CPU Information
| General information |
| Type | CPU / Microprocessor |
| Family | Intel Pentium |
| CPU part number | A80502-90 (Q0542, Q0543, Q0611, Q0612, Q0613, Q0628, Q0644, Q0653, Q0654, Q0655, Q0699, Q0783, SL2WW, SX653, SX874, SX879, SX885, SX909, SX921, SX922, SX923, SX942, SX943, SX944, SX957, SX958, SX959, SX968, SY006) |
| Frequency (MHz) ? | 90 |
| Bus speed (MHz) ? | 60 |
| Clock multiplier ? | 1.5 |
| Package | 296-pin Ceramic Staggered Pin Grid Array (SPGA)
1.95" x 1.95" (4.95 cm x 4.95 cm) |
| Socket | Socket 5; Socket 7 |
| Introduction date | 7-Mar-94 |
| ICOMP 2 index | 81 |
| Upgrade options | - Pentium overdrive 150
- Pentium MMX overdrive 150
- Pentium MMX overdrive 180
|
| | | Architecture / Microarchitecture |
| Core steppings | B1 (Q0542, Q0543, Q0613, SX874, SX879, SX885, SX909)
B3 (Q0611, Q0612, Q0628, SX921, SX922, SX923, SX942, SX943, SX944)
B5 (Q0653, Q0654, Q0655, SX957, SX958, SX959)
C2 (Q0699, SX968)
E0 (Q0783, SL2WW, SY006) |
| Manufacturing process | 0.6 micron
3.2 million transistors |
| Data width | 32 (64 bit data bus) 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 (GB) | 4 |
| Multiprocessing | Supported |
| Low power features | - System Management Mode
- Clock Control
- SL power-management features
|
| On-chip peripherals | - Memory Management Unit
- Local Advanced Programmable Interrupt Controller
|
| | | Electrical/Thermal parameters |
| Min/Recommended/Max V core (V) | 3.135 / 3.3 / 3.6 |
| Minimum/Maximum operating temperature (°C) ? | 0 - 70 |
| Minimum/Typical/Maximum power dissipation (W) | 1.4 / 3.5 / 10.62 |
| Thermal Design Power (W) ? | 9 |
| |
| Notes on Intel A80502-90 |
- Minimum bus frequency is 30 MHz
- There is a mobile Pentium processor with the same part number. Please use processor specification number to distinguish between desktop and mobile processors.
|
Pictures (4)
|
| Without heatspreader |
|
 |
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| With heatspreader / With FDIV bug |
90 MHz
296-pin ceramic staggered PGA with heatspreader
The processor has FDIV bug |
%20(FDIV%20bug).jpg) |
|
| With heatspreader |
90 MHz
296-pin ceramic staggered PGA with heatspreader |
 |
|
| |
|
golden engineering sample |
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Benchmarks
| Tested processor |
| CPU ID: | 0525h |
| CPU vendor string: | GenuineIntel |
| |
| Motherboard Tekram P5M4-M+ (PC-DOS) |
| Dhrystone 2.1 (VAX MIPS) | 80.19 |
| Doom 1.9s high detail (FPS) | 53.3 |
| Doom 1.9s low detail (FPS) | 82.77 |
| Linpack 100x100 (MFLOPS) | 12.63 |
| Whetstone (KWIPS) | 38.11 |
| |
| Motherboard Tekram P5M4-M+ (Win98) |
| Sandra Dhrystone (MIPS) | 171 |
| Sandra MultiMedia Floating Point (it/s) | 105 |
| Sandra MultiMedia Integer (it/s) | 117 |
| Sandra Whetstone (MFLOPS) | 97 |
CPU ID
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 90 CPU.
| Manufacturer: | Intel |
| Family: | Pentium |
| Model / Processor Number: | 90 |
|
| Part number: | A80502-90 |
| S-Spec / Comment: | SX968 |
| Submitted by: | Neon |
|
| General information |
|---|
| Vendor: | GenuineIntel |
| Processor type: | Original OEM Processor |
| CPUID signature: | 525 |
| Family: | 5 (05h) |
| Model: | 2 (02h) |
| Stepping: | 5 (05h) |
| |
| Instruction set extensions | Additonal instructions |
|---|
| |
CMPXCHG8B |
| |
| Major features | Other 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 |
|
|
%20(FDIV%20bug).jpg)
