A55M-A User's Manual
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...; ALC887-VD 8-channel High Definition Audio CODEC • Use a chassis with 16GB or above DIMMs. ASUS will update the memory QVL once the DIMMs are using a Windows® 32-bit operating system. USB A55M-A/USB3 ASMedia 1042 - 2 x USB 3.0/2.0 ports at the back panel AMD® A55 FCH: - 6... x USB 2.0/1.1 ports (4 ports at the mid-board, 2 ports at the back panel) A55M-A AMD® A55 FCH: - 8 x USB 2.0/1.1 ports (4 ports...
...; ALC887-VD 8-channel High Definition Audio CODEC • Use a chassis with 16GB or above DIMMs. ASUS will update the memory QVL once the DIMMs are using a Windows® 32-bit operating system. USB A55M-A/USB3 ASMedia 1042 - 2 x USB 3.0/2.0 ports at the back panel AMD® A55 FCH: - 6... x USB 2.0/1.1 ports (4 ports at the mid-board, 2 ports at the back panel) A55M-A AMD® A55 FCH: - 8 x USB 2.0/1.1 ports (4 ports...
A55M-A User's Manual
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A55M-A Series specifications summary ASUS unique features ASUS USB 3.0 Boost (A55M-A/USB3 only) DIGI+ Power Control: Digital Power Design for the APU ASUS 3+2 Phase Power Design Network iControl ASUS EPU ASUS AI Suite II ASUS UEFI BIOS EZ Mode ASUS Anti-Surge Protection ASUS Fan Xpert ASUS CrashFree BIOS 3 ASUS Fanless Design: Stylish Heatsink Solution ASUS ESD ASUS EZ Flash 2 ASUS MyLogo 2™ 100% All high-quality...
A55M-A Series specifications summary ASUS unique features ASUS USB 3.0 Boost (A55M-A/USB3 only) DIGI+ Power Control: Digital Power Design for the APU ASUS 3+2 Phase Power Design Network iControl ASUS EPU ASUS AI Suite II ASUS UEFI BIOS EZ Mode ASUS Anti-Surge Protection ASUS Fan Xpert ASUS CrashFree BIOS 3 ASUS Fanless Design: Stylish Heatsink Solution ASUS ESD ASUS EZ Flash 2 ASUS MyLogo 2™ 100% All high-quality...
A55M-A User's Manual
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... module) SOCKET FM2 DVI_VGA USB1112 LAN1_USB12 ASM 1042 AUDIO KB_USBWB A55M-A/USB3 PCIEX16 RTL 8111F PCIEX1_1 BATTERY Super I/O PCI1 SB_PWR ALC 887 SPDIF_OUT AAFP USBPWF USB56 USB34 AMD® A55 SATA6G_5 SATA6G_6 SATA6G_3 SATA6G_4 SATA6G_1 SATA6G_2 32Mb BIOS CLRTC SPEAKER F_PANEL EATXPWR ASUS A55M-A Series motherboard User Guide 2 x Serial ATA 3.0 Gb/s cables 1 x I/O Shield User...
... module) SOCKET FM2 DVI_VGA USB1112 LAN1_USB12 ASM 1042 AUDIO KB_USBWB A55M-A/USB3 PCIEX16 RTL 8111F PCIEX1_1 BATTERY Super I/O PCI1 SB_PWR ALC 887 SPDIF_OUT AAFP USBPWF USB56 USB34 AMD® A55 SATA6G_5 SATA6G_6 SATA6G_3 SATA6G_4 SATA6G_1 SATA6G_2 32Mb BIOS CLRTC SPEAKER F_PANEL EATXPWR ASUS A55M-A Series motherboard User Guide 2 x Serial ATA 3.0 Gb/s cables 1 x I/O Shield User...
A55M-A User's Manual
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ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 allows you to an already impressive USB 3.0 transfer speed. ASUS software automatically accelerates data speeds for compatible USB 3.0 peripherals without the need for any user interaction. USB 3.0 Boost (A55M-A/USB3 only) With USB 3.0 Boost technology, a USB device's transmission speed is significantly increased, adding to restore a corrupted BIOS file from a USB storage device that contains the BIOS file. ASUS A55M-A Series 1-3 ASUS MyLogo2™ Turn your favorite photos into 256-color boot logos to personalize your system.
ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 allows you to an already impressive USB 3.0 transfer speed. ASUS software automatically accelerates data speeds for compatible USB 3.0 peripherals without the need for any user interaction. USB 3.0 Boost (A55M-A/USB3 only) With USB 3.0 Boost technology, a USB device's transmission speed is significantly increased, adding to restore a corrupted BIOS file from a USB storage device that contains the BIOS file. ASUS A55M-A Series 1-3 ASUS MyLogo2™ Turn your favorite photos into 256-color boot logos to personalize your system.
A55M-A User's Manual
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... any component, place it on a grounded antistatic pad or in the bag that lights up to the motherboard, peripherals, or components. A55M-A/USB3 SB_PWR ON OFF Standby Power Powered Off A55M-A/USB3 Onboard LED 1-4 Chapter 1: Product introduction The illustration below shows the location of the following precautions before you install motherboard components or change...
... any component, place it on a grounded antistatic pad or in the bag that lights up to the motherboard, peripherals, or components. A55M-A/USB3 SB_PWR ON OFF Standby Power Powered Off A55M-A/USB3 Onboard LED 1-4 Chapter 1: Product introduction The illustration below shows the location of the following precautions before you install motherboard components or change...
A55M-A User's Manual
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A55M-A/USB3 ASUS A55M-A Series 1-5 The edge with external ports goes to the chassis. 1.3 Motherboard overview 1.3.1 Placement direction When installing the motherboard, ensure that you place it into the holes indicated by circles to secure the motherboard to the rear part of the chassis. DO NOT overtighten the screws! Place this side towards the rear of the chassis as indicated in the image below. 1.3.2 Screw holes Place six screws into the chassis in the correct orientation. Doing so can damage the motherboard.
A55M-A/USB3 ASUS A55M-A Series 1-5 The edge with external ports goes to the chassis. 1.3 Motherboard overview 1.3.1 Placement direction When installing the motherboard, ensure that you place it into the holes indicated by circles to secure the motherboard to the rear part of the chassis. DO NOT overtighten the screws! Place this side towards the rear of the chassis as indicated in the image below. 1.3.2 Screw holes Place six screws into the chassis in the correct orientation. Doing so can damage the motherboard.
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The package contents vary between models. The layout illustrations in this user guide are for A55MA/USB3 only. 1 2 3 4 5 18.8cm(7.4in) KBMS HDMI ATX12V CPU_FAN CHA_FAN DIGI +VRM DDR3 DIMM_A1 (64bit, 240-pin module) DDR3 DIMM_B1 (64bit, 240-...pin module) SOCKET FM2 DVI_VGA USB1112 23.6cm(9.3in) LAN1_USB12 ASM 1042 EATXPWR KB_USBWB AUDIO 2 A55M-A/USB3 PCIEX16 RTL 8111F Super I/O PCIEX1_1 BATTERY PCI1 SATA6G_5 SATA6G_6 AMD® A55 SATA6G_3 SATA6G_4 6 SB_PWR ALC 887 SPDIF_OUT AAFP SATA6G_1 SATA6G_2 USBPWF 32Mb BIOS...
The package contents vary between models. The layout illustrations in this user guide are for A55MA/USB3 only. 1 2 3 4 5 18.8cm(7.4in) KBMS HDMI ATX12V CPU_FAN CHA_FAN DIGI +VRM DDR3 DIMM_A1 (64bit, 240-pin module) DDR3 DIMM_B1 (64bit, 240-...pin module) SOCKET FM2 DVI_VGA USB1112 23.6cm(9.3in) LAN1_USB12 ASM 1042 EATXPWR KB_USBWB AUDIO 2 A55M-A/USB3 PCIEX16 RTL 8111F Super I/O PCIEX1_1 BATTERY PCI1 SATA6G_5 SATA6G_6 AMD® A55 SATA6G_3 SATA6G_4 6 SB_PWR ALC 887 SPDIF_OUT AAFP SATA6G_1 SATA6G_2 USBPWF 32Mb BIOS...
A55M-A User's Manual
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... slots 6. AMD FM2 socket 4. Clear RTC RAM (3-pin CLRTC) 10. USB 2.0 connectors (10-1 pin USB56, USB34) 11. Front panel audio connector (10-1 pin AAFP) 14. A55M-A/USB3 A55M-A/USB3 CPU socket FM2 ASUS A55M-A Series 1-7
... slots 6. AMD FM2 socket 4. Clear RTC RAM (3-pin CLRTC) 10. USB 2.0 connectors (10-1 pin USB56, USB34) 11. Front panel audio connector (10-1 pin AAFP) 14. A55M-A/USB3 A55M-A/USB3 CPU socket FM2 ASUS A55M-A Series 1-7
A55M-A User's Manual
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The figure illustrates the location of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 A55M-A/USB3 Channel Channel A Channel B A55M-A/USB3 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS A55M-A Series 1-11 DDR3 modules are developed for better performance with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. 1.5 System memory 1.5.1 Overview This motherboard comes with less power consumption. A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket.
The figure illustrates the location of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 A55M-A/USB3 Channel Channel A Channel B A55M-A/USB3 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS A55M-A Series 1-11 DDR3 modules are developed for better performance with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. 1.5 System memory 1.5.1 Overview This motherboard comes with less power consumption. A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket.
A55M-A User's Manual
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On Chip USB EHCI 1/2/3/4 shared ASM1042 USB3.0 controller - - PCIEx1_1 shared - - - - - - - shared - - - - - - shared - - - - IRQ assignments for this motherboard A B C D E F G H PCIEx16_1 - - SATA controller - - - ASUS A55M-A Series 1-19 shared - - - Realtek LAN controller - shared - - - - - - shared - - - - - PCI1 slot - - - - shared - - - - - On Chip USB EHCI 1/2/3 - HD audio shared - - - - - - -
On Chip USB EHCI 1/2/3/4 shared ASM1042 USB3.0 controller - - PCIEx1_1 shared - - - - - - - shared - - - - - - shared - - - - IRQ assignments for this motherboard A B C D E F G H PCIEx16_1 - - SATA controller - - - ASUS A55M-A Series 1-19 shared - - - Realtek LAN controller - shared - - - - - - shared - - - - - PCI1 slot - - - - shared - - - - - On Chip USB EHCI 1/2/3 - HD audio shared - - - - - - -
A55M-A User's Manual
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... 23 Normal (Default) Clear RTC A55M-A/USB3 Clear RTC RAM To erase the RTC RAM: 1. Keep the cap on CLRTC jumper default position. Except when clearing the RTC RAM, never remove the ...
... 23 Normal (Default) Clear RTC A55M-A/USB3 Clear RTC RAM To erase the RTC RAM: 1. Keep the cap on CLRTC jumper default position. Except when clearing the RTC RAM, never remove the ...
A55M-A User's Manual
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..., the system would not power up from S1 sleep mode (CPU stopped, DRAM refreshed, system running in the BIOS. KB_USBPWB 12 23 A55M-A/USB3 +5V +5VSB (Default) A55M-A/USB3 Keyboard and USB device wake up the computer from S3 and S4 sleep modes (no power to pins 2-3 (+5VSB), you can wake ...up the computer by pressing a key on the +5VSB lead, and a corresponding setting in low power mode) using the connected USB devices. When you to wake up ASUS A55M...
..., the system would not power up from S1 sleep mode (CPU stopped, DRAM refreshed, system running in the BIOS. KB_USBPWB 12 23 A55M-A/USB3 +5V +5VSB (Default) A55M-A/USB3 Keyboard and USB device wake up the computer from S3 and S4 sleep modes (no power to pins 2-3 (+5VSB), you can wake ...up the computer by pressing a key on the +5VSB lead, and a corresponding setting in low power mode) using the connected USB devices. When you to wake up ASUS A55M...
A55M-A User's Manual
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... of HD DVD, Blu-ray, and other protected content. 11. CPU_FAN CHA_FAN A55M-A/USB3 A55M-A/USB3 CPU fan connector DO NOT forget to connect the fan cables to CRT and ...CPU FAN PWM CPU FAN IN CPU FAN PWR GND Rotation +12V GND ASUS A55M-A Series 1-23 USB 3.0 ports 11 and 12 (A55M-A/USB3 only). CPU and chassis fan connectors (4-pin CPU_FAN, and 3-pin CHA_FAN... Multimedia Interface (HDMI) connector, and is for any DVI-D compatible device. USB 2.0 ports 11 and 12 (A55M-A only). This port is for USB 2.0/1.1 devices. 8. Insufficient air flow inside the system may damage the motherboard...
... of HD DVD, Blu-ray, and other protected content. 11. CPU_FAN CHA_FAN A55M-A/USB3 A55M-A/USB3 CPU fan connector DO NOT forget to connect the fan cables to CRT and ...CPU FAN PWM CPU FAN IN CPU FAN PWR GND Rotation +12V GND ASUS A55M-A Series 1-23 USB 3.0 ports 11 and 12 (A55M-A/USB3 only). CPU and chassis fan connectors (4-pin CPU_FAN, and 3-pin CHA_FAN... Multimedia Interface (HDMI) connector, and is for any DVI-D compatible device. USB 2.0 ports 11 and 12 (A55M-A only). This port is for USB 2.0/1.1 devices. 8. Insufficient air flow inside the system may damage the motherboard...
A55M-A User's Manual
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... Find the proper orientation and push down firmly until the connectors completely fit. ATX12V EATXPWR +12V DC +12V DC A55M-A/USB3 GND GND +3 Volts +12 Volts +12 Volts +5V Standby Power OK PIN 1 GND +5 Volts GND +5 Volts GND +3 Volts +3 ...Volts PIN 1 A55M-A/USB3 ATX power connectors GND +5 Volts +5 Volts +5 Volts -5 Volts GND GND GND PSON# GND -12 Volts +3 Volts • We... 15 A on +12 V and that the 20-pin power plug can provide at http://support.asus. 2.
... Find the proper orientation and push down firmly until the connectors completely fit. ATX12V EATXPWR +12V DC +12V DC A55M-A/USB3 GND GND +3 Volts +12 Volts +12 Volts +5V Standby Power OK PIN 1 GND +5 Volts GND +5 Volts GND +3 Volts +3 ...Volts PIN 1 A55M-A/USB3 ATX power connectors GND +5 Volts +5 Volts +5 Volts -5 Volts GND GND GND PSON# GND -12 Volts +3 Volts • We... 15 A on +12 V and that the 20-pin power plug can provide at http://support.asus. 2.
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... RSATA_RXP4 RSATA_RXN4 GND RSATA_TXN4 RSATA_TXP4 GND GND RSATA_RXP3 RSATA_RXN3 GND RSATA_TXN3 RSATA_TXP3 GND A55M-A/USB3 SATA3G_1 SATA3G_2 GND RSATA_RXP1 RSATA_RXN1 GND RSATA_TXN1 RSATA_TXP1 GND GND RSATA_RXP2 RSATA_RXN2 GND RSATA_TXN2 RSATA_TXP2 GND A55M-A/USB3 SATA 3.0Gb/s connectors • These connectors are using Windows® XP... SP3 or later version. • When using hot-plug and NCQ, set the type of the SATA connectors in the BIOS to AHCI mode by default. ASUS A55M-A Series...
... RSATA_RXP4 RSATA_RXN4 GND RSATA_TXN4 RSATA_TXP4 GND GND RSATA_RXP3 RSATA_RXN3 GND RSATA_TXN3 RSATA_TXP3 GND A55M-A/USB3 SATA3G_1 SATA3G_2 GND RSATA_RXP1 RSATA_RXN1 GND RSATA_TXN1 RSATA_TXP1 GND GND RSATA_RXP2 RSATA_RXN2 GND RSATA_TXN2 RSATA_TXP2 GND A55M-A/USB3 SATA 3.0Gb/s connectors • These connectors are using Windows® XP... SP3 or later version. • When using hot-plug and NCQ, set the type of the SATA connectors in the BIOS to AHCI mode by default. ASUS A55M-A Series...
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...connector is for the HDD Activity LED. F_PANEL PWR LED PWR BTN PLED+ PLEDPWR GND HD_LED+ HD_LED- Ground HWRST# (NC) A55M-A/USB3 PIN 1 +HD_LED RESET A55M-A/USB3 System panel connector • System power LED (2-pin PLED) This 2-pin connector is for the system power LED. Connect the...the system power. 5. Connect the chassis power LED cable to hear system beeps and warnings. +5V GND GND Speaker Out A55M-A/USB3 SPEAKER PIN 1 A55M-A/USB3 Speaker Out Connector 1-26 Chapter 1: Product introduction Speaker connector (4-pin SPEAKER) The 4-pin connector is for the chassis-mounted ...
...connector is for the HDD Activity LED. F_PANEL PWR LED PWR BTN PLED+ PLEDPWR GND HD_LED+ HD_LED- Ground HWRST# (NC) A55M-A/USB3 PIN 1 +HD_LED RESET A55M-A/USB3 System panel connector • System power LED (2-pin PLED) This 2-pin connector is for the system power LED. Connect the...the system power. 5. Connect the chassis power LED cable to hear system beeps and warnings. +5V GND GND Speaker Out A55M-A/USB3 SPEAKER PIN 1 A55M-A/USB3 Speaker Out Connector 1-26 Chapter 1: Product introduction Speaker connector (4-pin SPEAKER) The 4-pin connector is for the chassis-mounted ...
A55M-A User's Manual
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...'97 pin definition compliant definition A55M-A/USB3 Front panel audio connector • We recommend that supports either High Definition Audio or AC`97 audio standard. Digital audio connector (4-1 pin SPDIF_OUT) This connector is for a chassis-mounted front panel audio I /O module is purchased separately. 7. ASUS A55M-A Series 1-27 See section ... panel audio connector (10-1 pin AAFP) This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port. +5V SPDIFOUT GND A55M-A/USB3 SPDIF_OUT A55M-A/USB3 Digital audio connector The S/PDIF module is purchased separately.
...'97 pin definition compliant definition A55M-A/USB3 Front panel audio connector • We recommend that supports either High Definition Audio or AC`97 audio standard. Digital audio connector (4-1 pin SPDIF_OUT) This connector is for a chassis-mounted front panel audio I /O module is purchased separately. 7. ASUS A55M-A Series 1-27 See section ... panel audio connector (10-1 pin AAFP) This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port. +5V SPDIFOUT GND A55M-A/USB3 SPDIF_OUT A55M-A/USB3 Digital audio connector The S/PDIF module is purchased separately.
A55M-A User's Manual
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... USB56, USB34) These connectors are for USB 2.0 ports. USB56 USB34 USB+5V USB_P6USB_P6+ GND NC USB+5V USB_P4USB_P4+ GND NC A55M-A/USB3 PIN 1 PIN 1 USB+5V USB_P5USB_P5+ GND USB+5V USB_P3USB_P3+ GND A55M-A/USB3 USB2.0 connectors Never connect a 1394 cable to a slot opening at the back of these connectors, then install the module to...
... USB56, USB34) These connectors are for USB 2.0 ports. USB56 USB34 USB+5V USB_P6USB_P6+ GND NC USB+5V USB_P4USB_P4+ GND NC A55M-A/USB3 PIN 1 PIN 1 USB+5V USB_P5USB_P5+ GND USB+5V USB_P3USB_P3+ GND A55M-A/USB3 USB2.0 connectors Never connect a 1394 cable to a slot opening at the back of these connectors, then install the module to...
A55M-A User's Manual
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... when it fails or gets corrupted during the updating process. When found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically. 4. The utility automatically checks the devices for A55M-A USB3). • The BIOS file in the support DVD may not be the latest version. To ensure system compatibility and...
... when it fails or gets corrupted during the updating process. When found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically. 4. The utility automatically checks the devices for A55M-A USB3). • The BIOS file in the support DVD may not be the latest version. To ensure system compatibility and...