Acer Aspire E650 Aspire E650 Service Guide - Page 25

Intel ICH7DH Item Feature Specification T Direct media interface: 10Gb/s each direction, full duplex T PCI Express: two PCI Express x1 T USB controller 2.0 (expanded capability for eight ports) T One channel ultra ATA/100 bus master IDE controller T Four Serial ATA host controllers T I/O APIC T SMBUS T FWH interface T SPI support T Integrated system management controller T Alert-on-LAN T USB: T Eight USB 2.0 ports for serial transfers at 480Mbits/sec. max.; Legacy keyboard and mouse support T Root hub and eight function ports T SMBUS: T Host interface for processor communications T Slave interface for external SMBUS master T PCI bus interface: T PCI rev. 2.3, 3.3V (5V tolerant), 33MHz interface compliant T PCI to system memory data streaming up to 132MB/sec. T Concurrent multiple PCI master transaction T Zero wait state PCI master and slave burst transfer rate T 32 levels (double-words) of post write buffers from PCI masters to DRAM Chapter 1 15