Perle Systems Adaptors - Manual (Page 98)

FAST Serial Adaptors User Guide
Installing host cards and distribution accessories
Page 98
Chapter 2 Installing drivers and host cards
Operating mode 1. On the host card, set the jumper JP6 to the FAST setting.
IRQ level 2. Using jumper JP7 on the host card, set the IRQ level you want from the values listed on
the card;
JP7 sets IRQ level,
move jumper to IRQ
level required.
For example to
select a value of 12,
move jumper to
IRQ12 position.