Usb Ports - Acer Aspire X1935 Service Manual

USB Ports

USB2.0:
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Rear IO : * 4 ports
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Internal Header:
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*4 ports (2 * USB2.0 H5X2 Header) for B75
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- All ports should meet USB IF spec and support 1A current over drive.
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USB3.0:
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Internal Header: * 2 ports.
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One port support USB fast charging.(Meet USB battery charging spec. ver. 1.2. , Apple charging
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including ipad.) The other port support standard USB 3.0 downstream port.
Support fast charging in S0, S3, S4, S5, G3 to S5.
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All ports should meet USB IF spec and support 2A capability for each port (S0).
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reserve design for two USB 3.0 standard down stream ports.
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Internal USB 3.0 H10x2 connector, follow the Industrial standard
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H2x1 with Vbus which is required to provide 3A current to front daughter board
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Charging IC is required for fast charger. (ODM proposed)
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Rear IO: * 2 ports.
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All ports should meet USB IF spec and support 2A capability for each port (S0).
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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 * Dual USB2.0 connector
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2 * USB 3.0 stack
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1 * 3 ports Audio jack
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On-board connectors
1 * ILM(Independent Loading Mechanism) for LGA 1155 CPU (assign by Acer).
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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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2 * SATA 3Gb/s.
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1 * SATA 6Gb/s.
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2 * USB2.0 H5X2 Header (support 4 ports).
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1 * USB 3.0 H10x2 Header (support 2 ports).
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1 * H2x1 for Vbus.
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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 * H1X4 System with SAMRT FAN controller (co-lay with 3 pin FAN control).
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