Chapter 2 Product Overview
8 Reference Manual XTX 820
• Infrared Interface
♦ Supports a single IrDA 1.1 port
♦ Supports HPSIR and ASKIR infrared modes
• Parallel Port
♦ Shares output connector with Floppy controller
♦ Supports standard printer port
♦ Supports IEEE standard 1284 protocols of EPP and ECP outputs
♦ Bi-directional data lines
♦ Supports 16 byte FIFO for ECP mode.
• USB Ports
♦ Supports three root USB hubs
♦ Supports six USB ports
♦ Supports USB v2.0 (EHCI) and legacy v1.1
♦ Supports over-current fuses on board
• Keyboard/Mouse Interface
♦ Supports PS/2 keyboard
♦ Supports PS/2 mouse
• Audio interface
♦ Supports AC’97 standard
♦ AC’97 HDA (High Definition Audio) CODEC on board
♦ Supports audio amplifier on baseboard
• Ethernet Interface
♦ Supports one Ethernet port
♦ I/O Hub (Southbridge) provides MAC Ethernet Controller
♦ Intel 82562GZ provides the PHY Ethernet interface
♦ Requires magnetics and RJ45 connector on baseboard
♦ Supports IEEE 802.3 10BaseT/100BaseTX compatible physical layer
♦ Supports Auto-negotiation for speed, duplex mode, and flow control
♦ Supports full duplex or half-duplex mode
• Full-duplex mode supports transmit and receive frames simultaneously
• Supports IEEE 802.3x Flow control in full duplex mode
• Half-duplex mode supports enhance proprietary collision reduction mode
• Video Interfaces (CRT/LVDS/TV Out/SDVO)
♦ Support CRT resolutions up to 2048x1536 @ 75 Hz (QXGA)
♦ ♦ Supports 8-bits for each RGB DAC or 24-bit RAMDACSupports up to 128 MB of
system memory
♦ System memory is allocated using Dynamic Video Memory Technology (DVMT) v3.0
♦ Supports Dual independent display
