Jumper Settings
Table A–7
Digital I/O pulled high / pulled low jumper, W1
Jumper block W1
Pins jumpered
Configuration of 19 I/O lines
[1:2] Pulled
high
[2:3]* Pulled
low
* default
Note
If the digital I/O port is configured as an LPT printer port, these lines must be
pulled low.
Table A–8
ISA bus interrupt routing, W4 and W5
ISA bus interrupts
Pins jumpered
Source
Destination
W4[1:2]
Bus IRQ3
IRQ3
W4[1:3] *
Bus IRQ3
IRQ10
W4[5:6]
Bus IRQ4
IRQ4
W4[5:7] *
Bus IRQ4
IRQ11
W5[1:3]
Bus IRQ5
IRQ7
W5[3:4]
Bus IRQ5
IRQ5
W5[3:5] *
Bus IRQ5
IRQ14
W5[4:6]
Bus IRQ6
IRQ5
W5[5:6]
Bus IRQ6
IRQ14
W5[6:8] *
Bus IRQ6
IRQ6
W4[7:9]
Bus IRQ6
IRQ11
W4[9:10]
Bus IRQ6
IRQ12
W5[1:2] *
Bus IRQ7
IRQ7
W5[1:3]
Bus IRQ7
IRQ5
* default
Note
Bus IRQ6 can be inadvertently routed to two interrupts. This is not an acceptable
configuration.
Table A–9
Onboard interrupt routing, W4
Onboard interrupts
Pins jumpered
Source
Destination
W4[2:4] *
Serial B IRQ (COM2)
IRQ3
W4[3:4]
Serial B IRQ (COM2)
IRQ10
W4[4:6]
Serial B IRQ (COM2)
IRQ4
W4[6:8] *
Serial A IRQ (COM1)
IRQ4
W4[7:8]
Serial A IRQ (COM1)
IRQ11
W4[8:10]
Serial A IRQ (COM1)
IRQ12
* default
110
Содержание 5266
Страница 18: ...Figure 2 1 5266 component diagram top 18 ...
Страница 19: ...Figure 2 2 5266 component diagram bottom 19 ...
Страница 20: ...Figure 2 3 5266 dimensions inches 20 ...
Страница 21: ...Figure 2 4 5266 dimensions mm 21 ...