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Service Hints & Tips

Document ID: RMIE-3G6BDT

Aptiva - 2136 System board connector pin signals

Applicable to: World-Wide

System Board Connector Pin Signals
Monitor Port Signals

Pin	Signal Name	I/O	Pin	Signal Name	I/O
1	Red Video	O	9	+5 V dc
2	Green Video	O	10	Synch Ground
3	Blue Video	O	11	Monitor ID Bit 0	I
4	Monitor ID Bit 2	I	12	SDA	I
5	Synch Ground		13	Horizontal Synch	O
6	Red Ground		14	Vertical Synch	O
7	Green Ground		15	SCL	I
8	Blue Ground

Parallel Port Signals

Pin	Signal Name	I/O	Pin	Signal Name	I/O
1	Strobe	O	14	Auto Feed	N/A
2	Data Bit 0	I/O	15	Error	I
3	Data Bit 1	I/O	16	Initialize	O
4	Data Bit 2	I/O	17	Select (In)	O
5	Data Bit 3	I/O	18	Ground	Power
6	Data Bit 4	I/O	19	Ground	Power
7	Data Bit 5	I/O	20	Ground	Power
8	Data Bit 6	I/O	21	Ground	Power
9	Data Bit 7	I/O	22	Ground	Power
10	Acknowledge	I	23	Ground	Power
11	Busy	I	24	Ground	Power
12	Paper Empty	I	25	Ground	Power
13	Select	O

Serial Port Signals

Pin	Signal Name	I/O	Pin	Signal Name	I/O
1	Data Carrier Detect	I	6	Data Set Ready	I
2	Receive Data	I	7	Request To Send	O
3	Transmit Data	O	8	Clear To Send	I
4	Data Terminal Ready	O	9	Ring Indicator	I
5	Signal Ground

Mouse Port Signals

Pin	Signal Name	I/O	Pin	Signal Name	I/O
1	Mouse Data	I/O	4	+5 V dc	Power
2	No Connection		5	Mouse Clock	I/O
3	Ground	Power	6	No Connection

Keyboard Port Signals

Pin	Signal Name	I/O	Pin	Signal Name	I/O
1	Data	I/O	4	+5 V dc	Power
2	Mouse Data		5	Clock	I/O
3	Ground	Power	6	Mouse Clock

Diskette Cable Connector Signals

Pin	Signal Name	I/O	Pin	Signal Name	I/O
1	Ground		18	Direction	O
2	Density Select	O	19	Ground
3	No Connection		20	Step	O
4	No Connection		21	Ground
5	Ground		22	Write Data	I
6	No Connection		23	Ground
7	Ground		24	Write Enable	O
8	Index	I	25	Ground
9	Ground		26	Track 0	I
10	Motor Enable 0	O	27	Ground
11	Ground		28	Write Protect	I
12	Drive Select 1	O	29	Ground
13	Ground		30	Read Data	I
14	Drive Select 0	O	31	Ground
15	Ground		32	Select Head 1	O
16	Motor Enable 1	O	33	Ground
17	Ground		34	Diskette Change	I

Hard Disk Cable Connector Signals

Pin	Signal Name	I/O	Pin	Signal Name	I/O
1	Host Reset	O	21	No Connection
2	Ground		22	Ground
3	Host Data 7	I/O	23	Host IOW	O
4	Host Data 8	I/O	24	Ground	Power
5	Host Data 6	I/O	25	Host IOR	O
6	Host Data 9	I/O	26	Ground	Power
7	Host Data 5	I/O	27	I/O Channel Ready	I
8	Host Data 10	I/O	28	No Connection
9	Host Data 4	I/O	29	No Connection
10	Host Data 11	I/O	30	Ground	Power
11	Host Data 3	I/O	31	Host IRQ	I
12	Host Data 12	I/O	32	No Connection
13	Host Data 2	I/O	33	Host A1	O
14	Host Data 13	I/O	34	No Connection
15	Host Data 1	I/O	35	Host A0	O
16	Host Data 14	I/O	36	Host A2	O
17	Host Data 0	I/O	37	Host CS0	O
18	Host Data 15	I/O	38	Host CS1	O
19	Ground	Power	39	ACTIVE bar	I
20	No Connection		40	Ground	Power

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	Hint Category	System Boards, Hardware Installation/Configuration
	Date Created	15-04-97
	Last Updated	10-03-99
	Revision Date	10-03-2000
	Brand	IBM Aptiva
	Product Family	Aptiva
	Machine Type	2136
	Model
	TypeModel
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