| General information |
| Type | CPU / Microprocessor |
| Family | Intel Pentium III |
| CPU part numbers | 80526PY850256 (QX97, SL4BW)
KC80526PY850256 (SL43F, SL4BW) |
| Box part numbers | BX80526U850256 (SL43F)
BX80526U850256E (SL47M, SL4KH) |
| Frequency (MHz) ? | 850 |
| Bus speed (MHz) ? | 100 |
| Clock multiplier ? | 8.5 |
| Package | Single Edge Contact Cartridge 2 (SECC2) |
| Socket | Slot 1 (SC242) |
| Introduction date | Mar 20, 2000 |
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| Architecture / Microarchitecture |
| Processor core | Coppermine |
| Core steppings | cB0 (SL43F, SL47M)
cC0 (QX97, SL4BW, SL4KH) |
| Manufacturing process | 0.18 micron
28 million transistors |
| Data width | 32 (64-bit data bus) bit |
| Floating Point Unit | Integrated |
| Level 1 cache size ? | 16 KB instruction cache
16 KB data cache |
| Level 2 cache size ? | Full-speed on-die 256 KB |
| Multiprocessing | Up to 2 processors |
| Features | - MMX technology
- SSE instructions
|
| Low power features | - AutoHALT state ?
- Stop Grant state ?
- Sleep state ?
- Deep Sleep state ?
- System Management Mode
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| Electrical/Thermal parameters |
| Min/Recommended/Max V core (V) | 1.57 / 1.65 / 1.69
1.62 / 1.7 / 1.74 |
| Minimum/Maximum operating temperature (°C) ? | 0 - 80 |
| Minimum/Maximum power dissipation (W) ? | 4.23 (Stop Grant mode) / 26.73 (1.65V core)
4.35 (Stop Grant mode) / 27.54 (1.7V core) |
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| Notes on Intel 80526PY850256 |
- The processor is usually marked as 850/256/100/1.65V S1 or 850/256/100/1.7V S1, where the last number specifies processor's core voltage. If the processor is marked with 80526PY850256 part number then use processor specification number to identify processor's core voltage
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