Ampro Corporation PCI-104 PD7, Ack, DS1, Bsy, MTR1, Irfirm, Irtx, Irrx, Spkr+, Kbdt, Kbck, Vcc

Appendix B				I/O Interface Board
	J5	Signal	OnBoard	Description
	Pin #		Pin #
	17	PD7	J12--17	Parallel Data 7 – Refer to PD0, pin 3, for more information.
	18	GND	GND	Ground
	19	ACK*	J12-19	Parallel Acknowledge – Status output signal from the printer. A Low
				State indicates it data received and is ready to accept new data.
		DS1	J11-12	Floppy Drive Select 1 – Selects drive 1.
	20	GND	GND	Ground
	21	BSY	J12-21	Parallel Busy – Status output signal from the printer. A High State
				indicates the printer is not ready to accept data.
		MTR1*	J11-16	Floppy Motor Control 1 – Selects motor on drive 1.
	22	GND	GND	Ground
	23	PE	J12-23	Parallel Paper End – Status output signal from the printer. A High
				State indicates it is out of paper.
		WData*	J11-22	Floppy Write Data – Encoded data sent to drive for write operations.
	24	GND	GND	Ground
	25	Slct	J12-25	Parallel Select – Status output signal from the printer. A High State
				indicates it is powered on.
		Wgate*	J11-24	Floppy Write Gate – Enables drive current flow in the write head.
	26	IRFIRM	J6-5	Infrared Function Mode Select – To external device from J6-5.
	27	PM_Sus	J6-4	Power Management Suspend Clock –
		Clk
	28	GND	GND	Ground
	29	IRTX	U2-7	IR Transmit Data – To infrared transceiver TX pin (U2, HSDL-3200)
	30	IRRX	U2-6	IR Receive Data – To infrared transceiver TX pin (U2, HSDL-3200)
	31	SPKR+	LS1-1	Speaker + Drive – To positive terminal on Beep Speaker (LS1)
	32	GND	GND	Ground
	33	RstSW	SW2-3/4	Reset Switch – Puts ground on this pin when pressed.
	34	PwrBtn	SW1-3/4	Power On Switch – Puts ground on this pin when pressed.
	35	KBDT	J9-A1	Keyboard Data signal
	36	KBCK	J9-A6	Keyboard Clock signal
	37	GND	GND	Digital Ground
	38	VCC	VCC	+5V +/-5%
	39	BATV+	BAT1-1	Battery + Voltage – To + terminal on Battery socket (BAT1).
	40	GND	GND	Ground

Notes: The shaded area denotes power or ground. The signals marked with * = Negative true logic.

CoreModule 800 QuickStart Guide 27