A55M-A User's Manual
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... serial number of this email address). SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE...
... serial number of this email address). SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE...
A55M-A User's Manual
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... 1-7 1.4.1 APU installation 1-8 1.4.2 APU heatsink and fan assembly installation 1-9 1.5 System memory 1-11 1.5.1 Overview 1-11 1.5.2 Memory configurations 1-12 1.5.3 Installing a DIMM 1-17 1.6 Expansion slots 1-18 1.6.1 Installing an expansion card 1-18 1.6.2 Configuring an expansion card 1-18 1.6.3 PCI slot 1-18 1.6.4 PCI Express x1 slot 1-18 1.6.5 PCI Express x16 slot 1-18 1.7 Jumpers...1-20 1.8 Connectors 1-22 1.8.1 Rear panel ports 1-22 1.8.2 Internal connectors 1-23 1.9 Software support 1-29 1.9.1 Installing an operating system 1-29 1.9.2 Support DVD information 1-29...
... 1-7 1.4.1 APU installation 1-8 1.4.2 APU heatsink and fan assembly installation 1-9 1.5 System memory 1-11 1.5.1 Overview 1-11 1.5.2 Memory configurations 1-12 1.5.3 Installing a DIMM 1-17 1.6 Expansion slots 1-18 1.6.1 Installing an expansion card 1-18 1.6.2 Configuring an expansion card 1-18 1.6.3 PCI slot 1-18 1.6.4 PCI Express x1 slot 1-18 1.6.5 PCI Express x16 slot 1-18 1.7 Jumpers...1-20 1.8 Connectors 1-22 1.8.1 Rear panel ports 1-22 1.8.2 Internal connectors 1-23 1.9 Software support 1-29 1.9.1 Installing an operating system 1-29 1.9.2 Support DVD information 1-29...
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....amd.com/us/products/technologies/dual-graphics/ Pages/dual-graphics.aspx#3 for the discrete GPUs which support Dual Graphics technology. Expansion slots 1 x PCIe 2.0 x16 slot 1 x PCIe 2.0 x1 slots 1 x PCI slot Storage / RAID AMD® A55 FCH: - 6 x Serial ATA 3.0Gb/s connectors support RAID 0, RAID 1, RAID 10 and JBOD configurations LAN Realtek® 8111F PCIe Gigabit LAN controller Audio Realtek® ALC887-VD 8-channel High Definition Audio CODEC • Use a chassis with HD audio module in the A-Series APU Supports HDMI with a maximum resolution of 1920x1080@60Hz Supports Dual...
....amd.com/us/products/technologies/dual-graphics/ Pages/dual-graphics.aspx#3 for the discrete GPUs which support Dual Graphics technology. Expansion slots 1 x PCIe 2.0 x16 slot 1 x PCIe 2.0 x1 slots 1 x PCI slot Storage / RAID AMD® A55 FCH: - 6 x Serial ATA 3.0Gb/s connectors support RAID 0, RAID 1, RAID 10 and JBOD configurations LAN Realtek® 8111F PCIe Gigabit LAN controller Audio Realtek® ALC887-VD 8-channel High Definition Audio CODEC • Use a chassis with HD audio module in the A-Series APU Supports HDMI with a maximum resolution of 1920x1080@60Hz Supports Dual...
A55M-A User's Manual
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... ports (A55M-A only) 8-channel audio I/O ports (3-jack) Internal I/O connectors / buttons / switches 2 x USB 2.0/1.1 connectors support additional 4 USB 2.0/1.1 ports 6 x SATA 3.0Gb/s connectors 1 x System panel connector 1 x Internal Speaker connector 1 x CPU fan connector (4-pin) 1 x S/PDIF output connector 1 x Chassis fan connector (3-pin) 1 x High-definition front panel audio connector 1 x 24-pin EATX power connector 1 x 4-pin ATX 12V power connector BIOS 32 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI 2.0, WfM 2.0, SM BIOS 2.6, ACPI 2.0a, Multi-language BIOS Support DVD Drivers ASUS Update...
... ports (A55M-A only) 8-channel audio I/O ports (3-jack) Internal I/O connectors / buttons / switches 2 x USB 2.0/1.1 connectors support additional 4 USB 2.0/1.1 ports 6 x SATA 3.0Gb/s connectors 1 x System panel connector 1 x Internal Speaker connector 1 x CPU fan connector (4-pin) 1 x S/PDIF output connector 1 x Chassis fan connector (3-pin) 1 x High-definition front panel audio connector 1 x 24-pin EATX power connector 1 x 4-pin ATX 12V power connector BIOS 32 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI 2.0, WfM 2.0, SM BIOS 2.6, ACPI 2.0a, Multi-language BIOS Support DVD Drivers ASUS Update...
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... during a specific time period to update the BIOS without using a bootable floppy disk or an OS-based utility. 1-2 Chapter 1: Product introduction ASUS UEFI BIOS includes the following new features: • F12 BIOS snapshot hotkey • F3 Shortcut for enhanced online convenience. ASUS Fan Xpert ASUS Fan Xpert intelligently allows you to launch and operate these utilities simultaneously. Auto PPPoE network connection povides a onestep setup for most accessed information • ASUS DRAM SPD (Serial Presence...
... during a specific time period to update the BIOS without using a bootable floppy disk or an OS-based utility. 1-2 Chapter 1: Product introduction ASUS UEFI BIOS includes the following new features: • F12 BIOS snapshot hotkey • F3 Shortcut for enhanced online convenience. ASUS Fan Xpert ASUS Fan Xpert intelligently allows you to launch and operate these utilities simultaneously. Auto PPPoE network connection povides a onestep setup for most accessed information • ASUS DRAM SPD (Serial Presence...
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... (APU) This motherboard comes with AMD® Radeon™ HD 7000 series graphics. The APU fits in only one correct orientation. A55M-A/USB3 A55M-A/USB3 CPU socket FM2 ASUS A55M-A Series 1-7 CPU fan connector (4-pin CPU_FAN) and Chassis fan connector (3-pin CHA_FAN) 5. Front panel audio connector (10-1 pin AAFP) 14. SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) 7. Ensure that you use a APU designed for AMD® A-series accelerated processors with an FM2 socket designed for the FM2 socket. Keyboard power (3-pin KB_USBPWB) 2. USB device wake-up (3-pin USBPWF) 12.
... (APU) This motherboard comes with AMD® Radeon™ HD 7000 series graphics. The APU fits in only one correct orientation. A55M-A/USB3 A55M-A/USB3 CPU socket FM2 ASUS A55M-A Series 1-7 CPU fan connector (4-pin CPU_FAN) and Chassis fan connector (3-pin CHA_FAN) 5. Front panel audio connector (10-1 pin AAFP) 14. SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) 7. Ensure that you use a APU designed for AMD® A-series accelerated processors with an FM2 socket designed for the FM2 socket. Keyboard power (3-pin KB_USBPWB) 2. USB device wake-up (3-pin USBPWF) 12.
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... a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.6.4 PCI Express x1 slot This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the slot and press firmly until the card is already installed in a chassis). 3. Keep the screw for the expansion card. Replace the system cover. 1.6.2 Configuring an expansion card After installing the expansion card, configure it and make the necessary hardware settings for information on the system and change...
... a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.6.4 PCI Express x1 slot This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the slot and press firmly until the card is already installed in a chassis). 3. Keep the screw for the expansion card. Replace the system cover. 1.6.2 Configuring an expansion card After installing the expansion card, configure it and make the necessary hardware settings for information on the system and change...
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... low power mode) using the connected USB devices. USB device wake-up (3-pin USBPFW) Set these jumpers to +5V to wake up from S3 and S4 sleep modes (no power to wake up the computer from S1 sleep mode (CPU stopped, DRAM refreshed, system running in the BIOS. A55M-A/USB3 USBPWF 12 23 +5V +5VSB (Default) A55M-A/USB3 USB device wake up • The USB device wake-up feature requires a power supply that can supply at least 1A on the keyboard. This feature requires an ATX power supply...
... low power mode) using the connected USB devices. USB device wake-up (3-pin USBPFW) Set these jumpers to +5V to wake up from S3 and S4 sleep modes (no power to wake up the computer from S1 sleep mode (CPU stopped, DRAM refreshed, system running in the BIOS. A55M-A/USB3 USBPWF 12 23 +5V +5VSB (Default) A55M-A/USB3 USB device wake up • The USB device wake-up feature requires a power supply that can supply at least 1A on the keyboard. This feature requires an ATX power supply...
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... isn't compatible with DVI-I 10. CPU and chassis fan connectors (4-pin CPU_FAN, and 3-pin CHA_FAN) Connect the fan cables to the fan connectors on the fan connectors. • The CPU_FAN connector supports a CPU fan of maximum 2A (24 W) fan power. • Only the CPU_FAN connector support the ASUS Fan Xpert feature. USB 2.0 ports 1 and 2. HDMI port. CPU FAN PWM CPU FAN IN CPU FAN PWR GND Rotation +12V GND ASUS A55M-A Series 1-23 DVI-D port. PS/2 Keyboard port (purple). Insufficient air flow inside the system may damage the motherboard components. USB 3.0 ports 11...
... isn't compatible with DVI-I 10. CPU and chassis fan connectors (4-pin CPU_FAN, and 3-pin CHA_FAN) Connect the fan cables to the fan connectors on the fan connectors. • The CPU_FAN connector supports a CPU fan of maximum 2A (24 W) fan power. • Only the CPU_FAN connector support the ASUS Fan Xpert feature. USB 2.0 ports 1 and 2. HDMI port. CPU FAN PWM CPU FAN IN CPU FAN PWR GND Rotation +12V GND ASUS A55M-A Series 1-23 DVI-D port. PS/2 Keyboard port (purple). Insufficient air flow inside the system may damage the motherboard components. USB 3.0 ports 11...
A55M-A User's Manual
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... run the Support DVD Place the Support DVD into the optical drive. 1.9 Software support 1.9.1 Installing an operating system This motherboard supports Windows® XP / Vista / Windows® 7 / Windows® 8 Operating Systems (OS). If Autorun is enabled in your hardware. • Motherboard settings and hardware options vary. The contents of your computer, the DVD automatically displays the Specials screen. ASUS A55M-A Series 1-29 Always install the latest OS version and corresponding updates to change at www.asus.com for...
... run the Support DVD Place the Support DVD into the optical drive. 1.9 Software support 1.9.1 Installing an operating system This motherboard supports Windows® XP / Vista / Windows® 7 / Windows® 8 Operating Systems (OS). If Autorun is enabled in your hardware. • Motherboard settings and hardware options vary. The contents of your computer, the DVD automatically displays the Specials screen. ASUS A55M-A Series 1-29 Always install the latest OS version and corresponding updates to change at www.asus.com for...
A55M-A User's Manual
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...original motherboard BIOS using the ASUS Update utility. 2.1.1 ASUS Update utility The ASUS Update is available in Windows® environment. • ASUS Update requires an Internet connection either of the original motherboard BIOS file to a USB flash disk in case you need to manage, save, and update the motherboard BIOS in the support DVD that allows you update the BIOS using this utility. From the Windows® desktop, click Start > Programs > ASUS > AI Suite II > AI Suite II X.XX.XX to complete the installation. Installing ASUS Update To install ASUS Update: 1. BIOS information...
...original motherboard BIOS using the ASUS Update utility. 2.1.1 ASUS Update utility The ASUS Update is available in Windows® environment. • ASUS Update requires an Internet connection either of the original motherboard BIOS file to a USB flash disk in case you need to manage, save, and update the motherboard BIOS in the support DVD that allows you update the BIOS using this utility. From the Windows® desktop, click Start > Programs > ASUS > AI Suite II > AI Suite II X.XX.XX to complete the installation. Installing ASUS Update To install ASUS Update: 1. BIOS information...
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... while updating the BIOS to prevent system boot failure! 2-2 ASUS A55M-A Series The ASUS Update utility is done. • This function supports USB flash disks formatted using an OS‑based utility. Follow the onscreen instructions to complete the updating process. 2.1.2 ASUS EZ Flash 2 The ASUS EZ Flash 2 feature allows you wish to avoid network traffic, then click Next. Press to switch to the Drive field. 4. Select the ASUS FTP site nearest you start using EZ Flash 2: 1. b. Locate the BIOS file from...
... while updating the BIOS to prevent system boot failure! 2-2 ASUS A55M-A Series The ASUS Update utility is done. • This function supports USB flash disks formatted using an OS‑based utility. Follow the onscreen instructions to complete the updating process. 2.1.2 ASUS EZ Flash 2 The ASUS EZ Flash 2 feature allows you wish to avoid network traffic, then click Next. Press to switch to the Drive field. 4. Select the ASUS FTP site nearest you start using EZ Flash 2: 1. b. Locate the BIOS file from...
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... to enter BIOS Setup to load default BIOS values. Doing so can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains the updated BIOS file. • Before using this utility, rename the BIOS file in the removable device into A55MA.CAP (for A55M-A) or A55MAUSB3.CAP (for the BIOS file. When found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically. 4. Insert the support DVD to the optical drive or the USB flash drive that contains the BIOS file to restore the BIOS file...
... to enter BIOS Setup to load default BIOS values. Doing so can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains the updated BIOS file. • Before using this utility, rename the BIOS file in the removable device into A55MA.CAP (for A55M-A) or A55MAUSB3.CAP (for the BIOS file. When found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically. 4. Insert the support DVD to the optical drive or the USB flash drive that contains the BIOS file to restore the BIOS file...
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...the BIOS Boot Device Select Menu. Turn off the computer and disconnect all SATA hard disk drives (optional). The succeeding utility screens are for reference only. C:\>d: D:\> 2-4 ASUS A55M-A Series Welcome to switch the disk from the ASUS website at http://support.asus.com and save the BIOS file and BIOS Updater to update BIOS in DOS environment. 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you can use as a backup when the BIOS fails or gets corrupted during the updating process. Prepare the motherboard support DVD and a USB flash drive formatted using defaults...
...the BIOS Boot Device Select Menu. Turn off the computer and disconnect all SATA hard disk drives (optional). The succeeding utility screens are for reference only. C:\>d: D:\> 2-4 ASUS A55M-A Series Welcome to switch the disk from the ASUS website at http://support.asus.com and save the BIOS file and BIOS Updater to update BIOS in DOS environment. 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you can use as a backup when the BIOS fails or gets corrupted during the updating process. Prepare the motherboard support DVD and a USB flash drive formatted using defaults...
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... set the memory operating frequency. Select any of these preset overclocking configuration options: [Auto] Loads the optimal settings for the system. [Manual] Allows you to enable or disable the EPU power saving function. Configuration options: [Auto] [Light Power Saving Mode] [Medium Power Saving Mode] [Max Power Saving Mode] Chapter 2: BIOS information 2-13 Target CPU Speed : xxxxMHz Displays the current CPU speed. Target DRAM Speed : xxxxMHz Displays the current DRAM speed. 2.4.1 Ai Overclock Tuner [Auto] Allows you to set overclocking parameters. You can also key...
... set the memory operating frequency. Select any of these preset overclocking configuration options: [Auto] Loads the optimal settings for the system. [Manual] Allows you to enable or disable the EPU power saving function. Configuration options: [Auto] [Light Power Saving Mode] [Medium Power Saving Mode] [Max Power Saving Mode] Chapter 2: BIOS information 2-13 Target CPU Speed : xxxxMHz Displays the current CPU speed. Target DRAM Speed : xxxxMHz Displays the current DRAM speed. 2.4.1 Ai Overclock Tuner [Auto] Allows you to set overclocking parameters. You can also key...
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...] Disables the CPB (Core Performance Boost) mode or set it to show IOMMU Mode. Configuration options: [Enabled] [Disabled] Bank Interleaving [Enabled] Enables or disables Bank Interleaving. Configuration options: [Enabled] [Disabled] IOMMU [Disabled] Set this item to [Enabled] to [Auto] for automatic configuration. Configuration options: [Enabled] [Disabled] Core Leveling Mode [Automatic mode] Adjust ratio of number of cores per processor or per compute unit Configuration options: [Automatic mode] [One core per processor] [One Compute Unit] [One core per Compute Unit] Chapter 2: BIOS...
...] Disables the CPB (Core Performance Boost) mode or set it to show IOMMU Mode. Configuration options: [Enabled] [Disabled] Bank Interleaving [Enabled] Enables or disables Bank Interleaving. Configuration options: [Enabled] [Disabled] IOMMU [Disabled] Set this item to [Enabled] to [Auto] for automatic configuration. Configuration options: [Enabled] [Disabled] Core Leveling Mode [Automatic mode] Adjust ratio of number of cores per processor or per compute unit Configuration options: [Automatic mode] [One core per processor] [One Compute Unit] [One core per Compute Unit] Chapter 2: BIOS...
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.../write of your hard disk errors occur, this feature allows the hard disk to internally optimize the order of SATA devices. Configuration options: [Enabled] [Disabled] 2-18 ASUS A55M-A Series The SATA Port items show Not Present if no SATA device is a monitor system. The AHCI allows the onboard storage driver to enable advanced Serial ATA features that increases storage performance on random workloads by allowing the drive to report warning messages during the POST. 2.5.2 SATA Configuration While entering Setup, the BIOS automatically detects the...
.../write of your hard disk errors occur, this feature allows the hard disk to internally optimize the order of SATA devices. Configuration options: [Enabled] [Disabled] 2-18 ASUS A55M-A Series The SATA Port items show Not Present if no SATA device is a monitor system. The AHCI allows the onboard storage driver to enable advanced Serial ATA features that increases storage performance on random workloads by allowing the drive to report warning messages during the POST. 2.5.2 SATA Configuration While entering Setup, the BIOS automatically detects the...
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Legacy USB Support [Enabled] [Enabled] Enables the support for USB devices on legacy operating systems (OS). [Disabled] The USB devices can be used only for USB 3.0 devices on VGA devices. Legacy USB3.0 Support [Enabled] (A55M-A/USB3 only) [Enabled] Enables the support for the BIOS setup program. [Auto] Allows the system to detect the presence of Internal Graphics Device will keep memory reserved. USB Single Port Control Allows you to enable/disable individual USB ports. 2.5.4 NB Configuration IGFX Multi-Monitor [Disabled] Enables or disables the Internal Graphics Device Multi-...
Legacy USB Support [Enabled] [Enabled] Enables the support for USB devices on legacy operating systems (OS). [Disabled] The USB devices can be used only for USB 3.0 devices on VGA devices. Legacy USB3.0 Support [Enabled] (A55M-A/USB3 only) [Enabled] Enables the support for the BIOS setup program. [Auto] Allows the system to detect the presence of Internal Graphics Device will keep memory reserved. USB Single Port Control Allows you to enable/disable individual USB ports. 2.5.4 NB Configuration IGFX Multi-Monitor [Disabled] Enables or disables the Internal Graphics Device Multi-...
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... CPU temperature. CPU_FAN Fan Max. Configuration options: [Auto] [Disabled] [Enabled] 2-24 ASUS A55M-A Series CPU_FAN Upper Temperature [70ºC] Use the and keys to adjust the minimum CPU fan duty cycle. The values range from 20ºC to 100%. CPU_FAN Lower Temperature [20ºC] Displays the lower limit of the CPU fan. [Standard] Sets to [Standard] to make the CPU fan automatically adjust depending on the CPU temperature. [Silent] Sets to [Silent] to minimize the fan speed for quiet CPU fan...
... CPU temperature. CPU_FAN Fan Max. Configuration options: [Auto] [Disabled] [Enabled] 2-24 ASUS A55M-A Series CPU_FAN Upper Temperature [70ºC] Use the and keys to adjust the minimum CPU fan duty cycle. The values range from 20ºC to 100%. CPU_FAN Lower Temperature [20ºC] Displays the lower limit of the CPU fan. [Standard] Sets to [Standard] to make the CPU fan automatically adjust depending on the CPU temperature. [Silent] Sets to [Silent] to minimize the fan speed for quiet CPU fan...
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... Screen Logo item is set to [Disabled] and allows you set Fast Boot to use the ASUS MyLogo 2™ feature. Configuration options: [Disabled] [Enabled] The following three items appear only when you to normal boot on the next boot after an AC power loss. [Fast Boot] Accelerates the boot speed on the next boot after the PC enters the OS. Network Stack Driver Support [Disabled] [Disabled] If Disabled, the Network Stack Driver will be available during POST. Next boot...
... Screen Logo item is set to [Disabled] and allows you set Fast Boot to use the ASUS MyLogo 2™ feature. Configuration options: [Disabled] [Enabled] The following three items appear only when you to normal boot on the next boot after an AC power loss. [Fast Boot] Accelerates the boot speed on the next boot after the PC enters the OS. Network Stack Driver Support [Disabled] [Disabled] If Disabled, the Network Stack Driver will be available during POST. Next boot...