Measurement-computing CIO-DIO24 Instrukcja Użytkownika Pobierz pdf (Strona 10)

CIO-DIO24 User's Guide Installing the CIO-DIO24

Hex Range Function Function Hex Range

0A0-0A1 8259 PIC #2 (AT) K (XT) 320-32F HARD DIS

0A0-0AF T) LLEL PRINTER NMI MASK (X 378-37F PARA

0C0-0DF 8237 #2 (AT) 380-38F SDLC

0F0-0FF 80287 NUMERIC CO-P (AT) 3A0-3AF SDLC

1F0-1FF HARD DISK (AT) 3B0-3BB MDA

200-20F GAME CONTROL 3BC-3BF PARALLEL PRINTER

210-21F EXPANSION UNIT (XT) 3C0-3CF EGA

238-23B BUS MOUSE 3D0-3DF CGA

23C-23F ALT BUS MOUSE 3E8-3EF SERIAL PORT

270-27F PARALLEL PRINTER 3F0-3F7 FLOPPY DISK

2B0-2BF EGA 3F8-3FF SERIAL PORT

You can set the ba ess in the range of 000-3FC. I re not using IBM

ng cards o ich occupies these ad e CIO-DIO24 board's default address of

ree to use.

s not spec such as 390-39Fh, are not nd may ailable. Check your

for other O addresses.

pt leve

an input

evel on Pin 2,

IR Enable.

er and

g table for some typical interrupt assignments on a

computer.

The CIO-DIO24 is shipped with the jumper in the "

X" position, which means that no interrupt level is set

ace

se address switch to any addr f you a

prototypi r another board wh dresses, th

300h is f

Addresse ifically listed, reserved a be av

computer boards which may use I/

Interru l

The trigger logic on the CIO-DIO24 is quite simple. Pin 1 (IR Input) of the board's 37-pin connector is

jumper which maps the interrupt directly onto the PC bus. The signal to the bus is buffered. The buffer is

enabled by a LOW l

Interrupts are hardware-initiated software routines. Most hardware interrupts are assigned by the comput

are reserved for internal system use. Refer to the followin

(Figure 3). Leave the jumper in the default "X" position for now. If your software employs interrupt service

routines, it will direct you to select an IRQ level. Use the jumper block labeled

IR1 above the PC bus interf

(gold pins) if you want to set the interrupt.

IR1

Figure 3. Interrupt level select jumper (no interrupt level set)

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 19 20

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