The ChipList, by Adrian Offerman; The Processor Portal

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Model Code Stepping Description
Intel Pentium III Xeon 800 512KB CPU QN75 ES 5 V / 12 V

Intel Pentium III Xeon processor (Cascades)

Identification


Model name: Pentium III Xeon.
Code name: Cascades.
Supplier: Intel.
Component class: CPU.

Generation


Generation: Pentium III.

Compatibility


Multimedia instruction sets: MMX, SSE.

Cache


L1 cache: 16 kbyte instruction cache, 16 kbyte data cache (Harvard architecture).
On-die L2 cache: 256 kbyte, 64 Gbyte address range.
L2 cache ECC (Error-Correcting Code) cannot be disabled.

Architecture


133 MHz Front-Side Bus (FSB).

Multi-processing


Symmetric Multi-Processing (SMP): max. 4-way.

Multiplier


Clock speed


Clock speed Model Multiplier Power dissipation Introduction Order part numbers
133/600 MHz Intel Pentium III Xeon 600 256KB CPU 4.5 20.8 W TDP October 1999 OEM: 80526KZ600256 2.8V,
OEM: 80526KZ600256 5/12V,
PIB: BX80526KZ600256
133/667 MHz Intel Pentium III Xeon 667 256KB CPU 5 23 W TDP October 1999 OEM: 80526KZ667256 2.8V,
OEM: 80526KZ667256 5/12V,
PIB: BX80526KZ667256
133/733 MHz Intel Pentium III Xeon 733 256KB CPU 5.5 25.2 W TDP October 1999 OEM: 80526KZ733256 2.8V,
OEM: 80526KZ733256 5/12V,
PIB: BX80526KZ733256
133/800 MHz Intel Pentium III Xeon 800 256KB CPU 6 27.4 W TDP January 2000 OEM: 80526KZ800256 2.8V,
OEM: 80526KZ800256 5/12V,
PIB: BX80526KZ800256
133/866 MHz Intel Pentium III Xeon 866 256KB CPU 6.5 29.6 W TDP April 2000 OEM: 80526KZ866256 2.8V,
OEM: 80526KZ866256 5/12V,
PIB: BX80526KZ866256,
PIB (Intel SBT2 motherboard): BX80526KB866256
133/933 MHz Intel Pentium III Xeon 933 256KB CPU 7 32 W TDP May 2000 OEM: 80526KZ933256 2.8V,
OEM: 80526KZ933256 5/12V,
PIB: BX80526KZ933256,
PIB (Intel SBT2 motherboard): BX80526KB933256
133/1000 MHz Intel Pentium III Xeon 1000 256KB CPU 7.5 33.3 W TDP August 2000 OEM: 80526KZ1000256 2.8V,
OEM: 80526KZ1000256 5/12V,
PIB: BX80526KB001256,
PIB (Intel SBT2 motherboard): BX80526KB001256

Physics


Voltage:

  • 2.8 V,
  • 5 V/ 12 V.

Temperature: 0-55 °C.

Manufacturing process: 0.18 micron.

Number of transistors: 28.1 million.

Die size:

  • stepping A2: 106 mm2,
  • stepping B0: 104 mm2,
  • stepping C0: 90 mm2,

Packaging: Slot 2.

CPUID32


Type Family Model Stepping Description
0x0 0x6 0x8 0x1 stepping A2
0x0 0x6 0x8 0x3 stepping B0
0x0 0x6 0x8 0x6 stepping C0

Step level


Text:

Step levels: A2, B0, C0.

S-Spec / Stepping code


Model Code Stepping Description
Intel Pentium III Xeon 600 512KB CPU QN51 ES 2.8 V
Intel Pentium III Xeon 600 512KB CPU SL3BJ A2 2.8 V; 18.8 W TDP
Intel Pentium III Xeon 600 512KB CPU QD77 ES 5 V / 12 V
Intel Pentium III Xeon 600 512KB CPU SL3BK A2 5 V / 12 V; 19.2 W TDP
Intel Pentium III Xeon 667 512KB CPU QE66 ES 2.8 V
Intel Pentium III Xeon 667 512KB CPU SL3BL A2 SMP only validated for 2-way;
2.8 V; 20.8 W TDP
Intel Pentium III Xeon 667 512KB CPU SL3DC A2 SMP only validated for 2-way;
5 V / 12 V; 21.3 W TDP
Intel Pentium III Xeon 733 512KB CPU QH36 ES 2.8 V
Model Code Stepping Description
Intel Pentium III Xeon 733 512KB CPU SL3SF A2 2.8 V; 22.8 W TDP
Intel Pentium III Xeon 733 512KB CPU SL3SG A2 5 V / 12 V; 23.3 W TDP
Intel Pentium III Xeon 600 512KB CPU SL3SS A2 5 V / 12 V; 19.2 W TDP;
boxed processor with attached passive heatsink
Intel Pentium III Xeon 667 512KB CPU SL3ST A2 5 V / 12 V; 21.3 W TDP;
boxed processor with attached passive heatsink
Intel Pentium III Xeon 733 512KB CPU SL3SU A2 5 V / 12 V; 23.3 W TDP;
boxed processor with attached passive heatsink
Intel Pentium III Xeon 800 512KB CPU QN75 ES 5 V / 12 V
Intel Pentium III Xeon 800 512KB CPU SL3V2 A2 SMP only validated for 2-way;
5 V / 12 V; 25.4 W TDP
Intel Pentium III Xeon 800 512KB CPU SL3V3 A2 5 V / 12 V; 25.4 W TDP
Model Code Stepping Description
Intel Pentium III Xeon 800 512KB CPU SL3VU A2 5 V / 12 V; 25.4 W TDP;
boxed processor with attached passive heatsink
Intel Pentium III Xeon 600 512KB CPU SL3WM B0 2.8 V; 18.8 W TDP
Intel Pentium III Xeon 600 512KB CPU SL3WN B0 5 V / 12 V; 19.2 W TDP
Intel Pentium III Xeon 667 512KB CPU SL3WP B0 SMP only validated for 2-way;
2.8 V; 20.8 W TDP
Intel Pentium III Xeon 667 512KB CPU SL3WQ B0 SMP only validated for 2-way;
5 V / 12 V; 21.3 W TDP
Intel Pentium III Xeon 733 512KB CPU SL3WR B0 2.8 V; 22.8 W TDP
Intel Pentium III Xeon 733 512KB CPU SL3WS B0 5 V / 12 V; 23.3 W TDP
Intel Pentium III Xeon 800 512KB CPU QJ31 ES 2.8 V
Model Code Stepping Description
Intel Pentium III Xeon 800 512KB CPU QN74 ES 2.8 V
Intel Pentium III Xeon 800 512KB CPU SL3WT B0 SMP only validated for 2-way;
2.8 V; 24.5 W TDP
Intel Pentium III Xeon 800 512KB CPU SL3WU B0 SMP only validated for 2-way;
5 V / 12 V; 24.8 W TDP
Intel Pentium III Xeon 866 512KB CPU SL3WV B0 2.8 V; 26.8 W TDP
Intel Pentium III Xeon 866 512KB CPU QS07 ES 5 V / 12 V
Intel Pentium III Xeon 866 512KB CPU SL3WW B0 5 V / 12 V; 27.4 W TDP
Intel Pentium III Xeon 933 512KB CPU QS08 ES 2.8 V
Intel Pentium III Xeon 933 512KB CPU SL3WX B0 SMP only validated for 2-way;
2.8 V; 28.9 W TDP
Model Code Stepping Description
Intel Pentium III Xeon 933 512KB CPU SL3WY B0 SMP only validated for 2-way;
5 V / 12 V; 29.6 W TDP
Intel Pentium III Xeon 733 512KB CPU SL4H6 C0 2.8 V, core: 1.68 V; 22.8 W TDP
Intel Pentium III Xeon 733 512KB CPU SL4H7 C0 5 V / 12 V, core: 1.68 V; 23.3 W TDP
Intel Pentium III Xeon 800 512KB CPU SL4H8 C0 SMP only validated for 2-way;
2.8 V, core: 1.68 V; 24.8 W TDP
Intel Pentium III Xeon 800 512KB CPU SL4H9 C0 SMP only validated for 2-way;
5 V / 12 V, core: 1.68 V; 28.5 W TDP
Intel Pentium III Xeon 866 512KB CPU SL4HA C0 2.8 V, core: 1.68 V; 26.8 W TDP
Intel Pentium III Xeon 866 512KB CPU SL4HB C0 5 V / 12 V, core: 1.68 V; 27.4 W TDP
Intel Pentium III Xeon 933 512KB CPU SL4HC C0 2.8 V, core: 1.68 V; 28.9 W TDP
Model Code Stepping Description
Intel Pentium III Xeon 933 512KB CPU SL4HD C0 5 V / 12 V, core: 1.68 V; 29.6 W TDP
Intel Pentium III Xeon 1000 512KB CPU QY16 ES 2.8 V, core: 1.70 V
Intel Pentium III Xeon 1000 512KB CPU SL4HE C0 2.8 V, core: 1.70 V; 30.2 W TDP;
only validated for 440GX chipset
Intel Pentium III Xeon 1000 512KB CPU QY18 ES 5 V / 12 V, core: 1.70 V
Intel Pentium III Xeon 1000 512KB CPU SL4HF C0 5 V / 12 V, core: 1.70 V; 30.8 W TDP;
only validated for 440GX chipset
Intel Pentium III Xeon 866 512KB CPU SL4PZ B0 5 V / 12 V, core: 1.68 V; 27.4 W TDP;
boxed processor with attached passive heatsink
Intel Pentium III Xeon 1000 512KB CPU SL4Q2 C0 5 V / 12 V, core: 1.70 V; 30.8 W TDP;
only validated for 440GX chipset
Intel Pentium III Xeon 933 512KB CPU SL4R9 C0 SMP only validated for 2-way;
5 V / 12 V, core: 1.68 V; 29.6 W TDP;
boxed processor with attached passive heatsink
Model Code Stepping Description
Intel Pentium III Xeon 866 512KB CPU SL4U2 C0 5 V / 12 V, core: 1.68 V; 27.4 W TDP;
boxed processor with attached passive heatsink
Intel Pentium III Xeon 933 512KB CPU SL4U3 C0 SMP only validated for 2-way;
5 V / 12 V, core: 1.68 V; 29.6 W TDP