Computer Hardware User Manual

Chapter 2 Product Overview
CoreModule 420 Reference Manual 7
CompactFlash Socket
Supports Type II PC card connector
Supports IDE CompactFlash card
Utilizes Secondary IDE bus
Floppy Disk Controller
Shared connector with parallel port
Supports two floppy drives
Supports all standard PC/AT formats: 360kB, 1.2MB, 720kB, 1.44MB, 2.88MB
Serial Ports
Four buffered RS232 serial ports with full handshaking and modem capability
Provides 16550 or 15540-equivalent controllers, each with a built-in 16-byte FIFO buffer
Ports 1 and 2 support RS232 or RS485 operation
Supports programmable word length, stop bits, and parity
Supports 16-bit programmable baud-rate generator and a interrupt generator
Parallel Port
Shared connector with Floppy drive port
Supports standard printer port
Supports IEEE standard 1284 protocols, including EPP, ECP modes
Bidirectional data lines
Supports 16 byte FIFO for ECP mode
Ethernet Controller
Intel 82551ER Controller chip
Supports IEEE 802.3 10BaseT/100BaseT 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 enhanced proprietary collision reduction mode
Utility Interface
Keyboard and PS/2 Mouse Interface
Supports external battery for Real Time Clock operation
Supports standard 8 speaker interface
Supports a Reset switch
USB Ports
Supports one root USB hub
Supports one USB port
Supports USB v1.1 and Universal OHCI v1.1