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Intel 486 Overdrive Processors

 

80P23T

Package
Vcc
TCASE
Level 1 Cache
169—pin ceramic PGA
5V ± 5%
0°C - +95°C
8—Kbyte, set—associative, unified code & data cache
Core Speed
Bus Speed
50MHz
25MHz
80P23T-25 Q607 ES A1 (50MHz)

ODP486DX

Package
 
Vcc
TCASE
Level 1 Cache
169—pin ceramic PGA
To be installed into overdrive socket on 486SX system
5V ± 5%
0°C - +95°C
8—Kbyte, set—associative, unified code & data cache
Core Speed
Bus Speed
50MHz
25MHz
ODP486DX-25
Core Speed
Bus Speed
66MHz
33MHz
ODP486DX-33 SZ802 B1
Core Speed
Bus Speed
66MHz
33MHz
ODP486DX-33 SZ876

ODPR486DX

Package
Vcc
TCASE
Level 1 Cache
169—pin ceramic PGA
5V ± 5%
0°C - +95°C
8—Kbyte, set—associative, unified code & data cache
Comments To be installed into original 486 socket
Upgrades to 486DX2
Core Speed
Bus Speed
50MHz
25MHz
ODPR486DX-25 SZ678
Core Speed
Bus Speed
50MHz
25MHz
ODPR486DX-25 SZ697 B1
Core Speed
Bus Speed
50MHz
25MHz
ODPR486DX-25 SZ877 V3.0
Core Speed
Bus Speed
66MHz
33MHz
ODPR486DX-33 SZ690

Core Speed
Bus Speed

Reset ID
Stepping

66MHz
33MHz

0433
B1

ODPR486DX-33
SZ698
B1

Core Speed
Bus Speed

CPUID
Stepping

66MHz
33MHz

0435
aB0 or aC0

ODPR486DX-33
SZ878
V3.0

ODP486SX

Package
Vcc
TCASE
Level 1 Cache
169—pin ceramic PGA
5V ± 5%
0°C - +95°C
8—Kbyte, set—associative, unified code & data cache
Comments This processor fits into the overdrive socket on a 486SX system,
and will upgrade the system to a 486DX2.
Motherboard jumper settings should be as for a 486SX.
The speed shown on the processor is the bus speed, NOT the core speed.
Core Speed
Bus Speed
40MHz
20MHz
ODP486SX-20 SZ576
Core Speed
Bus Speed
40MHz
20MHz
ODP486SX-20 SZ635
Core Speed
Bus Speed
40MHz
20MHz
ODP486SX-20 SZ675

Core Speed
Bus Speed

Reset ID
Stepping

40MHz
20MHz

0433
B1

ODP486SX-20
SZ699
B1
Core Speed
Bus Speed
50MHz
25MHz
ODP486SX-25 SX676
Core Speed
Bus Speed
50MHz
25MHz
ODP486SX-25 SX800 B1 (Factory Heatsink)
Core Speed
Bus Speed
50MHz
25MHz
ODP486SX-25 SZ874 V3.0
Core Speed
Bus Speed
66MHz
33MHz
ODP486SX-33 SX801 B1 (Factory Heatsink)
Core Speed
Bus Speed
66MHz
33MHz
ODP486SX-33 SZ875 V3.0

DX2ODP

Package
 
Vcc
TCASE
Level 1 Cache
169—pin ceramic PGA
To be installed into overdrive socket on 486SX system
5V ± 5%
0°C - +95°C
8—Kbyte, set—associative, unified code & data cache
Core Speed
Bus Speed
50MHz
25MHz
DX2ODP66 SZ902 V2.0
Core Speed
Bus Speed
66MHz
33MHz
DX2ODP50 SZ932 V4.0

Core Speed
Bus Speed

66MHz
33MHz

DX2ODP66 SZ903 V3.0
Core Speed
Bus Speed

CPUID
Stepping

66MHz
33MHz

0435
aB0 or aC0

DX2ODP66
SZ933
V4.0

DX2ODPR

Package
 
Vcc
TCASE
Level 1 Cache
169—pin ceramic PGA
To be installed into original 486 socket
5V ± 5%
0°C - +95°C
8—Kbyte, set—associative, unified code & data cache
Core Speed
Bus Speed
50MHz
25MHz
DX2ODPR50 SZ908 (?)
Core Speed
Bus Speed
50MHz
25MHz
DX2ODPR50 SZ934 V4.0

Core Speed
Bus Speed

CPUID
Stepping

66MHz
33MHz

0435
aB0 or aC0

DX2ODPR66
SZ904
V3.0

Core Speed
Bus Speed

CPUID
Stepping

66MHz
33MHz

0435
aB0 or aC0

DX2ODPR66
SZ935
V4.0

SX2ODP

Package
 
Vcc
TCASE
Level 1 Cache
169—pin ceramic PGA
To be installed into overdrive socket on 486SX system
5V ± 5%
0°C - +95°C
8—Kbyte, set—associative, unified code & data cache
Core Speed
Bus Speed
50MHz
25MHz
SX2ODP50 SZ901 V1.0

DX4ODP

Package
 
Vcc
TCASE
Level 1 Cache
169—pin ceramic PGA
To be installed into overdrive socket on 486SX system
5V ± 5%
0°C - +95°C
16—Kbyte, set—associative, unified code & data cache
Core Speed
Bus Speed
75MHz
25MHz
DX4ODP75 SU001 V1.1
Core Speed
Bus Speed
75MHz
25MHz
DX4ODP75 SZ923 V1.0
Core Speed
Bus Speed
75MHz
25MHz
DX4ODP75 SZ956 V1.1

Core Speed
Bus Speed

100MHz
33MHz

DX4ODP100 SU002 V1.1

Core Speed
Bus Speed

CPUID
Stepping

100MHz
33MHz

1480
A

DX4ODP100
SZ924
V1.0

Core Speed
Bus Speed

100MHz
33MHz

DX4ODP100 SZ957 V1.1

DX4ODPR

Package
 
Vcc
TCASE
Level 1 Cache
169—pin ceramic PGA
To be installed into original 486 socket
5V ± 5%
0°C - +95°C
16—Kbyte, set—associative, unified code & data cache
Core Speed
Bus Speed
75MHz
25MHz
DX4ODPR75 SU003 V1.1
Core Speed
Bus Speed
75MHz
25MHz
DX4ODPR75 SZ925 V1.0

Core Speed
Bus Speed

CPUID
Stepping

75MHz
25MHz

0480
A

DX4ODPR75
SZ958
V1.1
Core Speed
Bus Speed
100MHz
33MHz
DX4ODPR100 SU004
Core Speed
Bus Speed
100MHz
33MHz
DX4ODPR100 SZ926 V1.0

Core Speed
Bus Speed

CPUID
Stepping

100MHz
33MHz

0480
A

DX4ODPR100
SZ959
V1.1