
XTX 820 Reference Manual 15
Chapter 3 Hardware
Overview
This chapter discusses the chips and features of the connectors in the following order:
• CPU (U1)
• Memory
• PCI Bus Interface (J1)
♦ USB Interface
♦ Audio Interface
• PCI Express (J2)
♦ Serial ATA (SATA)
♦ ExpressCards
♦ AC'97/HDA
♦ LPC bus
• Primary I/O Interface (J3)
♦ Floppy/Parallel Interface
♦ Serial Port Interfaces
♦ PS/2 Keyboard and Mouse
♦ Infrared (IrDA)
♦ Video Interfaces (CRT & LVDS)
• IDE and Auxiliary Interface (J4)
♦ Primary IDE Interface
♦ Ethernet Interface
♦ Time of Day (RTC)/Battery and Speaker
♦ Power Control and Management
♦ SMBus
• Miscellaneous
♦ Serial Console (Remote Access)
♦ Temperature Monitoring
♦ Watchdog timer
♦ Power
NOTE Ampro Computers, Inc. only supports the features/options tested and listed in this
manual. The main integrated circuits (chips) used in the XTX 820 may provide
more features or options than are listed for the XTX 820, but some of these chip
features/options are not supported on the board and will not function as specified
in the chip documentation.