S u b C o m p a c t B o a r d
G E N E - Q M 8 7
Appendix E Electrical Specifications for I/O Ports
E-3
The following is a sample code for 4 in 4 out (2 low 2 high)
Outportb(0x2E,0x87); //enter configuration
Outportb(0x2E,0x87);
Outportb(0x2E,0x07); //set LDN
Outportb(0x2F,0x06);