Acer Aspire M3450 Service Manual page 11

Extension slot
1 PCI Express x16 slot
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2 PCI Express x1
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1 PCI slot
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USB 2.0 ports
Controller: AMD SB950.
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Ports Quantity: 12
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6 port for rear ports.
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4 ports for front daughter board.
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2 ports for rear daughter board.
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Connector Pin: Standard FPIO pin definition.
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Data transfer rate support: USB 2.0/1.1
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USB 3.0
Controller: Etron EJ168A USB 3.0
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Rear IO: 2 ports.
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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 port.
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1 * RJ45 Lan port.
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6 * USB 2.0 ports.
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2 * USB 3.0 ports.
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1 * 3 ports Audio jack(Line in, microphone in and line out).
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On-board connectors
1 * AM3+ CPU socket.
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4 * DDR3 memory sockets.
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1 * PCI Express x16 slot.
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2 * PCI Express x1 slots.
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1 * PCI slot.
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1 * 24-pin ATX Power Supply connector.
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1 * 4-pin ATX Power Supply connector.
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1 * 3-pin CPU_FAN connector.
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1 * 3-pin SYS_FAN connector
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4 * USB 2.0 headers support additional 8 USB 2.0 ports.
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6 * Serial ATA 6Gb/s connectors.
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1 * Front panel switch/LED header.
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1 * Front panel audio header.
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1 * Clear CMOS header.
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