Specifications

ManualsBrandsRadiSys ManualsComputer equipmentEPC-2

Port Functional group Usage

2B1 Initiator command

2B2 Mode

2B3 Target command

2B4 Bus status (R)

Select enable (W)

2B5 Bus and status register (R)

Start DMA send (W)

2B6 Input data (R)

Start DMA target receive (W)

2B7 Reset parity/interrupts (R)

Start DMA initiator recv (W)

2B8 IEEE 488 Controller Data-in / Byte-out

2B9 Interrupt status/mask 1

2BA Interrupt status/mask 2

2BB Serial poll status/mode

2BC Address status/mode

2BD Command pass-through /

Auxiliary mode

2BE Address 0

2BF Address 1 / End of string

2F8 COM2 serial port Receiver/transmitter buffer

Baud rate divisor latch (LSB)

2F9 Interrupt enable register

Baud rate divisor latch (MSB)

2FA Interrupt ID register

2FB Line control register

2FC Modem control register

2FD Line status register

2FE Modem status register

378 LPT1 parallel port Printer data register

379 Printer status register

37A Printer control register

3B4 Video controller CRT index register (mono)

3B5 CRT ctlr data reg (mono)

0 Horizontal total register

1 Horiz display enable end

2 Start horiz blanking

3 End horizontal blanking

4 Start horiz retrace pulse

5 End horizontal retrace

6 Vertical total register

7 Overflow

8 Preset row scan

9 Max scan line/others

A Cursor start

B Cursor end

C Start address high

D Start address low

E Cursor location high

F Cursor location low

10 Vertical retrace start

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