News
·
Chips
·
Information
·
Forum
·
Links
·
About
Identification
·
Pinouts
·
S-Spec numbers
·
Glossary
Pinouts - 80287 family
80287 microprocessor - DIP 40 package
Manufacturers: Intel
S1
1
40
Ready
S0
2
39
CKM
COD/
INTA
3
38
HLDA
Not connected
4
37
CLK286
D
15
5
36
PEACK
D
14
6
35
Reset
D
13
7
34
NPS1
D
12
8
33
NPS2
V
CC
9
32
CLK
V
SS
10
31
CMD1
D
11
11
30
V
SS
D
10
12
29
CMD0
Not connected
13
28
NPWR
D
9
14
27
NPRD
D
8
15
26
Error
D
7
16
25
Busy
D
6
17
24
PEREQ
D
5
18
23
D
0
D
4
19
22
D
1
D
3
20
21
D
2
80C287 microprocessor - DIP 40 package
Manufacturers: AMD
Not connected
1
40
Not connected
Not connected
2
39
CKM
Not connected
3
38
Not connected
Not connected
4
37
Not connected
D
15
5
36
PEACK
D
14
6
35
Reset
D
13
7
34
NPS1
D
12
8
33
NPS2
V
CC
9
32
CLK
V
SS
10
31
CMD1
D
11
11
30
V
SS
D
10
12
29
CMD0
Not connected
13
28
NPWR
D
9
14
27
NPRD
D
8
15
26
Error
D
7
16
25
Busy
D
6
17
24
PEREQ
D
5
18
23
D
0
D
4
19
22
D
1
D
3
20
21
D
2
Terms and Conditions
·
Privacy Policy
·
Contact Us
(c) Copyright 2003 - 2010 Gennadiy Shvets
Search CPU-World
Search site contents:
Identify part
Identify CPU, FPU or MCU:
Related Links
80287 family
---
All chip pinouts
Quick Links
AMD Athlon/Phenom model numbers
AMD K7 stepping codes
AMD K8 stepping codes
AMD K10 stepping codes
AMD Opteron model numbers
Browse benchmarks
Core names
CPU chart
CPU ID database
CPU identification (using CPUID)
Glossary
Identification tables
Intel desktop processor numbers
Intel mobile processor numbers
Microarchitectures
Pinouts
Release dates (desktop CPUs)
Release dates (mobile CPUs)
Release dates (server CPUs)
Sockets
S-Spec Chart
S-Spec numbers
Jump to CPU / Family
Type in partial CPU manufacturer, family, model and/or number.