Ampro Corporation Littleboard 550 manual Chapter

Chapter 2 Product Overview

♦Supports RS232, RS485, or RS422 operation on each port

♦Supports programmable word length, stop bits, and parity

♦Supports 16-bit programmable baud-rate generator and a interrupt generator.

•Parallel Port

♦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 two root USB hubs

♦Supports up to four USB ports

♦Supports USB bootable devices

♦Supports USB v1.1 and Universal OHCI v1.1

♦Supports over-current fuses on board

♦Supports over-current detection status on board

•Keyboard/Mouse Interface

♦Supports PS/2 keyboard

♦Supports PS/2 mouse

•Audio interface

♦Supports AC’97 standard

♦AC’97 CODEC on board

♦Audio amplifier on board

•Ethernet Interface

♦Supports two fully independent Ethernet ports

♦Integrated LEDs on each port (Link/Activity and Speed)

♦Two Intel 82551ER Controller chips

♦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

8 Reference Manual LittleBoard 550