| intel Pentium II / III / Celeron Processor Part Mark | 
        
        
          | B - Package type | 
          B - Boxed retail SECC Pentium II 
		  none - Bulk / OEM / Tray SECC Pentium II | 
        
        
          | 80523 - CPU type | 
          80522 - PII Klamath 0.35µm 
		  80523 - PII Deschutes 0.28µm 
		  80524 - PII Celeron/Mendocino 
		  80525 - PIII Katmai/Tanner 0.25µm 
		  80526 - PIII Coppermine/Cascades 0.18µm | 
        
        
          | P - Product code | 
          PX - Bulk/OEM/Tray CPU w/ 66MHz FSB 
		  PY - Bulk/OEM/Tray CPU w/ 100MHz FSB 
		  PZ - Bulk/OEM/Tray CPU w/ 133MHz FSB 
		  P - Retail boxed CPU w/ SECC1 
		  KX - ??? 
		  U - Retail boxed CPU w/ SECC2 
		  H - ??? | 
        
        
          | 350 - core frequency | 
          core speed in MHz | 
        
        
          | E - Special attributes | 
          A - Mendocino core 
		  B - 133MHz 
		  C	-	Pentium III w/ SECC2 packaging 
		  E - Coppermine core 
		  F	-	Processor suitable for dual configurations 
		  G	-	Pentium II w/ 256KB cache support 
		  H	-	Pentium III w/ 512KB cache support 
		  P - ??? | 
        
        
          | 256K - internal L2 cache | 
          128 - 128KB 
		  256 - 256KB 
		  512 - 512KB 
		  1024 - 1024KB | 
        
        
          | 100 - FSB | 
          66MHz 
		  100MHz 
		  133MHz | 
        
        
          | 2.0V - Vcc | 
          1.7V 
		  1.75V 
		  1.8V 
		  2.0V | 
        
        
          | S1 - UL identifier | 
          S1 - Slot 1 
            S2 - Slot 2 (Xeon) | 
        
        
          | SZZZZ - S-spec | 
          S-spec | 
        
        
          | QZZZZ - S-spec | 
          S-spec (engineering samples)  | 
        
        
          | L6521179 - FFFFFFFF | 
          F manufacturing plant code 
          0 - San Jose, Costa Rica (A6/T6) 
		  1 - Cavite, Philippines 
		  3 - Costa Rica 
		  6 - Chandler, Arizona (A4) 
		  8 - Leixlip, Ireland 
		  9 - Penang, Malaysia (A1) 
		  A - ??? 
		  C - ??? 
		  E - Philippines 
		  I - ??? 
		  L - Malaysia 
		  Q - Malaysia 
		  R - Manila, Philippines 
		  Y - Leixlip, Ireland | 
        
        
          | F Year of manufacture (6 - 1996, ...) | 
        
        
          | FF Week of manufacture | 
        
        
          | FFFF FPO# (test lot traceability number) | 
        
        
          | 0436 - DDDD | 
          serialization code | 
        
        
          | Country of assembly | 
          MALAY 
		  PHILIPPINES 
		  COSTA RICA 
		  IRELAND |