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bookmark site0.0.0 Intel Pentium II Xeon processor (Drake)
Identification
Model name:
Pentium II Xeon.
Code name:
Drake.
Supplier:
Intel.
Component class:
CPU.
Generation
Generation: Pentium II.
Compatibility
Multimedia instruction sets: MMX.
Cache
L1 cache: 16 kbyte instruction cache, 16 kbyte data cache (Harvard architecture).
Full-speed off-die L2 cache: 512 kbyte, 1 Mbyte, or 2 Mbyte.
Architecture
100 MHz Front-Side Bus (FSB).
Multi-processing
Symmetric Multi-Processing (SMP):
- max. 2-way, using Intel 440GX chipset,
- max. 4-way (from January 5, 1999), using Intel 450NX chipset,
- max. 8-way, using Intel 450NX chipset with additional logic.
Multiplier
|
|
|
Clock speed
| Clock speed | Model | Cache | Multiplier | Power dissipation | Introduction | Order part numbers |
|---|---|---|---|---|---|---|
| 100/300 MHz | Intel Pentium II Xeon 300 1MB CPU | 1 Mbyte L2 | 3 |
OEM: 80523KX3001M, never released |
||
| 100/300 MHz | Intel Pentium II Xeon 300 2MB CPU | 2 Mbyte L2 | 3 |
OEM: 80523KX3002M, never released |
||
| 100/350 MHz | Intel Pentium II Xeon 350 512KB CPU | 512 kbyte L2 | 3.5 |
OEM: 80523KX350512, never released |
||
| 100/350 MHz | Intel Pentium II Xeon 350 1MB CPU | 1 Mbyte L2 | 3.5 |
OEM: 80523KX3501M, never released |
||
| 100/400 MHz | Intel Pentium II Xeon 400 512KB CPU | 512 kbyte L2 | 4 | 30.8 W TDP | June 1998 |
OEM: 80523KX400512, PIB (440GX chipset): BX80523KX400512, PIB (440GX/450NX chipset): BX80523KX40N512 |
| 100/400 MHz | Intel Pentium II Xeon 400 1MB CPU | 1024 kbyte L2 | 4 | 38.1 W TDP | June 1998 |
OEM: 80523KX4001M, PIB (440GX chipset): BX80523KX4001M, PIB (440GX/450NX chipset): BX80523KX40N1M |
| 100/450 MHz | Intel Pentium II Xeon 450 512KB CPU | 512 kbyte L2 | 4.5 | 34.5 W TDP | October 1998 |
OEM: 80523KX450512, PIB (440GX chipset): BX80523KX45G512, PIB (440GX/450NX chipset): BX80523KX450512 |
| 100/450 MHz | Intel Pentium II Xeon 450 1MB CPU | 1 Mbyte L2 | 4.5 | 42.8 W TDP | January 1999 |
OEM: 80523KX4501M, PIB: BX80523KX4501M |
| Clock speed | Model | Cache | Multiplier | Power dissipation | Introduction | Order part numbers |
| 100/450 MHz | Intel Pentium II Xeon 450 2MB CPU | 2 Mbyte L2 | 4.5 | 46.7 W TDP | January 1999 |
OEM: 80523KX4502M, PIB: BX80523KX4502M |
Physics
Temperature: 0-75 °C.
Manufacturing process: 0.25 micron.
Number of transistors: 7.5 million.
Die size:
- 131 mm2 (P856),
- 118 mm2 (P856.5: 5% linear shrink).
Packaging: Slot 2.
CPUID32
| Type | Family | Model | Stepping | Description |
|---|---|---|---|---|
| 0x0 | 0x6 | 0x5 | 0x2 | stepping B0 |
| 0x0 | 0x6 | 0x5 | 0x3 | stepping B1 |
Step level
Text:
Step levels: B0, B1.
S-Spec / Stepping code
| Model | Code | Stepping | Description |
|---|---|---|---|
| Intel Pentium II Xeon 300 1MB CPU | Q246 | ES | |
| Intel Pentium II Xeon 300 2MB CPU | Q247 | ES | |
| Intel Pentium II Xeon 350 512KB CPU | Q515 | ES | |
| Intel Pentium II Xeon 350 1MB CPU | Q429 | ES | |
| Intel Pentium II Xeon 350 1MB CPU | Q509 | ES | |
| Intel Pentium II Xeon 400 1MB CPU | Q619 | ES | |
| Intel Pentium II Xeon 400 1MB CPU | SL2NB | B0 | |
| Intel Pentium II Xeon 400 512KB CPU | Q519 | ES | |
| Model | Code | Stepping | Description |
| Intel Pentium II Xeon 400 512KB CPU | Q626 | ES | |
| Intel Pentium II Xeon 400 512KB CPU | SL2RH | B0 | |
| Intel Pentium II Xeon 450 512KB CPU | Q665 | ES | |
| Intel Pentium II Xeon 450 512KB CPU | Q799 | ES | |
| Intel Pentium II Xeon 450 512KB CPU | Q809 | ES | |
| Intel Pentium II Xeon 450 512KB CPU | SL2XJ | B1 | L2 cache ECC cannot be disabled |
| Intel Pentium II Xeon 450 1MB CPU | Q810 | ES | |
| Intel Pentium II Xeon 450 1MB CPU | SL2XK | B1 | L2 cache ECC cannot be disabled |
| Model | Code | Stepping | Description |
| Intel Pentium II Xeon 450 2MB CPU | Q667 | ES | |
| Intel Pentium II Xeon 450 2MB CPU | Q811 | ES | |
| Intel Pentium II Xeon 450 2MB CPU | SL2XL | B1 | L2 cache ECC cannot be disabled |
| Intel Pentium II Xeon 450 512KB CPU | SL33T | B1 |
L2 cache ECC cannot be disabled; boxed processor with attached passive heatsink |
| Intel Pentium II Xeon 450 1MB CPU | SL33U | B1 |
L2 cache ECC cannot be disabled; boxed processor with attached passive heatsink |
| Intel Pentium II Xeon 450 2MB CPU | SL33V | B1 |
L2 cache ECC cannot be disabled; boxed processor with attached passive heatsink |
| Intel Pentium II Xeon 400 512KB CPU | SL344 | B0 | temperature: 0-65 °C |
| Intel Pentium II Xeon 400 1MB CPU | SL345 | B0 | temperature: 0-65 °C |
| Model | Code | Stepping | Description |
| Intel Pentium II Xeon 400 512KB CPU | SL34H | B1 | temperature: 0-65 °C |
| Intel Pentium II Xeon 400 1MB CPU | SL34J | B1 | temperature: 0-65 °C |
| Intel Pentium II Xeon 450 512KB CPU | SL354 | B1 | L2 cache ECC cannot be disabled |
| Intel Pentium II Xeon 400 512KB CPU | SL35N | B1 |
4-way SMP; temperature: 0-65 °C; boxed processor with attached passive heatsink |
| Intel Pentium II Xeon 400 1MB CPU | SL35P | B1 |
4-way SMP; temperature: 0-65 °C; boxed processor with attached passive heatsink |
| Intel Pentium II Xeon 450 512KB CPU | SL36W | B1 |
L2 cache ECC cannot be disabled; 4-way SMP; boxed processor with attached passive heatsink |
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