--- Pentium Pro - Socket 8 (MSCPGA) / 387-pin Modified Staggered Ceramic Pin Grid Array with gold plated heat spreader

 

 

 

KB80521EX150 256k
SY 002 / Stepping B0
L5430651-0062
50 Mhz
150 Mhz
   
Malay
October 1995
   

 

 

KB80521EX150 256k
SY 010 / Stepping C0
L6041216-0356
50 Mhz
150 Mhz
   
Malay
February 1996
   

 

 

KB80521EX166 512k
SY 034 / Stepping sA1
L6211322-0080
66 Mhz
166 Mhz
   
Malay
June 1996
   

 

 

KB80521EX180 256k
SY 012 / Stepping sA0
L6133858-0587
60 Mhz
180 Mhz
   
Malay
Avril 1996
   

 

 

KB80521EX180 256k
SY 031/ Stepping sA1
L6364639-1330
60 Mhz
180 Mhz
   
Malay
September 1996
   

 

 

KB80521EX180 256k
SL 22S / Stepping sB1
L7046268-0119
60 Mhz
180 Mhz
   
Malay
Jannuary 1997
   

 

 

KB80521EX200 256k
SY 013 / Stepping sA0
L6201956-0046
66 Mhz
200 Mhz
   
Malay
May 1996
   

 

 

KB80521EX200 256k
SY 032 / Stepping sA1
L6222033-0309
66 Mhz
200 Mhz
   
Malay
June 1997
   

 

 

KB80521EX200 256k
SL 22T / Stepping sB1
L7250825-0619
66 Mhz
200 Mhz
   
Malay
June 1997
   

 

 

KB80521EX200 512k
SY 048 / Stepping sA1
L7021488-1194
66 Mhz
200 Mhz
   
Malay
May 1997
   

--- Pentium Pro - Socket 8 (OPGA) / 387-pin Modified Staggered Organic Pin Grid Array

 

 

 

GJ80521EX200 1 M0
SL 25A / Stepping sB1
L8063153-0324
66 Mhz
200 Mhz
   
Philippines
February 1998
   

--- Pentium Pro > Pentium II Klamath Overdrive - Socket 8 (PPGA) / 387-pin Modified Plastic Pin Grid Array

 

 

PODP66X333 V 1.1
SL 2KE / Stepping TdB0
692077-002
66 Mhz
333 Mhz
   
USA
May 1999