A55M-A User's Manual
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... 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 at the mid-board, 4 ports at the back panel) (continued on the next page) ix A55M-A...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 available in the front panel to www.asus.com for the latest Memory QVL (Qualified Vendors List). • When you install a total ...
... 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 at the mid-board, 4 ports at the back panel) (continued on the next page) ix A55M-A...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 available in the front panel to www.asus.com for the latest Memory QVL (Qualified Vendors List). • When you install a total ...
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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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... 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 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...
... 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 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...
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ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 allows you to an already impressive USB 3.0 transfer speed. 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 software automatically accelerates data speeds for compatible USB 3.0 peripherals without the need for any user interaction. 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. 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 software automatically accelerates data speeds for compatible USB 3.0 peripherals without the need for any user interaction. ASUS MyLogo2™ Turn your favorite photos into 256-color boot logos to personalize your system.
A55M-A User's Manual
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Place this side towards the rear of the chassis as indicated in the correct orientation. 1.3 Motherboard overview 1.3.1 Placement direction When installing the motherboard, ensure that you place it into the chassis in the image below. 1.3.2 Screw holes Place six screws into the holes indicated by circles to secure the motherboard to the rear part of the chassis. DO NOT overtighten the screws! Doing so can damage the motherboard. A55M-A/USB3 ASUS A55M-A Series 1-5 The edge with external ports goes to the chassis.
Place this side towards the rear of the chassis as indicated in the correct orientation. 1.3 Motherboard overview 1.3.1 Placement direction When installing the motherboard, ensure that you place it into the chassis in the image below. 1.3.2 Screw holes Place six screws into the holes indicated by circles to secure the motherboard to the rear part of the chassis. DO NOT overtighten the screws! Doing so can damage the motherboard. A55M-A/USB3 ASUS A55M-A Series 1-5 The edge with external ports goes to the chassis.
A55M-A User's Manual
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...® A-series accelerated processors with AMD® Radeon™ HD 7000 series graphics. CPU fan connector (4-pin CPU_FAN) and Chassis fan connector (3-pin CHA_FAN) 5. A55M-A/USB3 A55M-A/USB3 CPU socket FM2 ASUS A55M-A Series 1-7 USB device wake-up (3-pin USBPWF) 12. Digital audio connector (4-1 pin SPDIF_OUT) 13. SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) 7. AMD FM2 socket 4. 1.3.4 Layout...
...® A-series accelerated processors with AMD® Radeon™ HD 7000 series graphics. CPU fan connector (4-pin CPU_FAN) and Chassis fan connector (3-pin CHA_FAN) 5. A55M-A/USB3 A55M-A/USB3 CPU socket FM2 ASUS A55M-A Series 1-7 USB device wake-up (3-pin USBPWF) 12. Digital audio connector (4-1 pin SPDIF_OUT) 13. SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) 7. AMD FM2 socket 4. 1.3.4 Layout...
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DDR3 modules are developed for better performance with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. 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 A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket. 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. 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 A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket. 1.5 System memory 1.5.1 Overview This motherboard comes with less power consumption.
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SATA controller - - - On Chip USB EHCI 1/2/3 - ASUS A55M-A Series 1-19 PCI1 slot - - - - Realtek LAN controller - shared - - - - - HD audio shared - - - - - - - shared - - - - IRQ assignments for this motherboard A B C D E F G H PCIEx16_1 - - shared - - - shared - - - - - - On Chip USB EHCI 1/2/3/4 shared ASM1042 USB3.0 controller - - PCIEx1_1 shared - - - - - - - shared - - - - - - shared - - - - -
SATA controller - - - On Chip USB EHCI 1/2/3 - ASUS A55M-A Series 1-19 PCI1 slot - - - - Realtek LAN controller - shared - - - - - HD audio shared - - - - - - - shared - - - - IRQ assignments for this motherboard A B C D E F G H PCIEx16_1 - - shared - - - shared - - - - - - On Chip USB EHCI 1/2/3/4 shared ASM1042 USB3.0 controller - - PCIEx1_1 shared - - - - - - - shared - - - - - - shared - - - - -
A55M-A User's Manual
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...wake up the computer by pressing a key on the +5VSB lead for each USB port; 2. A55M-A/USB3 USBPWF 12 23 +5V +5VSB (Default) A55M-A/USB3 USB device wake up • The USB device wake-up from S1 sleep mode (CPU stopped,... DRAM refreshed, system running in sleep mode. 2. KB_USBPWB 12 23 A55M-A/USB3 +5V +5VSB (Default) A55M-A/USB3 Keyboard and USB device wake up . • The total current consumed must NOT exceed the power supply capability..., power supply in the BIOS. otherwise, the system would not power up ASUS A55M-A Series 1-21
...wake up the computer by pressing a key on the +5VSB lead for each USB port; 2. A55M-A/USB3 USBPWF 12 23 +5V +5VSB (Default) A55M-A/USB3 USB device wake up • The USB device wake-up from S1 sleep mode (CPU stopped,... DRAM refreshed, system running in sleep mode. 2. KB_USBPWB 12 23 A55M-A/USB3 +5V +5VSB (Default) A55M-A/USB3 Keyboard and USB device wake up . • The total current consumed must NOT exceed the power supply capability..., power supply in the BIOS. otherwise, the system would not power up ASUS A55M-A Series 1-21
A55M-A User's Manual
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...converted to output RGB signal to the fan connectors. 7. USB 2.0 ports 11 and 12 (A55M-A only). Insufficient air flow inside the system may damage the motherboard components. USB 3.0 ports 11 and 12 (A55M-A/USB3 only). This port is HDCP compliant allowing playback of HD DVD, Blu-ray, and other ...protected content. 11. CPU FAN PWM CPU FAN IN CPU FAN PWR GND Rotation +12V GND ASUS A55M-A Series 1-23 CPU and chassis fan connectors (4-pin...
...converted to output RGB signal to the fan connectors. 7. USB 2.0 ports 11 and 12 (A55M-A only). Insufficient air flow inside the system may damage the motherboard components. USB 3.0 ports 11 and 12 (A55M-A/USB3 only). This port is HDCP compliant allowing playback of HD DVD, Blu-ray, and other ...protected content. 11. CPU FAN PWM CPU FAN IN CPU FAN PWR GND Rotation +12V GND ASUS A55M-A Series 1-23 CPU and chassis fan connectors (4-pin...
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...DO NOT forget to install additional devices. 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 recommend that the 20-pin power plug can provide at http://support.asus. Otherwise, the system will not boot up if...
...DO NOT forget to install additional devices. 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 recommend that the 20-pin power plug can provide at http://support.asus. Otherwise, the system will not boot up if...
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...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 set the type... of the SATA connectors in the BIOS to [RAID]. See section 2.5.2 SATA Configuration for Serial ATA hard disk drives and optical disc drives. ASUS A55M-A Series 1-25 ...
...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 set the type... of the SATA connectors in the BIOS to [RAID]. See section 2.5.2 SATA Configuration for Serial ATA hard disk drives and optical disc drives. ASUS A55M-A Series 1-25 ...
A55M-A User's Manual
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... or AC`97 audio standard. Digital audio connector (4-1 pin SPDIF_OUT) 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. See section 2.5.5 Onboard Devices Configuration for a chassis-mounted front panel audio I /O module cable to this... audio module to [HD]. Front panel audio connector (10-1 pin AAFP) This connector is for details. • The front panel audio I/O module is purchased separately. 7. ASUS A55M-A Series 1-27 6.
... or AC`97 audio standard. Digital audio connector (4-1 pin SPDIF_OUT) 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. See section 2.5.5 Onboard Devices Configuration for a chassis-mounted front panel audio I /O module cable to this... audio module to [HD]. Front panel audio connector (10-1 pin AAFP) This connector is for details. • The front panel audio I/O module is purchased separately. 7. ASUS A55M-A Series 1-27 6.
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.... Chapter 2: BIOS information 2-3 The utility automatically checks the devices for A55M-A USB3). • The BIOS file in the removable device into A55MA.CAP (for A55M-A) or A55MAUSB3.CAP (for the BIOS file. Download the latest BIOS file from the ASUS website at www.asus.com. DO NOT shut down or reset the system while updating...
.... Chapter 2: BIOS information 2-3 The utility automatically checks the devices for A55M-A USB3). • The BIOS file in the removable device into A55MA.CAP (for A55M-A) or A55MAUSB3.CAP (for the BIOS file. Download the latest BIOS file from the ASUS website at www.asus.com. DO NOT shut down or reset the system while updating...
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...AC97] Sets the front panel audio connector (AAFP) mode to legacy AC'97. Asmedia USB 3.0 Battery Charging Support [Disabled] (A55M-A/USB3 only) This item appears only when the Asmedia USB 3.0 Controller item is set the Realtek LAN Controller item to [Enabled] ... audio output. [HDMI] Sets to [Enabled]. [Enabled] Enables the Asmedia USB 3.0 battery charging function. [Disabled] Disables this function 2-20 ASUS A55M-A Series Realtek PXE OPROM [Disabled] This item appears only when you to [Enabled]. 2.5.5 Onboard Devices Configuration HD Audio Device [Enabled] [Enabled...
...AC97] Sets the front panel audio connector (AAFP) mode to legacy AC'97. Asmedia USB 3.0 Battery Charging Support [Disabled] (A55M-A/USB3 only) This item appears only when the Asmedia USB 3.0 Controller item is set the Realtek LAN Controller item to [Enabled] ... audio output. [HDMI] Sets to [Enabled]. [Enabled] Enables the Asmedia USB 3.0 battery charging function. [Disabled] Disables this function 2-20 ASUS A55M-A Series Realtek PXE OPROM [Disabled] This item appears only when you to [Enabled]. 2.5.5 Onboard Devices Configuration HD Audio Device [Enabled] [Enabled...
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... COMPUTER INC. 4F, No. 150, LI-TE Rd., PEITOU, TAIPEI 112, TAIWAN TAIWAN ASUS COMPUTER GmbH HARKORT STR. 21-23, 40880 RATINGEN GERMANY Product name : Motherboard Model name : A55M-A/USB3, A55M-A conform with part 15 of the following specifications: FCC Part 15, Subpart B, Unintentional Radiators ..., and (2) this device must accept any interference received, including interference that the product Product Name : Motherboard Model Number : A55M-A/USB3, A55M-A Conforms to the following directives: 2004/108/EC-EMC Directive EN 55022:2010 EN 61000-3-2:2006+A2:2009 EN 55013:2001+...
... COMPUTER INC. 4F, No. 150, LI-TE Rd., PEITOU, TAIPEI 112, TAIWAN TAIWAN ASUS COMPUTER GmbH HARKORT STR. 21-23, 40880 RATINGEN GERMANY Product name : Motherboard Model name : A55M-A/USB3, A55M-A conform with part 15 of the following specifications: FCC Part 15, Subpart B, Unintentional Radiators ..., and (2) this device must accept any interference received, including interference that the product Product Name : Motherboard Model Number : A55M-A/USB3, A55M-A Conforms to the following directives: 2004/108/EC-EMC Directive EN 55022:2010 EN 61000-3-2:2006+A2:2009 EN 55013:2001+...
