Usb Interface - Acer Aspire E571 Service Manual

Super I/O
Item Description
Chip ITE IT8718F
Feature • Low pin count interface
• Serial flash I/F for BIOS
• Consumer remote control (TV remote) IR with power-up feature
• 8-pin VID
• SST interface
• PECI interface (host)
• Multi curve for one fan control
• Multi sensor for one fan control
• New PCIRST circuit
• PC98/99/2001, ACPI and LANDesk compliant
• Enhanced hardware monitor
• Fan speed controller
• SmartGuardian controller
• Single +5V power supply
• Two 16C550 UARTs
• Floppy disk controller
• IEEE 1284 parallel port
• Keyboard controller
• 48 general purpose I/O pins
• Watchdog timer
• ITE innovative automatic power-failure resume and power button
• Serial IRQ support
• Vbat and Vcch support
• Single +5V power supply
• 128-pin QFP

USB Interface

Item Description
Chip ATI SB600
Feature • Five OHCI and one EHCI host controllers to support ten ports
• Three 2*5 onboard headers
• Compliant to standard Intel FPIO pin definition
• USB 2.0/1.1 support
Chapter 1
debounce
• Four ports for front daughter board
• Two ports for internal USB card reader + IR module
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