YL-24 IO card Settings and Configuration

Card Type	Multi I/O card
Chipset/Controller	Unknown
I/O Options	Parallel port, serial ports (2)
Maximum DRAM	N/A

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	CN1	Serial port 2	CN3
Parellel port	CN2

SERIAL PORT CONFIGURATION
Port 1	Port 2	SW1/1	SW1/2
Enabled	Disabled	On	Off
Disabled	Enabled	Off	On
Disabled	Disabled	Off	Off

PARALLEL PORT CONFIGURATION
LPT	SW1/3	SW1/4	SW1/5	SW1/6
1	On	On	Off	Off
2	Off	On	On	Off
Note: For LPT2 on AT models switches 3 & 4 are Off and 5 & 6 are on.