CPU-World logo News · Chips · Information · Forum · Links · About
BSP · CPU · FPU · MCU · SoC · Other ICs · Curiosities

Intel Pentium III 850 - RB80526PY850256 (BX80526F850256 / BX80526F850256E)

CPU » Intel » Pentium III families » Pentium III (Coppermine) » RB80526PY850256

Specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyIntel Pentium III
CPU part numbersRB80526PY850256 is an OEM/tray microprocessor
BX80526F850256 is a boxed microprocessor
BX80526F850256E is a boxed microprocessor
Frequency  ? 850 MHz
Bus speed  ? 100 MHz
Clock multiplier  ? 8.5
Package370-pin Flip-Chip Pin Grid Array (FC-PGA)
1.95" x 1.95" (4.95 cm x 4.95 cm)
SocketSocket 370
Introduction dateMar 20, 2000
 
S-spec numbers
  ES/QS processors Production processors
Part number QAZ0 QS68 QV32 SL43H SL49G SL4CC SL4MC SL4Z2
BX80526F850256      + 
BX80526F850256E   +++  
RB80526PY850256++++ + +
 
Architecture / Microarchitecture
MicroarchitectureP6
Processor core  ? Coppermine
Core steppings  ? cB0 (SL43H)
cC0 (SL4CC, SL4MC)
cD0 (QAZ0, SL4Z2)
CPUIDs683 (SL43H)
686 (SL4CC, SL4MC)
68A (QAZ0, SL4Z2)
Manufacturing process0.18 micron
28 million transistors
Data width32 bit
Data bus width64 bit
The number of cores1
The number of threads1
Floating Point UnitIntegrated
Level 1 cache size  ? 16 KB instruction cache
16 KB data cache
Level 2 cache size  ? Full-speed integrated 8-way set associative 256 KB
Features
  • MMX technology
  • SSE instructions
Low power features
  • AutoHALT state  ? 
  • Stop Grant state  ? 
  • Sleep state  ? 
  • Deep Sleep state  ? 
  • System Management Mode
 
Electrical/Thermal parameters
Min/Recommended/Max V core1.57V / 1.65V / 1.69V
1.62V / 1.7V / 1.74V
1.67V / 1.75V / 1.79V
Minimum/Maximum operating temperature  ? 0°C - 80°C
Maximum power dissipation  ? 27.54 Watt (1.7V core)
30.28 Watt (1.75V core)
 
Notes on Intel RB80526PY850256
  • The processor is usually marked as 850/256/100/1.65V, 850/256/100/1.7V or 850/256/100/1.75V, where the last number specifies processor's core voltage. If the processor is marked with RB80526PY850256 part number then use processor specification number to identify processor's core voltage
  CPUs, related to Intel Pentium III 850 MHz (RB80526PY850256)  

Model Freq. L2
cache		 Multi-
processing		 Features
Intel Pentium III (Coppermine) family, Socket 370
   Intel Pentium III 866 MHz (RB80526PZ866256)866 MHz256 KB 
   Intel Pentium III 866 MHz (RK80526PZ866256)866 MHz256 KB 
   Intel Pentium III 900 MHz (RB80526PY900256)900 MHz256 KB 
   Intel Pentium III 933 MHz (RB80526PZ933256)933 MHz256 KB 
   Intel Pentium III 933 MHz (RK80526PZ933256)933 MHz256 KB 
   Intel Pentium III 1 GHz (RB80526PY001256)1 GHz256 KB 
   Intel Pentium III 1BGHz (Socket 370)1 GHz256 KB 
   Intel Pentium III 1BGHz (Socket 370)1 GHz256 KB 
   Intel Pentium III 1.1 GHz (RB80526PY005256)1.1 GHz256 KB 
   Intel Pentium III 1.13 GHz (RK80526PZ006256)1.13 GHz256 KB 
Intel Pentium III (Coppermine) family, P6 micro-architecture, Other sockets
   Intel Pentium III 800EB (Slot 1)800 MHz256 KB2
   Intel Pentium III 850 MHz (80526PY850256)850 MHz256 KB2
   Intel Pentium III 866 MHz (80526PZ866256)866 MHz256 KB2
   Intel Pentium III 933 MHz (80526PZ933256)933 MHz256 KB2
   Intel Pentium III 1 GHz (80526PY1000256)1 GHz256 KB2
   Intel Pentium III 1BGHz (Slot 1)1 GHz256 KB2
Other families, P6 micro-architecture, Socket 370
   Intel Celeron 1.3 GHz (RK80530RY013256)1.3 GHz256 KB 
   Intel Pentium III 1.33 GHz (RK80530PZ014256)1.33 GHz256 KB1
   Intel Celeron 1.4 GHz (RK80530RY017256)1.4 GHz256 KB 
   Intel Pentium III 1.4 GHz (RK80530PZ017256)1.4 GHz256 KB1
   Intel Pentium III 1.4GHz-S1.4 GHz512 KB2
   Intel Celeron 1.5 GHz (RK80530RY021256)1.5 GHz256 KB 

 • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)

 • List of related CPUs is not complete.

Pictures (1)

 
2011-01-13 23:42:01
Posted by: Neon

  		 

CPU ID (1)

NOTE: CPU ID information below was taken from one CPU and may include features that are not present in all different steppings of the Intel Pentium III 850 CPU.

Manufacturer:Intel
CPU Family:Pentium III
Processor Number:850
Frequency:846 MHz
Part number:
RB80526PY850256
S-Spec Number:SL4Z2
Comment:
Submitted by:Neon
General information
Vendor:GenuineIntel
Processor type:Original OEM Processor
CPUID signature:68A
Family: 6 (06h)
Model: 8 (08h)
Stepping:10 (0Ah)
TLB/Cache details:Data TLB: 4-KB Pages, 4-way set associative, 64 entries
Data TLB: 4-MB Pages, 4-way set associative, 8 entries
Instruction TLB: 4-KB Pages, 4-way set associative, 32 entries
Instruction TLB: 4-MB Pages, fully associative, 2 entries

Cache: L1 data L1 instruction L2
Size: 16 KB 16 KB 256 KB
Associativity: 4-way set
associative		 4-way set
associative		 8-way set
associative
Line size: 32 bytes 32 bytes 32 bytes
 
Instruction set extensionsAdditional instructions
MMX CMOV
SSE CMPXCHG8B
  FXSAVE/FXRSTORE
  SYSENTER/SYSEXIT
 
Major featuresOther features
On-chip Floating Point Unit 36-bit page-size extensions
  Advanced programmable interrupt controller
  Debugging extensions
  Machine check architecture
  Machine check exception
  Memory-type range registers
  Model-specific registers
  Page attribute table
  Page global extension
  Page-size extensions (4MB pages)
  Physical address extensions
  Time stamp counter
  Virtual 8086-mode enhancements

Comments (0)

Last modified: 9 Feb 2012
Terms and Conditions · Privacy Policy · Contact Us (c) Copyright 2003 - 2010 Gennadiy Shvets

Search CPU-World

Search site contents:

Identify part

Identify CPU, FPU or MCU:

Related Links

Architecture
Identification
Pinouts
Support chips

Find CPUs

Find Pentium III CPUs with:

Same socket