Acer Aspire X3990 - System Bios; Power Supply

Chapter 1 3
Rear I/O connectors
• 1 * PS2 KB+MS
• 1 * VGA connector
• 1 * HDMI
• 1 * RJ45 + Dual USB2.0
• 1 * Qual USB2.0 connector (4 ports)
• 1 * 3 ports Audio jack
On-board connectors
• 1 * ILM for LGA 1155 CPU.
• 1 * 24-pin ATX PWR connector.
• 1 * H2X4 Power Supply Connector.
• 2* DDR3 DIMM Socket.
• 2 * SATA 2.0.
• 4 * USB2.0 H5X2 Header (support 8 ports).
• 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.
• 1 * H1X4 SPDIFOUT Header for Acer pin define.
• 1 * H3X1 Clear CMOS Header (with jumper).
• 1 * onboard Buzzer.
• 2 * H1X2 GPIO header.
• 1 * 3pin ME enable / disable connector ( Jumper).
System BIOS
• Type: Use SPI Flash
• Size: 32Mb
• Kernel: AMI Kernel with Acer skin
Power supply
• Non PFC 220W / PFC 220W
• FR 220W.
• Support models are listed on AVLC.