Semiconductor & Computer Engineering
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Difference between revisions of "intel/80486/486dx-25"
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{{intel title|i486DX-25}} | {{intel title|i486DX-25}} | ||
| − | {{ | + | {{chip |
| name = Intel i486DX-25 | | name = Intel i486DX-25 | ||
| image = Intel i486 DX 25MHz SX328.jpg | | image = Intel i486 DX 25MHz SX328.jpg | ||
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| s-spec qs = Q0143 | | s-spec qs = Q0143 | ||
| cpuid = 401 | | cpuid = 401 | ||
| − | | cpuid | + | | cpuid 2 = 402 |
| − | | cpuid | + | | cpuid 3 = 404 |
| microarch = 80486 | | microarch = 80486 | ||
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| core count = 1 | | core count = 1 | ||
| max cpus = 1 | | max cpus = 1 | ||
| − | | max memory = 4 | + | | max memory = 4 GiB |
| + | |||
| − | |||
| power = 2.75 W | | power = 2.75 W | ||
| v core = 5 V | | v core = 5 V | ||
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{{main|intel/microarchitectures/80486#Memory_Hierarchy|l1=80486 § Cache}} | {{main|intel/microarchitectures/80486#Memory_Hierarchy|l1=80486 § Cache}} | ||
{{cache info | {{cache info | ||
| − | |l1 cache=8 | + | |l1 cache=8 KiB |
| − | |l1 break=1x8 | + | |l1 break=1x8 KiB |
|l1 desc=4-way set associative | |l1 desc=4-way set associative | ||
| − | |l1 extra=(unified, write-through policy ) | + | |l1 extra=(unified, write-through policy) |
}} | }} | ||
Latest revision as of 15:13, 13 December 2017
| Edit Values | |
| Intel i486DX-25 | |
 | |
| A80486DX-25, S-Spec SX328 | |
| General Info | |
| Designer | Intel |
| Manufacturer | Intel |
| Model Number | i486DX-25 |
| Part Number | A80486-25, A80486DX-25, MA80486DX-25, MG80486DX-25, MQ80486DX-25 |
| S-Spec | SX250, SX300, SX308, SX328, SX418, SX493, SX728 Q0143 (QS) |
| Introduction | June, 1989 (launched) |
| Shop | Amazon |
| General Specs | |
| Family | 80486 |
| Series | 486DX |
| Frequency | 25 MHz |
| Bus type | FSB |
| Bus speed | 25 MHz |
| Bus rate | 25 MT/s |
| Clock multiplier | 1 |
| CPUID | 401, 402, 404 |
| Microarchitecture | |
| Microarchitecture | 80486 |
| Core Name | 486DX |
| Process | 1 µm, 800 nm |
| Transistors | 1,200,000 |
| Technology | CMOS |
| Word Size | 32 bit |
| Cores | 1 |
| Max Memory | 4 GiB |
| Multiprocessing | |
| Max SMP | 1-Way (Uniprocessor) |
| Electrical | |
| Power dissipation | 2.75 W |
| Vcore | 5 V ± 5% |
| OP Temperature | 0 °C – 85 °C |
i486DX-25 was a fourth-generation x86 microprocessor introduced by Intel in 1989. This chip, which is based on the 80486 microarchitecture, operated at 25 MHz. This chip implemented the 80387 FPU on-die and incorporated System Management Mode (SMM).
Contents
Cache[edit]
- Main article: 80486 § Cache
| Cache Info [Edit Values] | ||
| L1$ | 8 KiB 8,192 B 0.00781 MiB |
1x8 KiB 4-way set associative (unified, write-through policy) |
Graphics[edit]
This chip had no integrated graphics processing unit.
Features[edit]
- System Management Mode (SMM)