4
Setting the Jumpers
There are three sets of jumpers that can be configured on your card: reference transfer
rate, COM address, and IRQ address.
Reference Transfer Rate
There are three possible transfer rate settings (labeled 1, 2, and 4) for each COM port.
Each pin corresponds to the following transfer rate:
Set the transfer rate for each port by setting the jumpers according to the following
example:
In the example above, Port A has been set to 460.8Kbps and Port B has been set to
230.4Kbps.
1
2
4
1
2
4
COM A
COM B
Pin
Rate
1
115.2 Kbps (default)
2
230.4 Kbps
4
460.8 Kbps
Summary of Contents for ISA2S550
Page 10: ...Revised January 8 2003 ...
