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Motherboard Specifications, M3970AM-HP (Angelica2)

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Figure 1: The Angelica2 motherboard
Photograph of motherboard
  • Manufacturer's name: Gigabyte
  • Motherboard name: M3970AM-HP
  • HP/Compaq name: Angelica2
  • uATX form factor: 24.4 cm (9.6 inches) x 24.4 cm (9.6 inches).
  • AMD 970
  • UMI (United Media Interface)
  • 4 lane, 5 GT/s per lane
  • Socket type: AM3-b
  • TDP: up to 125W
  • Motherboard supports the following processor upgrades:
    ProcessorTDP
    FX-4100 (Zambezi) 95W
    FX-6100 (Zambezi) 95W
    FX-6120 (Zambezi) 95W
    FX-6200 (Zambezi) 125W
    FX-8100 (Zambezi) 95W
    FX-8120 (Zambezi) 95W or 125W
    FX-8150 (Zambezi) 125W
    FX-8350 (Zambezi) 125W
  • Dual channel memory architecture
  • Four 240-pin DDR3 DIMM sockets
  • Supports DDR3 DIMMs
    • PC3 10600 (DDR3-1333)
    • PC3 12800 (DDR3-1600)
  • Non-ECC memory only, unbuffered
  • Supports 1 GB, 2 GB, 4 GB and 8 GB DIMMs
  • Supports up to 32 GB on 64-bit systems
  • Supports up to 4 GB on 32-bit* systems
NOTE:*32-bit systems cannot address a full 4.0 GB of memory

Video

  • Integrated graphics are not available on this motherboard.
  • A graphics card can be placed in the PCI Express x16 slot
*Integrated audio is not available if a sound card is installed.
  • Built-in High Definition 7.1 channel audio
  • Audio codec: IDT 92HD89E
  • Technology: RTL8171EH-CG Gigabit Ethernet Controller
  • Data transfer speeds: up to 10/100/1000 Mb/s
  • Transmission standards: 1000-Base-T Ethernet
  • One PCI Express x16 (Gen 2.0)
  • Three PCI Express x1 (Gen 2.0)
  • One PCI Express mini card (for half-length add-in cards) with USB connector

I/O Ports and internal connectors

Figure 2: Back I/O ports
Image of the back I/O ports
1 - S/PDIF
2 - USB 2.0: 4
3 - LAN (ethernet)
4 - Audio center/subwoofer
5 - Audio: Line-in
6 - Audio: Line-out
7 - Audio: Rear speaker out
8 - Audio: Microphone
9 - Audio: Side speaker out
  • Six SATA 3.0
  • Four USB 2.0
  • One system fan
  • One CPU fan
  • One pump fan (for liquid cooling option)
  • One front panel
  • One front audio
  • One power supply
  • One ATX 12-volt power
CAUTION: Do not change any jumper setting while the computer is on. Damage to the motherboard can result.

Clearing the CMOS settings

This motherboard has a jumper to clear the Real Time Clock (RTC) RAM in CMOS.
  1. Turn OFF the computer and unplug the power cord.
  2. Move the jumper from pins 2-3 (default) to pins 1-2, then move the jumper back to pins 2-3.
  3. Plug the power cord and turn ON the computer.
The BIOS password is used to protect BIOS settings from unwanted changes.
To erase the BIOS password follow these steps:
  1. Turn OFF the computer.
  2. Remove the jumper from pins 1-2 (default).
  3. Replace the jumper.
  4. Turn ON the computer.