IC number:	80286
IC function:	16-bit microprocessor
Related components:	8088 (predecessor), 80386SX, 80386DX, 80486SX, 80486DX, (successors), 80287 (co-processor)

Component documentation

IC number	Manufacturer	Documentation
i80286 (80286)	Intel	Not available
SAB80286	Siemens	Not available

Component versions

IC number	Package	Speed	CBM part number	CBM part description
80286-8	68-pin PGA 11 × 11	8 MHz	380282-01	IC, 80286, Pin Grid, 8 MHz
80286-8	68-pin LCC	8 MHz	380282-02	IC, 80286, LCC, 8 MHz
80286-12, SAB80286-12-N	68-pin PLCC	12 MHz	390300-04	80286 12 MHz processor
80286-16		16 MHz	390300-05	CPU 80286 16 MHz
80286-16		16 MHz	390300-15	IC 80286 microprocessor 16 MHz
80286-20		20 MHz	390300-16	IC 80286 microprocessor 20 MHz

Positions

Device	Position	Package	Speed
A2286 main board	U1	LCC	8 MHz
		PGA
PC30-III board rev. 1	U301	PLCC	12 MHz
PC30-III board rev. 8	U301	PLCC	12 MHz
PC40-III
SL286/SL386SX CPU card DB2	U103		16 MHz
			20 MHz
	U103 (not installed)

PLCC, PGA, LCC packages pinout

Pin	Type	Name	Signal name
			A2286	PC30-III, PC40-III	SL286 CPU card
1	Output	BHE_	BHE_	NBHE`	NBHE
2..3	N/C	NC	unused
4	Output	S1_	S1_	S1`	D_NC_NS1
5	Output	S0_	S0_	S0`	W_NR_NS0
6	Output	PEACK_	connected to pin 36 of 80287
7..8	Output	A23..A22	A23..A22	ADDR23..ADDR22	A23..A22
9	Power	VSS	GND
10	Output	A21	A21	ADDR21	A21
11	Output	A20	CPUA20	connected to pin 37 of FE3020	A20
12..28	Output	A29..A3	A19..A3	ADDR19..ADDR3	A19..A3
29	Input	RESET	CPURST		RESCPU
30	Power	VCC	+5V	VCC
31	Input	CLK	CPUCLK		286CLK
32..33	Output	A2..A1	A2..A1	ADDR2..ADDR1	A2..A1
34	Output	A0	A0	ADDR0	NBLE_A0
35	Power	VSS	GND
36..51	I/O	D0,D8..D7,D15	D0,D8..D7,D15	DATA0,DATA8..DATA7,DATA15	D0,D8..D7..D15
52	Input	CAP	connected to C100	connected to C301	connected to C101
53	Input	ERROR_	+5V via RN1	VCC via RP303	NERRORCPU_PU
54	Input	BUSY_	NPBUSY_	NNPBUSY`	NBUSYCPU
55..56	N/C	NC	unused
57	Input	INTR	INTRQ		INTR
58	N/C	NC	unused
59	Input	NMI	NMI	NNMI via U206	NMI
60	Power	VSS	GND
61	Input	PEREQ	connected to pin 24 of 80287
62	Power	VCC	+5V	VCC
63	Input	READY_	READY_	NREADY`	NRDY0320
64	Input	HOLD	HOLDRQ		HRQ
65	Output	HLDA	HLDA	HOLDA	HLDA
66	Output	COD/INTA_	connected to pin 3 of 80287	unused
67	Output	M/IO_	M/IO	MNIO	M_NIO
68	Output	LOCK_	LOCK_ via U8	unused