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Motherboard Specifications, M2N61-AR (Acacia)

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Support details

Motherboard specifications table
Part / FeatureSpecification / Support
Motherboard description
  • Motherboard manufacturer's name: Asus M2N61-AR
  • HP/Compaq name: Acacia-GL6E
CPU/Processor
  • Socket: AM2
  • Supports the following processors:
    • Athlon 64 X2 with Dual Core technology up to 65 Watt
    • Athlon 64 up to 65 Watt
    • Sempron up to 65 Watt
Front-side bus (FSB)
  • 2000MT/s (2.0 GT/s)
Chipset
  • NVIDIA GeForce 6150SE nForce 430
BIOS features
  • Keyboard combination to used to enter BIOS: F10
  • System BIOS core brand: AMI
Form factor
  • Mini-ITX: 7.5 in X 6.8 in
Memory
  • Dual channel memory architecture (1 DIMM per channel)
  • Two 240-pin DDR2 DIMM sockets
  • Supported DIMM types:
    • PC2-4200 (533 MHz)
    • PC2-5300 (667 MHz)
    • PC2-6400 (800 MHz)
  • Single or double-sided DIMMs
  • Non-ECC memory only, unbuffered
  • Supports 2GB DDR2 DIMMs
  • Supports up to 4 GB* (2 x 2 GB)
    • 32 bit PCs cannot address a full 4.0 GB of memory.


NOTE: *Actual available memory may be less
Expansion slots
  • One PCI
  • One PCI Express x16 graphics (for graphics card)
Video graphics
  • Integrated graphics using nVidia GeForce 6150SE
  • Up to 256MB (with 512MB or more system memory)
  • Also supports PCI Express x16 graphics cards


NOTE: Either integrated graphics or the PCI Express x16 slot are usable at one time; they are not usable concurrently.
Serial ATA
  • Two SATA connectors:
    • SATA1 = Black
    • SATA2 = White


  • Supports 1 SATA-150 or SATA-300 disk drive on each SATA connector
  • Speed up to 1.5Gb/sec or 3.0Gb/sec, complying with SATA 1.0 and SATA 2.0 specifications


NOTE: The faster rate of 3.0Gb/sec requires that both the hard drive and the motherboard support it. If one or the other does not support 3.0 Gb/sec, the system negotiates down to the slower 1.5 Gb/sec.
Onboard audio
  • Audio CODEC: ALC888S
  • 6 channel high-definition audio
Onboard LAN
  • 10/100Mbps LAN PHY
  • PCI Realtek RTL8201CL
Onboard USB
  • USB 2.0
  • Ten ports total
    • four connectors on back panel
    • four additional headers on motherboard support six additional ports/devices


NOTE: Some USB ports may not be available externally for customer use. For more information, see model specifications.
Onboard 1394
  • Type: IEEE 1394a 400Mb/s
  • Agere LFW3226-100 (or equivalent) controller chip
  • One port total
  • One port on back panel
  • No header on motherboard
Back panel I/0
  • One PS/2 mouse port (green)
  • One PS/2 keyboard port (purple)
  • One coaxial SPDIF out port
  • One VGA port
  • Four USB 2.0
  • One IEEE 1394a
  • One RJ-45 networking port
  • Three Stereo-mini audio jacks for:
    • Line-in (light blue)
    • Line-out (lime)
    • Microphone-in (pink)
Internal connectors
  • One 2 x 12 mini power connector
  • Two SATA connectors
  • One 4-pin 12v PC fan connector
  • One 9-pin header for power button, reset button, power LED, and HDD LED
  • One SPDIF digital audio output connector
  • One 9-pin audio header for headphone-out (yellow, Vista capable, requires matching front audio jack, no mic-in support)
  • Three USB 2.0 headers supporting 6 USB ports
  • One jumper for resetting BIOS settings
  • One jumper to disable BIOS password checking
NOTE: Motherboard specifications are subject to change without notice.
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Motherboard layout and photos
Figure 1: layout
Figure 2: Photograph
Figure 3: Backplate
1 - PS/2 mouse port (green). This port is for a PS/2 mouse.
2 - Coaxial SPDIF Out port (orange). This port connects an external audio device through a coaxial SPDIF cable.
3 - Video Graphics Adapter port. This 15-pin port is for a VGA monitor or other VGA-compatible devices.
4 - IEEE 1394a port. This 6-pin IEEE 1394a port provides high-speed connectivity for audio/video devices, storage peripherals, PCs, or portable devices.
5 - LAN (RJ-45) port. This port allows connection to a Local Area Network (LAN) through a network hub.
6 - Line In port (light blue). This port connects a tape, CD, DVD player or other audio sources.
7 - Line Out port (lime). This port connects a headphone or a speaker. In 4-channel or 6-channel mode, the function of this port becomes Front Speaker Out.
8 - Microphone port (pink). This port connects a microphone.
9 - USB 2.0 ports 1, 2, 3, and 4. These four 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.
10 - PS/2 keyboard port (purple). This port is for a PS/2 keyboard.
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Clearing the BIOS settings
CAUTION: Do not change any jumper setting while the computer is on. Damage to the motherboard can result.
This motherboard has jumpers to clear the Real Time Clock (RTC) RAM in CMOS.
NOTE: On certain case designs the jumpers may be difficult to access. It may be easier to remove the CMOS battery to clear the BIOS settings.
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Clearing CMOS
To clear CMOS, follow these steps:
On certain case designs the jumpers may be difficult to access. It may be easier to remove the CMOS battery to clear the BIOS CMOS.
  1. Temporarily set jumper CLEAR CMOS to pins 1-2.
  2. Wait 5-10 seconds and then return the jumper to pins 2-3.
  3. When you startup the PC you will need to enter BIOS setup to reset any custom BIOS settings.
Clearing the BIOS password settings
The BIOS password is used to protect BIOS settings from unwanted changes. If you have forgotten your password you may disable password checking.
NOTE: On certain case designs the jumpers may be difficult to access. It may be easier to remove the CMOS battery to clear the BIOS settings.
To erase the BIOS password follow these steps:
  1. Turn OFF the computer and unplug the power cord.
  2. Locate the jumper labeled CLEAR P.W.
  3. Move the jumper on jumper CLEAR P.W. to pins 1-2.
  4. Plug the power cord and turn ON the computer.
  5. Hold down the F10 key during the startup process and enter BIOS setup to change or clear the password.
  6. After changing or clearing the BIOS passwords, remember to reset the jumper to pins 2-3.
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