Acer Aspire X1935 Acer Aspire X1935 Desktop Service Guide - Page 11

USB Ports • USB2.0: • Rear IO : * 4 ports • Internal Header: • *4 ports (2 * USB2.0 H5X2 Header) for B75 • - All ports should meet USB IF spec and support 1A current over drive. • USB3.0: • Internal Header: * 2 ports. • One port support USB fast charging.(Meet USB battery charging spec. ver. 1.2. , Apple charging including ipad.) The other port support standard USB 3.0 downstream port. • Support fast charging in S0, S3, S4, S5, G3 to S5. • All ports should meet USB IF spec and support 2A capability for each port (S0). • reserve design for two USB 3.0 standard down stream ports. • Internal USB 3.0 H10x2 connector, follow the Industrial standard • H2x1 with Vbus which is required to provide 3A current to front daughter board • Charging IC is required for fast charger. (ODM proposed) • Rear IO: * 2 ports. • All ports should meet USB IF spec and support 2A capability for each port (S0). Buzzer • 1 on board buzzer. Rear I/O connectors • 1 * PS2 KB+MS • 1 * VGA connector • 1 * HDMI • 1 * RJ45 + Dual USB2.0 • 1 * Dual USB2.0 connector • 2 * USB 3.0 stack • 1 * 3 ports Audio jack On-board connectors • 1 * ILM(Independent Loading Mechanism) for LGA 1155 CPU (assign by Acer). • 1 * 24-pin ATX PWR connector. • 1 * H2X4 Power Supply Connector. • 4 * DDR3 DIMM Socket. • 2 * SATA 3Gb/s. • 1 * SATA 6Gb/s. • 2 * USB2.0 H5X2 Header (support 4 ports). • 1 * USB 3.0 H10x2 Header (support 2 ports). • 1 * H2x1 for Vbus. • 1 * Front Audio Pannel H5X2 header. • 1 * Front Panel IO H7X2 Header for Acer pin define. • 1 * H1X4 CPU with SAMRT FAN controller. • 1 * H1X4 System with SAMRT FAN controller (co-lay with 3 pin FAN control). Chapter 1 3