Intel Pentium 66 - A80501-66


Specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyIntel Pentium
CPU part numberA80501-66 is an OEM/tray microprocessor
Frequency (MHz)  ? 66
Bus speed (MHz)  ? 66
Clock multiplier  ? 1
Package273-pin ceramic Pin Grid Array
2.16" x 2.16" (5.49 cm x 5.49 cm)
SocketSocket 4
Introduction date22-Mar-93
ICOMP index567
Upgrade optionsPentium overdrive 133
 
S-spec numbers
  ES/QS processors
Part number Q0353 Q0395 Q0413 Q0467 Q0626 Q0627
A80501-66++++++
 
  Production processors
Part number SX754 SX828 SX836 SX837 SX949 SX950 SZ950
A80501-66+++++++
 
Architecture / Microarchitecture
MicroarchitectureP5
Processor core  ? P5
Core steppings  ? B1" (Q0413, SX754)
B1' (Q0353, Q0395)
C1 (Q0467, SX837, SZ950)
D1 (Q0626, Q0627, SX949, SX950)
CPUIDs513 (Q0353, Q0395, Q0413, SX754)
515 (Q0467, SX837, SZ950)
517 (Q0626, Q0627, SX949, SX950)
Manufacturing process0.8 micron BiCMOS process, 3.1 million transistors
Data width32 bit
Data bus width64 bit
Floating Point UnitIntegrated
Level 1 cache size  ? 8 KB 2-way set associative code cache
8 KB 2-way set associative write-back data cache
Physical memory (GB)4
MultiprocessingUp 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 (V)  ? 5.15 ± 5%
There were versions of Pentium 66 with different voltage range. Please follow links with processor's specification numbers for more accurate information.
Minimum/Maximum operating temperature (°C)  ? 0 - 70/75 (Depends on a processor specification number). Please follow links with processor's specification numbers for more accurate information.
Typical/Maximum power dissipation (W)13 / 17.28
Thermal Design Power (W)  ? 16
 
Notes on Intel A80501-66
  • Minimum bus frequency is 33 MHz
  CPUs, related to Intel Pentium 66 MHz (A80501-66)  

Model Freq. L1
cache
Multi-
processing
TDP Features
Intel Pentium family, Socket 4
   Intel Pentium 60 MHz (A80501-60)60 MHz16 KB214.6 Watt
   Intel Pentium 60 MHz (PCPU5V60)60 MHz16 KB214.6 Watt
   Intel Pentium 66 MHz (PCPU5V66)66 MHz16 KB216 Watt
Intel Pentium family, P5 micro-architecture, Other sockets
   Intel Pentium 150 MHz (A80502150)150 MHz16 KB211.6 Watt
   Intel Pentium 150 MHz (BP80502150)150 MHz16 KB211.6 Watt
   Intel Pentium 166 MHz (A80502166)166 MHz16 KB214.5 Watt
   Intel Pentium 166 MHz (BP80502166)166 MHz16 KB214.5 Watt
   Intel Pentium 166 MHz (FV80502166)166 MHz16 KB214.5 Watt
   Intel Pentium 200 MHz (A80502200)200 MHz16 KB215.5 Watt
   Intel Pentium 200 MHz (BP80502200)200 MHz16 KB215.5 Watt
   Intel Pentium 200 MHz (FV80502200)200 MHz16 KB215.5 Watt

Pictures (3)

Without heatspreader

Intel Pentium 66 - A80501-66
With heatspreader

66 MHz
273-pin ceramic Pin Grid Array with heatspreader

The processor has FDIV bug
Intel Pentium 66 - A80501-66
With heatspreader / No FDIV bug

66 MHz
273-pin ceramic Pin Grid Array with heatspreader
Intel Pentium 66 - A80501-66

CPU ID (3)

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 66 MHz CPU.

Manufacturer:Intel
CPU Family:Pentium
Processor Number:66 MHz
Frequency:67 MHz
Part number:
A80501-66
S-Spec Number:SX836
Comment:
Submitted by:Neon_WA
General information
Vendor:GenuineIntel
Processor type:Original OEM Processor
CPUID signature:515
Family: 5 (05h)
Model: 1 (01h)
Stepping: 5 (05h)
 
Instruction set extensionsAdditional instructions
  CMPXCHG8B
 
Major featuresOther features
On-chip Floating Point Unit Debugging extensions
  Machine check exception
  Model-specific registers
  Page-size extensions (4MB pages)
  Time stamp counter
  Virtual 8086-mode enhancements

Our CPUID database has 3 records for this microprocessor. See all submitted records.

Comments (0)

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