Chapter 1 3
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).
