Measurement-computing Personal488 rev.1.0 Manual de usuario descargar pdf (Pagina 37)

Personal488 for Windows 95/98/Me/NT/2000/XP 889496 Hardware Configuration Reference 4-11

GP488B/MM PC104 Configurations

DMA

Channel 1

On-board

8 MHz Clock

SW1

JP1

JP2 JP3

Interrupt

Level 5

JP2 JP3

JP1

GP488B/MM PC104 Interface Board

GP488B/MM PC104 Default Settings

No Wait

States

SW1

6 7 8

2 3

OPEN

6 7 8 5 2 3

OPEN

Interrupt

Level 5

The I/O base address, IRQ, and DMA settings are switch/jumper selectable via the

following locations on the GP488B/MM interface board: One 8-microswitch DIP switch

labeled SW1, two 12-pin headers labeled JP2 and JP3, and one 3-pin header labeled JP1.

The DIP switch settings and the arrangement of the jumpers [on the headers] set the

hardware configuration.

For the next steps, make sure that the I/O address, IRQ, and DMA, set on the interface

board are different from any existing ports in your system. A conflict results when two I/O

addresses, IRQs, or DMAs are the same. (As the exception, additional GP488B/MM

interfaces may share the same IRQ and DMA values). If there is a conflict, reconfigure the

switch/jumper settings. Refer to the following figures as needed.

Selected I/O Base

Address

02E1 22E1 42E1 62E1

Automatic Offset Addresses Read Register Write Register

02E1 22E1 42E1 62E1 Data In Data Out

06E1 26E1 46E1 66E1 Interrupt Status 1 Interrupt Mask 1

0AE1 2AE1 4AE1 6AE1 Interrupt Status 2 Interrupt Mask 2

0EE1 2EE1 4EE1 6EE1 Serial Poll Status Serial Poll Mode

12E1 32E1 52E1 72E1 Address Status Address Mode

16E1 36E1 56E1 76E1 CMD Pass Through Auxiliary Mode

1AE1 3AE1 5AE1 7AE1 Address 0 Address 0/1

1EE1 3EE1 5EE1 7EE1 Address 1 End of String

1 2 ... 32 33 34 35 36 37 38 39 40

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