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Chapter 2 Product Overview
MightyBoard 821 Reference Manual 5
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Provides standard printer port
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Supports IEEE standard 1284 protocols of EPP and ECP outputs
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Provides bi-directional data lines
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Supports 16 byte FIFO for ECP mode
• USB Ports
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Provides two root USB hubs
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Provides six USB ports
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Supports USB bootable devices
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Supports USB 2.0 and legacy USB v1.1
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Supports over-current fuses on board
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Supports over-current detection status on board
• Serial Ports
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Provides four buffered serial ports with full handshaking
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Provides 16550-equivalent controllers, each with a built-in 16-byte FIFO buffer
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Supports RS232 capability on all four ports
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Supports full modem capability on three of the four ports
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Supports RS485 or RS422 operation on two of the four ports
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Supports programmable word length, stop bits, and parity
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Supports 16-bit programmable baud-rate generator and an interrupt generator
• Infrared Interface
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Provides a five-pin IrDA interface header (J7)
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Supports IrDA v1.1
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Supports HPSIR and ASKIR infrared modes
• Keyboard/Mouse Interface
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Provides a single PS/2 keyboard port
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Provides a single PS/2 mouse port
• Audio Interface
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Provides a single three-pin audio stack for MIC In, Line In, and Line Out
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Supports AC'97 standard
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AC'97 CODEC on board
• Ethernet Interface
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Supports two fully independent ethernet ports
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Integrated LEDs on each port (Link/Activity and Speed)
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Provides PCIe interface using Intel 82573V controller
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Supports IEEE 802.11 10BaseT/100BaseTX/1000BaseT compatible physical layer
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Supports auto-negotiation for speed, duplex mode, and flow control
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Supports full duplex or half-duplex mode
• Full-duplex mode supports transmit and receive frames simultaneously
• Supports IEEE 802.11 flow control in full duplex mode