| 
					Type
				 | 
				
					CPU / Microprocessor
				 | 
			
			
				| 
					Market segment
				 | 
				
					Desktop
				 | 
			
			
				| 
					Family
				 | 
				
					
Intel Pentium
				 | 
			
			
				| 
					CPU part number
				 | 
				
					
					
						- 
							PCPU5V66 is an OEM/tray microprocessor
						
 
					 
				 | 
			
			
				| 
					Frequency   
				 | 
				
					66 MHz
				 | 
			
			
				| 
					Bus speed   
				 | 
				
					66 MHz
				 | 
			
			
				| 
					Clock multiplier   
				 | 
				
					1
				 | 
			
			
				| 
					Package
				 | 
				
					273-pin ceramic Pin Grid Array 
2.16" x 2.16" (5.49 cm x 5.49 cm)
				 | 
			
			
				| 
					Socket
				 | 
				
					Socket 4
				 | 
			
			
				| 
					Introduction date
				 | 
				
					22-Mar-93
				 | 
			
			
				| 
					ICOMP index
				 | 
				
					567
				 | 
			
			
				| 
					Upgrade options
				 | 
				
					Pentium overdrive 133
				 | 
			
			
				| 
					S-spec numbers
				 | 
			
			
				
					
						
							
								| 
									 
								 | 
								
									Production processors
								 | 
							 
							
								| 
									Part number
								 | 
								
									SZ950
								 | 
							 
							
								| 
									PCPU5V66
								 | 
								
									+
								 | 
							 
						
					 
				 | 
			
			
				| 
					Architecture / Microarchitecture
				 | 
			
			
				| 
					Microarchitecture
				 | 
				
					P5
				 | 
			
			
				| 
					Processor core   
				 | 
				
					P5
				 | 
			
			
				| 
					Core stepping   
				 | 
				
					C1 (SZ950)
				 | 
			
			
				| 
					CPUID
				 | 
				
					515 (SZ950)
				 | 
			
			
				| 
					Manufacturing process
				 | 
				
					0.8 micron BiCMOS process, 3.1 million transistors
				 | 
			
			
				| 
					Data width
				 | 
				
					32 bit
				 | 
			
			
				| 
					Data bus width
				 | 
				
					64 bit
				 | 
			
			
				| 
					Floating Point Unit
				 | 
				
					Integrated
				 | 
			
			
				| 
					Level 1 cache size   
				 | 
				
					8 KB 2-way set associative code cache 
8 KB 2-way set associative write-back data cache
				 | 
			
			
				| 
					Physical memory
				 | 
				
					4 GB
				 | 
			
			
				| 
					Multiprocessing
				 | 
				
					Up to 2 processors
				 | 
			
			
				| 
					Low power features
				 | 
				
					
						- 
							System Management Mode
						
 
						- 
							SL power-management features
						
 
					 
				 | 
			
			
				| 
					On-chip peripherals
				 | 
				
					
						- 
							Memory Management Unit
						
 
						- 
							Local Advanced Programmable Interrupt Controller
						
 
					 
				 | 
			
			
				| 
					Electrical / Thermal parameters
				 | 
			
			
				| 
					V core   
				 | 
				
					5.15V ± 5%
				 | 
			
			
				| 
					Minimum/Maximum operating temperature   
				 | 
				
					0°C - 70°C
				 | 
			
			
				| 
					Typical/Maximum power dissipation
				 | 
				
					13 Watt / 17.28 Watt
				 | 
			
			
				| 
					Thermal Design Power   
				 | 
				
					16 Watt
				 | 
			
			
				| 
					Notes on Intel Pentium 66 MHz
				 | 
			
			
				
					
						- 
							Minimum bus frequency is 33 MHz
						
 
						- 
							The processor is not marked with a S-Spec number
						
 
					 
				 |