The I/O card has the requisite 8 switches and LEDs connected using a pair of 1852 chips and using the N2 I/O signal. The single LED at the top is connected to the Q signal and the lower switches are connected to the Reset/Run and EF4 lines.
The I/O card has the requisite 8 switches and LEDs connected using a pair of 1852 chips and using the N2 I/O signal. The single LED at the top is connected to the Q signal and the lower switches are connected to the Reset/Run and EF4 lines.