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SGS-Thomson 486
  SGS-Thomson ST486 DX-40
  SGS-Thomson ST486 DX2-50
  SGS-Thomson ST486 DX2-66
  SGS-Thomson ST486 DX2-66GS
  SGS-Thomson ST486 DX2-66GS, Variant
  SGS-Thomson ST486 DX2-80
  SGS-Thomson ST486 DX2-80GS
  SGS-Thomson ST486 DX4V100
  SGS-Thomson ST486 DX4-100
» SGS-Thomson overview
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SGS-Thomson ST486 DX-40
SGS-Thomson ST486 DX-40 Top Side
ST486
DX-40
Heatsink Required
SGS-Thomson ST486 DX-40 Back Side
MD6J TL8BJUA
H431130
HB70J4410
CANADA CLK11
Donated by Christian Lederer. Thanks a lot!  
Comment by MoonKnight (moonknightus[at]yahoo.com):
The SGS-Thomson ST486DX is really a Cyrix Cx486DX in disguise. As you all know by now, in their early days, Cyrix had licensing agreements with Texas Instruments and SGS-Thomson to use their production facilities. These agreements allowed the aforementioned companies to market Cyrix's parts under their own names.
 
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Core Frequency:40 MHz
Board Frequency:40 MHz
Data bus (ext.):32 Bit
Address bus:32 Bit
Voltage:5 V
Introduced:09/1994
Manufactured:week 10/1994
Made in:Canada
L1 Cache:8 KB
Package Type:Ceramic
PGA-168
Socket: 2/3
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SGS-Thomson ST486 DX2-50
SGS-Thomson ST486 DX2-50 Top Side
ST486
DX2-50
Heatsink Required
SGS-Thomson ST486 DX2-50 Back Side
MD6J AP8BLH2
B7272B
BD70N501
CLK11
MADE IN THE
USA
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Core Frequency:50 MHz
Board Frequency:25 MHz
Clock Multiplier:2.0
Data bus (ext.):32 Bit
Address bus:32 Bit
Voltage:5 V
Manufactured:week 01/1995
Made in:USA
L1 Cache:8 KB
Package Type:Ceramic
PGA-168
Socket: 2/3
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SGS-Thomson ST486 DX2-66
SGS-Thomson ST486 DX2-66 Top Side
ST486
DX2-66
Heatsink Required
SGS-Thomson ST486 DX2-66 Back Side
MD6J-AP8BLH2
B6697B
BD70J448
CLK11
MADE IN THE
USA
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Core Frequency:66 MHz
Board Frequency:33 MHz
Clock Multiplier:2.0
Data bus (ext.):32 Bit
Address bus:32 Bit
Voltage:5 V
Introduced:09/1994
Manufactured:week 14/1993
Made in:Canada
L1 Cache:8 KB
Package Type:Ceramic
PGA-168
Socket: 1/2/3
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SGS-Thomson ST486 DX2-66GS
SGS-Thomson ST486 DX2-66GS Top Side
It's ST
486DX2-66
ST486DX2-66GS
5 Volt
SGS-Thomson ST486 DX2-66GS Back Side
MD6J PABMDCB
P521305
PB70B6160
2XCLK CD10
MADE IN
CANADA
add comment
Core Frequency:66 MHz
Board Frequency:33 MHz
Clock Multiplier:2.0
Data bus (ext.):32 Bit
Address bus:32 Bit
Voltage:5 V
Introduced:09/1994
Manufactured:week 21/1995
Made in:Canada
L1 Cache:8 KB
Package Type:Ceramic
PGA-168
Socket: 1/2/3
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SGS-Thomson ST486 DX2-66GS, Variant
SGS-Thomson ST486 DX2-66GS, Variant Top Side
It's ST
486DX2-66
ST486DX2-66GS
HEATSINK REQ'D
5 Volt
SGS-Thomson ST486 DX2-66GS, Variant Back Side
MD6J PABMDCB
P518205
PD70Y5310
CLK10
MADE IN THE
USA
add comment
Core Frequency:66 MHz
Board Frequency:33 MHz
Clock Multiplier:2.0
Data bus (ext.):32 Bit
Address bus:32 Bit
Voltage:5 V
Introduced:09/1994
Manufactured:week 31/1995
Made in:USA
L1 Cache:8 KB
Package Type:Ceramic
PGA-168
Socket: 1/2/3
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SGS-Thomson ST486 DX2-80
SGS-Thomson ST486 DX2-80 Top Side
ST486
DX2-80
Heatsink & Air-Flow Required
SGS-Thomson ST486 DX2-80 Back Side
MD6J TAEMDCB
HH502452A
HB70P5179
CLK 01
MADE IN
CANADA
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Core Frequency:80 MHz
Board Frequency:40 MHz
Clock Multiplier:2.0
Data bus (ext.):32 Bit
Address bus:32 Bit
Voltage:5 V
Introduced:09/1994
Manufactured:week 02/1995
Made in:Canada
L1 Cache:8 KB
Package Type:Ceramic
PGA-168
Socket: 1/2/3
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SGS-Thomson ST486 DX2-80GS
SGS-Thomson ST486 DX2-80GS Top Side
It's ST
486DX2-80
ST486DX2-80GS
HEATSINK & AIRFLOW REQ'D
5 Volt
SGS-Thomson ST486 DX2-80GS Back Side
MD6J PABMDCB
P534797
PB70A6120
2XCLK CD10
MADE IN
CANADA
add comment
Core Frequency:80 MHz
Board Frequency:40 MHz
Clock Multiplier:2.0
Data bus (ext.):32 Bit
Address bus:32 Bit
Voltage:5 V
Introduced:09/1994
Manufactured:week 34/1995
Made in:Canada
L1 Cache:8 KB
Package Type:Ceramic
PGA-168
Socket: 1/2/3
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SGS-Thomson ST486 DX4V100
SGS-Thomson ST486 DX4V100 Top Side
It's ST
486DX4V100
ST468DX4V10HS
HEATSINK REQ'D
STANDARD PIN-OUT
3.45 Volt
SGS-Thomson ST486 DX4V100 Back Side
MD6J TNBKWFM
J546NTA
AB70A6020
CLKMUL CD101
MADE IN
CANADA
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Core Frequency:100 MHz
Board Frequency:33 MHz
Clock Multiplier:3.0
Data bus (ext.):32 Bit
Address bus:32 Bit
Voltage:3.45 V
Introduced:09/1994
Manufactured:week 46/1995
Made in:Canada
L1 Cache:8 KB
Package Type:Ceramic
PGA-168
Socket: 1/2/3
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SGS-Thomson ST486 DX4-100
SGS-Thomson ST486 DX4-100 Top Side
It's ST
486DX4-100
ST468DX4V10HS
STANDARD PINOUT
3.45 Volt
Win95Logo
SGS-Thomson ST486 DX4-100 Back Side
MD6J TNBKWFM
J611VBJ1
CLKMUL CD110
AB70E9712E
MADE IN
CANADA
add comment
Core Frequency:100 MHz
Board Frequency:33 MHz
Clock Multiplier:3.0
Data bus (ext.):32 Bit
Address bus:32 Bit
Voltage:3.45 V
Introduced:09/1994
Manufactured:week 11/1996
Made in:Canada
L1 Cache:8 KB
Package Type:Ceramic
PGA-168
Socket: 1/2/3
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