Pentium II (SECC package) identification |
1 | 2 | 3 | 4 | 5 | 6 | ||||
B | 80523 | P | 333 | 512 | E | ||||
6. ECC support | |||||||||
Blank | No ECC support | ||||||||
E | ECC is supported (boxed version of the Pentium II CPU) | ||||||||
EC | ECC is supported (OEM/Bulk Pentium II with Klamath core) | ||||||||
PE | ECC is supported (OEM/Bulk Pentium II with Deschutes core) | ||||||||
5. Size of L2 cache (KB) | |||||||||
256 | 256 KB | ||||||||
512 | 512 KB | ||||||||
4. Frequency | |||||||||
200 | 200 MHz | ||||||||
233 | 233 MHz | ||||||||
266 | 266 MHz | ||||||||
300 | 300 MHz | ||||||||
350 | 350 MHz | ||||||||
400 | 400 MHz | ||||||||
450 | 450 MHz | ||||||||
3. Bus frequency | |||||||||
Blank | Boxed Pentium II processors don't have bus frequency identifier | ||||||||
X | 66 Mhz bus | ||||||||
Y | 100 MHz bus | ||||||||
2. Processor core | |||||||||
80522 | Klamath core (0.35 micron) | ||||||||
80523 | Deschutes core (0.25 micron) | ||||||||
1. OEM/Retail version | |||||||||
Blank | OEM/bulk version | ||||||||
B | Boxed version | ||||||||
DC | OEM/bulk version. "DC" was used only for early Pentium II CPUs. |
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