AMD LV-651 user manual Floppy Port, Serial Port

LV-651 User’s Manual				I/O Port Pin Assignment
A.2 <Floppy Port>
Connector: FDD
Type: 26-pin connector
	Pin	Description	Pin	Description
	1	VCC	2	INDEX
	3	VCC	4	DRV0
	5	VCC	6	DSKCHG
	7	DRV1	8	N/C
	9	MTR1	10	MTR0
	11	RPM	12	DIR
	13	N/C	14	STEP
	15	Ground	16	WRITE DATA
	17	Ground	18	WRITE GATE
	19	N/C	20	TRACK 0
	21	N/C	22	WRPTR
	23	Ground	24	RDATA-
	25	Ground	26	SEL
A.3 <Serial Port>				1	2
Connector: COM1/2
Type: 9-pin D-sub male connector on bracket					10
				9
	Pin	Description	Pin	Description
	1	DCD-	6	DSR-
	2	SIN-	7	RTS-
	3	SO-	8	CTS-
	4	DTR-	9	RI
	5	Ground	10	N/C

Floppy Port 39