A55M-A User's Manual
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... ALC887-VD 8-channel High Definition Audio CODEC • Use a chassis with HD audio module in the market. • Refer to www.asus.com for the discrete GPUs which support Dual Graphics technology. Graphics Integrated AMD® Radeon™ HD 7000 Series Graphics in the A-Series ...; Dual Graphics technology support* Maximum shared memory of 4GB capacity or more, Windows® 32-bit operating system may only recognize less than 3GB. 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,...
... ALC887-VD 8-channel High Definition Audio CODEC • Use a chassis with HD audio module in the market. • Refer to www.asus.com for the discrete GPUs which support Dual Graphics technology. Graphics Integrated AMD® Radeon™ HD 7000 Series Graphics in the A-Series ...; Dual Graphics technology support* Maximum shared memory of 4GB capacity or more, Windows® 32-bit operating system may only recognize less than 3GB. 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,...
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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... 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 Guide Support DVD • A55M-A Series motherboards include A55M-A and A55M-A/USB3 models. xi The package contents vary from models. • If any of the above items is...
... 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 Guide Support DVD • A55M-A Series motherboards include A55M-A and A55M-A/USB3 models. xi The package contents vary from models. • If any of the above items is...
A55M-A User's Manual
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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 personalize your system. ASUS A55M-A Series 1-3 ASUS MyLogo2™ Turn your favorite photos into 256-color boot logos to an already impressive USB 3.0 transfer speed. ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 allows you to restore a corrupted BIOS file from a USB storage device that contains the BIOS file.
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 personalize your system. ASUS A55M-A Series 1-3 ASUS MyLogo2™ Turn your favorite photos into 256-color boot logos to an already impressive USB 3.0 transfer speed. ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 allows you to restore a corrupted BIOS file from a USB storage device that contains the BIOS file.
A55M-A User's Manual
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... OFF Standby Power Powered Off A55M-A/USB3 Onboard LED 1-4 Chapter 1: Product introduction 1.2 Before you proceed Take note of the onboard LED. This is ON, in sleep mode, or in any component, switch ...
... OFF Standby Power Powered Off A55M-A/USB3 Onboard LED 1-4 Chapter 1: Product introduction 1.2 Before you proceed Take note of the onboard LED. This is ON, in sleep mode, or in any component, switch ...
A55M-A User's Manual
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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. A55M-A/USB3 ASUS A55M-A Series 1-5 Doing so can damage the motherboard. The edge with external ports goes to the chassis. DO NOT overtighten the screws! 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.
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. A55M-A/USB3 ASUS A55M-A Series 1-5 Doing so can damage the motherboard. The edge with external ports goes to the chassis. DO NOT overtighten the screws! 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.
A55M-A User's Manual
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... 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 USB56 USB34 CLRTC SPEAKER 7 F_PANEL 14 13 12 11 10 98 1-6 Chapter 1: Product introduction 1.3.3 Motherboard layout A55M-A Series motherboards include A55M-A and A55M-A/USB3 models. The package contents vary between models.
... 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 USB56 USB34 CLRTC SPEAKER 7 F_PANEL 14 13 12 11 10 98 1-6 Chapter 1: Product introduction 1.3.3 Motherboard layout A55M-A Series motherboards include A55M-A and A55M-A/USB3 models. The package contents vary between models.
A55M-A User's Manual
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Keyboard power (3-pin KB_USBPWB) 2. DDR3 DIMM slots 6. SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) 7. Digital audio connector (4-1 pin SPDIF_OUT) 13. A55M-A/USB3 A55M-A/USB3 CPU socket FM2 ASUS A55M-A Series 1-7 AMD FM2 socket 4. Front panel audio connector (10-1 pin AAFP) 14. The APU fits in only one correct orientation. Speaker connector (4-pin SPEAKER) 9. CPU ...
Keyboard power (3-pin KB_USBPWB) 2. DDR3 DIMM slots 6. SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) 7. Digital audio connector (4-1 pin SPDIF_OUT) 13. A55M-A/USB3 A55M-A/USB3 CPU socket FM2 ASUS A55M-A Series 1-7 AMD FM2 socket 4. Front panel audio connector (10-1 pin AAFP) 14. The APU fits in only one correct orientation. Speaker connector (4-pin SPEAKER) 9. CPU ...
A55M-A User's Manual
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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 1.5 System memory 1.5.1 Overview This motherboard comes with less power consumption. DDR3 modules are developed for better performance with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets.
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 1.5 System memory 1.5.1 Overview This motherboard comes with less power consumption. DDR3 modules are developed for better performance with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets.
A55M-A User's Manual
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ASUS A55M-A Series 1-19 PCI1 slot - - - - shared - - - - - - SATA controller - - - On Chip USB EHCI 1/2/3/4 shared ASM1042 USB3.0 controller - - PCIEx1_1 shared - - - - - - - shared - - - shared - - - - - shared - - - - - HD audio shared - - - - - - - Realtek LAN controller - shared - - - - IRQ assignments for this motherboard A B C D E F G H PCIEx16_1 - - On Chip USB EHCI 1/2/3 - shared - - - - - -
ASUS A55M-A Series 1-19 PCI1 slot - - - - shared - - - - - - SATA controller - - - On Chip USB EHCI 1/2/3/4 shared ASM1042 USB3.0 controller - - PCIEx1_1 shared - - - - - - - shared - - - shared - - - - - shared - - - - - HD audio shared - - - - - - - Realtek LAN controller - shared - - - - IRQ assignments for this motherboard A B C D E F G H PCIEx16_1 - - On Chip USB EHCI 1/2/3 - shared - - - - - -
A55M-A User's Manual
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... can automatically reset parameter settings to clear the CMOS RTC RAM data. Move the jumper cap from pins 1-2 (default) to overclocking. A55M-A/USB3 CLRTC 12 23 Normal (Default) Clear RTC A55M-A/USB3 Clear RTC RAM To erase the RTC RAM: 1. Shut down the key during the boot process and enter BIOS setup to clear...
... can automatically reset parameter settings to clear the CMOS RTC RAM data. Move the jumper cap from pins 1-2 (default) to overclocking. A55M-A/USB3 CLRTC 12 23 Normal (Default) Clear RTC A55M-A/USB3 Clear RTC RAM To erase the RTC RAM: 1. Shut down the key during the boot process and enter BIOS setup to clear...
A55M-A User's Manual
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... must NOT exceed the power supply capability (+5VSB) whether under normal condition or in the BIOS. A55M-A/USB3 USBPWF 12 23 +5V +5VSB (Default) A55M-A/USB3 USB device wake up • The USB device wake-up the computer by pressing a key on... can provide 500mA on the +5VSB lead, and a corresponding setting in sleep mode. 2. 2. KB_USBPWB 12 23 A55M-A/USB3 +5V +5VSB (Default) A55M-A/USB3 Keyboard and USB device wake up (3-pin USBPFW) Set these jumpers to +5V to CPU, DRAM in slow refresh... on the +5VSB lead for each USB port; USB device wake-up ASUS A55M-A Series 1-21
... must NOT exceed the power supply capability (+5VSB) whether under normal condition or in the BIOS. A55M-A/USB3 USBPWF 12 23 +5V +5VSB (Default) A55M-A/USB3 USB device wake up • The USB device wake-up the computer by pressing a key on... can provide 500mA on the +5VSB lead, and a corresponding setting in sleep mode. 2. 2. KB_USBPWB 12 23 A55M-A/USB3 +5V +5VSB (Default) A55M-A/USB3 Keyboard and USB device wake up (3-pin USBPFW) Set these jumpers to +5V to CPU, DRAM in slow refresh... on the +5VSB lead for each USB port; USB device wake-up ASUS A55M-A Series 1-21
A55M-A User's Manual
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...24 W) fan power. • Only the CPU_FAN connector support the ASUS Fan Xpert feature. DVI-D port. This port is HDCP compliant allowing playback 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 isn't compatible with DVI-I 10. USB 2.0 ports 11 and 12 (A55M-A only). CPU FAN PWM CPU FAN IN CPU FAN PWR GND Rotation +12V GND ASUS A55M-A Series 1-23 These two ...
...24 W) fan power. • Only the CPU_FAN connector support the ASUS Fan Xpert feature. DVI-D port. This port is HDCP compliant allowing playback 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 isn't compatible with DVI-I 10. USB 2.0 ports 11 and 12 (A55M-A only). CPU FAN PWM CPU FAN IN CPU FAN PWR GND Rotation +12V GND ASUS A55M-A Series 1-23 These two ...
A55M-A User's Manual
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... 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 recommend that the 20-pin power plug can provide at http://support.asus. com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for an ATX...
... 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 recommend that the 20-pin power plug can provide at http://support.asus. com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for an ATX...
A55M-A User's Manual
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...BIOS to [AHCI]. If you intend to create a Serial ATA RAID set using Serial ATA hard disk drives. ASUS A55M-A Series 1-25 SATA3G_5 SATA3G_6 GND RSATA_TXP6 RSATA_TXN6 GND RSATA_RXN6 RSATA_RXP6 GND GND RSATA_TXP5 RSATA_TXN5 GND RSATA_RXN5 RSATA_RXP5 GND SATA3G_3...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 for the Serial ...
...BIOS to [AHCI]. If you intend to create a Serial ATA RAID set using Serial ATA hard disk drives. ASUS A55M-A Series 1-25 SATA3G_5 SATA3G_6 GND RSATA_TXP6 RSATA_TXN6 GND RSATA_RXN6 RSATA_RXP6 GND GND RSATA_TXP5 RSATA_TXN5 GND RSATA_RXN5 RSATA_RXP5 GND SATA3G_3...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 for the Serial ...
A55M-A User's Manual
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...button (2-pin RESET) This 2-pin connector is for the chassis-mounted reset button for the HDD Activity 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. Speaker connector (4-pin ...connector. Connect the HDD Activity 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 F_PANEL PWR LED PWR BTN PLED+ PLEDPWR GND HD_LED+ HD_LED-
...button (2-pin RESET) This 2-pin connector is for the chassis-mounted reset button for the HDD Activity 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. Speaker connector (4-pin ...connector. Connect the HDD Activity 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 F_PANEL PWR LED PWR BTN PLED+ PLEDPWR GND HD_LED+ HD_LED-
A55M-A User's Manual
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...audio I /O module is purchased separately. See section 2.5.5 Onboard Devices Configuration 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 for details. • The front panel audio I /O module that you connect a high-definition front panel audio... front panel audio I/O module cable to this connector, set the Front Panel Type item in the BIOS to this connector. ASUS A55M-A Series 1-27 6. Digital audio connector (4-1 pin SPDIF_OUT) This connector is purchased separately. 7.
...audio I /O module is purchased separately. See section 2.5.5 Onboard Devices Configuration 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 for details. • The front panel audio I /O module that you connect a high-definition front panel audio... front panel audio I/O module cable to this connector, set the Front Panel Type item in the BIOS to this connector. ASUS A55M-A Series 1-27 6. Digital audio connector (4-1 pin SPDIF_OUT) This connector is purchased separately. 7.
A55M-A User's Manual
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... introduction USB 2.0 connectors (10-1 pin 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 the USB connectors. 8.
... introduction USB 2.0 connectors (10-1 pin 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 the USB connectors. 8.
A55M-A User's Manual
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...requires you to restore the BIOS file when it fails or gets corrupted during the updating process. The utility automatically checks the devices for A55M-A USB3). • The BIOS file in the support DVD may not be the latest version. Doing so can restore a corrupted BIOS file using... you to enter BIOS Setup to recover BIOS setting. Chapter 2: BIOS information 2-3 Recovering the BIOS To recover the BIOS: 1. 2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 is an auto recovery tool that contains the BIOS file to the USB port. 3. When found, the utility reads ...
...requires you to restore the BIOS file when it fails or gets corrupted during the updating process. The utility automatically checks the devices for A55M-A USB3). • The BIOS file in the support DVD may not be the latest version. Doing so can restore a corrupted BIOS file using... you to enter BIOS Setup to recover BIOS setting. Chapter 2: BIOS information 2-3 Recovering the BIOS To recover the BIOS: 1. 2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 is an auto recovery tool that contains the BIOS file to the USB port. 3. When found, the utility reads ...