RTA-03B 2S/1P CARD

1) FEATURES

* 2 STANDARD ASYNCHONOUS SERIAL PORTS. (OR ONE OPTIONAL)

* IN THE SECOND SERIAL PORT. IT CAN BE CHANGE UART CHIP (16C450) TO

HIGH SPEED UART (16C550), OR CHANGE TO UART (16C650) FOR SPECIAL

PURPOSE TO ENHANCE COMMUNICATION.

* IN THE SECOND SERIAL PORT. THE OPERATE CLOCK (1.84/7.15 MHz) FOR

UART 16C650 ONLY.

* THE SERIAL ADDRESS SELECTABLE : COM1 - COM4 OR COM5 - COM8.

COM1($3F8), COM2($2F8), COM3($3E8), COM4($2E8),

COM5($268), COM6($3EO), COM7($2EO), COM8($260).

* THE SERIAL INTERRUPT SELECTABLE : IRQ 3,4,5,6,7,9 (FOR PC/AT UP)

IRQ 2,3,4,5,6,7 (FOR PC/XT)

* ONE STANDARD PRINTER PORT ON BOARD.

* THE PRINTER ADDRESS SELECTABLE : LPT1($3BC), LPT2($378), LPT3($278).

* THE PRINTER INTERRUPT SELECTABLE :IRQ5 OR IRQ7.

* ALL PORTS CAN BE  EN/DISABLE.

* " CE " APPROVAL.

Start: 1/18/2002 Update: 09.17.2009