PERSYST UNI-PORT  -  ASSY # 12-10063-XX     

JUMPER SETTINGS

E1-E2 ON  SELLECTS PRIMARY CLOCK ADDRESS
      OFF SELECTS SECONDARY CLOCK ADDRESS

E3-E4 ON  SELECTS PRIMARY PARALLEL PORT ADDRESS (378H)
      OFF SELECTS SECONDARY PORT ADDRESS (278H)

E18-E20   SELECTS CENTRONICS INTREFACE (IBM STANDARD)

E23-E26   SELECTS INTERNAL UNIDIRECTIONAL CONTROL
E22-E25   SELECTS EXTERNAL BI-DIRECTIONAL CONTROL
E21-E24   SELECTS INTERNAL BI-DIRECTIONAL CONTROL

INTERRUPT LEVEL SELECTION FOR CAL/CLOCK

E5-E6     IRQ 2
E11-E12   IRQ 3
E6-E7     IRQ 4
E12-E13   IRQ 7

NOTES:  The Persyst CLOCK.COM program does not require any interrupt levels
        with the Calendar/Clock port.

INTERRUPT LEVEL SELECTION FOR PARALLEL PRINTER PORT

E8-E9     IRQ 2
E14-E15   IRQ 3
E15-E16   IRQ 5
E9-E10    IRQ 7 IBM Parallel Port standard interrupt level