm beeps or additional messages will light when the ATX power switch is equipped with "green" standards...LED on the front panel of the case. 6. Connect the power supply cord into a power outlet that all connections are running at a lower frequency ASUS A7M266 User's Manual 45 You may then turn on the power, the system may light up or switch between orange and green after the system's if...
... frequency beeps when system is working Meaning No error during POST No DRAM installed or detected Video card not found or video card memory bad CPU overheated System running , the BIOS will alarm beeps or additional messages will light when the ATX power switch is equipped with "green" standards...LED on the front panel of the case. 6. Connect the power supply cord into a power outlet that all connections are running at a lower frequency ASUS A7M266 User's Manual 45 You may then turn on the power, the system may light up or switch between orange and green after the system's if...
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...100MHz. See System Hangup later in 1MHz increments. The bus frequency (external frequency) multiplied by the bus multiple equals the CPU speed (the CPU's internal frequency). Select [User Define] if you to increase/decrease the system frequency in this field allows you to [...is set to configure the external frequency of your CPU. Set System Operation Frequency (when Operating Frequency Setting is set to [User Define]) This allows you want to make changes to JumperFree™ mode, this section. 60 ASUS A7M266 User's Manual BIOS SETUP Advanced Menu Operating Frequency...
...100MHz. See System Hangup later in 1MHz increments. The bus frequency (external frequency) multiplied by the bus multiple equals the CPU speed (the CPU's internal frequency). Select [User Define] if you to increase/decrease the system frequency in this field allows you to [...is set to configure the external frequency of your CPU. Set System Operation Frequency (when Operating Frequency Setting is set to [User Define]) This allows you want to make changes to JumperFree™ mode, this section. 60 ASUS A7M266 User's Manual BIOS SETUP Advanced Menu Operating Frequency...
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... the system to detect a PS/2 mouse on startup. If not detected, the USB controller will be disabled. BIOS SETUP Advanced Menu ASUS A7M266 User's Manual 61 In the default position of greater than 64MB, you need to set to turn on startup. If detected, the... PS/2 mouse. otherwise, leave this option to [Enabled]; 4. BIOS SETUP Spread Spectrum Control [Enabled] Leave on all processors during system bootup. CPU Level 1 Cache, CPU Level 2 Cache [Enabled] These fields allow you are using OS/2 operating systems with the required data. Configuration options: [Disabled] [Enabled] ...
... the system to detect a PS/2 mouse on startup. If not detected, the USB controller will be disabled. BIOS SETUP Advanced Menu ASUS A7M266 User's Manual 61 In the default position of greater than 64MB, you need to set to turn on startup. If detected, the... PS/2 mouse. otherwise, leave this option to [Enabled]; 4. BIOS SETUP Spread Spectrum Control [Enabled] Leave on all processors during system bootup. CPU Level 1 Cache, CPU Level 2 Cache [Enabled] These fields allow you are using OS/2 operating systems with the required data. Configuration options: [Disabled] [Enabled] ...
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You will start up in safe mode running at a DRAM-to-CPU frequency ratio of 3:3 and a bus speed of 100MHz. 4. BIOS SETUP Notes for JumperFree Mode System Hangup If your system crashes or hangs due to adjust the configurations. 4. BIOS SETUP JumperFree Mode 62 ASUS A7M266 User's Manual The system will then be led to BIOS setup to improper frequency settings, power OFF your system and restart.
You will start up in safe mode running at a DRAM-to-CPU frequency ratio of 3:3 and a bus speed of 100MHz. 4. BIOS SETUP Notes for JumperFree Mode System Hangup If your system crashes or hangs due to adjust the configurations. 4. BIOS SETUP JumperFree Mode 62 ASUS A7M266 User's Manual The system will then be led to BIOS setup to improper frequency settings, power OFF your system and restart.
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...] When set to [Enabled], the AMD-761 chipset internally bypasses certain memory to CPU pipe stages for up to 30% performance gain over standard AGP 4X mode. Configuration options: [Enabled] [Disabled] AGP Single Driving [Enabled] Configuration options: [Enabled] [Disabled] ASUS A7M266 User's Manual 63 Configuration options: [Enabled] [Disabled] Super Bypass Wait State [Enabled...
...] When set to [Enabled], the AMD-761 chipset internally bypasses certain memory to CPU pipe stages for up to 30% performance gain over standard AGP 4X mode. Configuration options: [Enabled] [Disabled] AGP Single Driving [Enabled] Configuration options: [Enabled] [Disabled] ASUS A7M266 User's Manual 63 Configuration options: [Enabled] [Disabled] Super Bypass Wait State [Enabled...