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PCIMAC and DataFire Switch Settings PCIMAC and DataFire Switch Settings
Problem:
What are the switch or jumper settings for the DataFire or PC IMAC?
Solution:
Address and Line Termination Settings for DataFire and PC
IMAC:
-
Datafire I/O port address.
-
DS1 switch sets I/O port address
-
OFF: switch away from board
-
ON: switch toward the board
I/O Address Chart
| DS1 SW |
350 |
340 |
310 |
300 |
150 |
140 |
110 |
Disabled |
| 1 |
off |
off |
off |
off |
on |
on |
on |
on |
| 2 |
off |
off |
on |
on |
off |
off |
on |
on |
| 3 |
off |
on |
off |
on |
off |
on |
off |
on |
| 4 |
- |
- |
- |
- |
- |
- |
- |
- |
Pick non-conflicting I/O port address, best choices are 350h or 340h.
Use 110h or 140h as last choice these are reserved or used by a number
of devices.
- Line Termination settings for the Datafire S/T board.
- Line Termination for the Datafire S/T is set using Dip Switch DS2.
- The factory setting of DS2 is down, by default this places 100 ohm
terminating resistors across the transmit and receive lines. In the event
that another device is installed on the same BRI line, only one device
should be terminated. If the other device's termination can not be easily
disabled, reposition DS2 dip switch.
- Datafire S/T4 Dip Switch DS2
- Switch 7 & 8 used for Port 1, Switch 5 & 6 for Port 2, Switch
3 & 4 for Port 3, Switch 1 & 2 for Port 4.
-
PC/IMAC I/O port and memory addresses.
-
DS1 switch sets I/O port address
-
Memory & IRQ are set with the driver.
-
OFF: switch away from board
-
ON: switch toward the board
I/O Address Chart
|
DS1 SW
|
320 |
300 |
220 |
200 |
120 |
110 |
100 |
Disabled |
| 1 |
on |
off |
on |
off |
on |
off |
on |
off |
| 2 |
on |
on |
off |
off |
on |
on |
off |
off |
| 3 |
on |
on |
on |
on |
off |
off |
off |
off |
| 4 |
on |
on |
on |
on |
on |
on |
on |
off |
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Line Termination settings for the PC/IMAC board.
A. Jumper Settings for Digi ISDN PC/IMAC - (has 3 jumpers)
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Jumper J1 should remain at factory default between pin 1 and 2 (top 2 pins)
-
Jumpers J2 & J3 factory default is between pin 1 and 2 (top 2 pins)
-
Jumpers J2 & J3 by default place 100 ohm terminating resistors across
the transmit and receive lines. In the event that another device is installed
on the same BRI line, only one device should be terminated. If the other
device's termination can not be easily disabled, reposition J2 & J3
on PC/IMAC.
B. Jumper Settings for Digi ISDN PC/IMAC4 (has 9 jumpers)
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Jumper J9 should remain at factory default between pin 1 and 2 (top 2 pins)
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Jumpers J1 - J8 factory default is between pin 1 and 2 (top 2 pins)
-
Jumpers J1 - J8 by default place 100 ohm terminating resistors across the
transmit and receive lines. In the event that another device is installed
on the same BRI line, only one device should be terminated. If the other
device's termination can not be easily disabled, reposition J1 - J8 on
PC/IMAC4.
-
J1-J2 control IDP1, J3-J4 for IDP2, J5-J6 for IDP3, J7-J8 for IDP4
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