User manual

25 Chapter 2
The following example shows how to set the base address to 2F8. The
switch sum is set to 2F8: 200 + 80 + 40 + 20 + 10 + 8 (HEX).
Figure 2.22: Setting to 2F8
Interrupt Level (IRQ) Setting
In PCL-746+, PCL-846A/B and PCL-849A/B/+, you can choose shared
IRQ or Independent IRQ. For other cards such as PCL-740, PCL-741,
PCL-743B/S, PCL-745B/S, PCL-849L and PCL-858A/B, the cards are
designed for shared IRQ.
IRQ mode select
In PCL-746+, PCL-846A/B and PCL-849A/B/+, you can choose shared
IRQ or Independent IRQ.
The card's IRQ mode can be set using S1 for PCL-849A/B/+, S2 for PCL-
846A/B and S5 for PCL-746+. Please note that the DIP switch on the
labeled MODE 0 is for setting the mode, as shown below.
Note: On the PCL-740, PCL-741, PCL-743B/S, PCL-
745B/S, PCL-846, PCL-849A/B/+/L address line
A9 does not appear on the DIP switch, as it is
permanently hardwired to hex 200.