System Bios; Power Supply - Acer Aspire M3970 Service Manual

2 ports locate in Chassis rear side.
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All USB ports must be boot-capable includes USB-ODD, USB-HDD, USB-FDD, and etc...
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All USB ports must be 2.0 certified.
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All USB ports must provide the over current protection.
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Buzzer
1 on board buzzer.
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Rear I/O connectors
1 * PS2 KB+MS
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1 * VGA connector
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1 * HDMI
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1 * RJ45 + Dual USB2.0
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1 * Qual USB2.0 connector (4 ports)
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1 * 3 ports Audio jack
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On-board connectors
1 * ILM+SKT+BP for LGA 1155 CPU.
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1 * 24-pin ATX PWR connector.
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1 * H2X4 Power Supply Connector.
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4 * DDR3 DIMM Socket.
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4 * SATA 3Gb/s.
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2 * SATA 6Gb/s.
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4 * USB2.0 H5X2 Header (support 8 ports).
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1 * Front Audio Pannel H5X2 header.
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1 * Front Panel IO H7X2 Header for Acer pin define.
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1 * H1X4 CPU with SAMRT FAN controller.
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1 * H1X3 System with SAMRT FAN controller.
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1 * H1X4 SPDIFOUT Header for Acer pin define, close to PCIex16 interface.
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1 * H3X1 Clear CMOS Header (with jumper).
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1 * onboard Buzzer.
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2 * H1X2 GPIO header.
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1 * 3pin ME enable / disable connector ( Jumper).
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System BIOS

Size: 32MBits / 4M Bytes
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AMI Kernel with Acer skin/copyright
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Power supply

Non PFC 300W / PFC 300W / FR 300W(Support models are listed on AVLC).
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