Cyrix 486DRx²20/40
Cyrix 486DRx²16/32
Cyrix 486DRx²20/40
Cyrix 486DRx²25/50
Cyrix 486DRx²33/66
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Intel 387DX-20 PGA
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| Manufacturer | Intel | ||
| Model | 387 | ||
| Architecture | x86 | ||
| Core frequency | 20 MHz | ||
| Package | CPGA-68 | ||
| Physical informations | |||
| Package Size | 2,9x2,9 cm | Manufacturing process | 1,5 µm |
| Die size | ??? | Transistor count | ??? |
| Electrical informations | |||
| Bus frequency | 20 MHz | ||
| Core/Bus ratio | 1.0x | ||
| Voltage | 5V | ||
| Other informations | |||
| Release date | 1986 | ||
| Launch price | $647 (OEM Price - for 1000 cpus) | ||
| Functions/Features | None | ||
| Sspec | SC19, SC21, SX024, SX030, SX105 | ||
| Part Number | A80387-20 (OEM), A80387-20B (OEM), A80387DX-20 (OEM), MG8038720 (OEM) | ||
| Collectable Variants |
- Old partnumbering, No Logo (A80387-20, A80387-20B)  - Old partnumbering, Intel Logo (A80387DX-20) - New partnumbering (A80387DX-20) - Military Spec. (MG8038720) |
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| The cpu for sale | |||
| Reference | M809110B 9809Q | ||
| Serie | MG8038720 | ||
| Comments | M809110B 9809Q | ||
| Status | Not tested, but should be working | ||
