Advantech PCA-6774 user manual Jumpers, Connectors

Chapter 2 Installation

2.1 Jumpers

The PCA-6774 has a number of jumpers that allow you to configure your system to suit your application. The table below lists the functions of the various jumpers.

Table 2.1: Jumpers

Label	Function
J1	CMOS clear
J2	Watchdog timer output selection
J3	COM2 RS232-422-485 Select

2.2 Connectors

Onboard connectors link the PCA-6774 to external devices such as hard disk drives, a keyboard, or floppy drives. The table below lists the func- tion of each of the board’s connectors

.

Table 2.2: Connectors

Label	Function
CN1	Primary IDE Connector
CN2	Secondary IDE Connector
CN3	Floppy Connector
CN4	Printer Port Connector
CN5	CompactFlash Socket
CN6	USB Port 1, 2
CN7	D-SUB VGA Connector
CN8	LAN RJ45 Connector
CN9	COM Port 1
CN10	COM Port 2
CN11	PS/2 Keyboard & Mouse Connector

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