Intel A80486DX-50
Specifications
Tools
Intel 80486 50 MHz specifications
| General information | |||||||||||||||||||||||||||||||
| Type | CPU / Microprocessor | ||||||||||||||||||||||||||||||
| Family | Intel 80486 | ||||||||||||||||||||||||||||||
| CPU part number | A80486DX-50 is an OEM/tray microprocessor | ||||||||||||||||||||||||||||||
| Frequency ? | 50 MHz | ||||||||||||||||||||||||||||||
| Bus speed ? | 50 MHz | ||||||||||||||||||||||||||||||
| Clock multiplier ? | 1 | ||||||||||||||||||||||||||||||
| Package | 168-pin Pin Grid Array 1.75" x 1.75" (4.45 cm x 4.45 cm) | ||||||||||||||||||||||||||||||
| Introduction date | 24-Jun-91 | ||||||||||||||||||||||||||||||
| S-spec numbers | |||||||||||||||||||||||||||||||
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| Architecture / Microarchitecture | |||||||||||||||||||||||||||||||
| Microarchitecture | i486 | ||||||||||||||||||||||||||||||
| CPUIDs | 411 (SX546) 413 (SX710) | ||||||||||||||||||||||||||||||
| Manufacturing process | 1 micron 1.2 million transistors | ||||||||||||||||||||||||||||||
| Data width | 32 bit | ||||||||||||||||||||||||||||||
| Floating Point Unit | Integrated | ||||||||||||||||||||||||||||||
| Level 1 cache size ? | 8 KB 4-way set associative unified code and data cache | ||||||||||||||||||||||||||||||
| Physical memory | 4 GB | ||||||||||||||||||||||||||||||
| Virtual memory | 64 TB | ||||||||||||||||||||||||||||||
| On-chip peripherals | Memory management unit | ||||||||||||||||||||||||||||||
| Electrical / Thermal parameters | |||||||||||||||||||||||||||||||
| V core ? | 5V ± 5% | ||||||||||||||||||||||||||||||
| Minimum/Maximum operating temperature ? | 0°C - 85°C | ||||||||||||||||||||||||||||||
| Typical/Maximum power dissipation | 4 Watt / 5.25 Watt | ||||||||||||||||||||||||||||||
Pictures (1)
| Intel A80486DX-50 | |
50 MHz 168-pin ceramic PGA |
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Problems with 50MHz 486
From what I can remember, the first batch of 50MHz 486DX chips had some serious heat issues, and I believe intel issued a recall. I am pretty certain Intel switched production of the 50MHz part over to a smaller die size to fix the problem.
50MHz parts were only popular with ISA and EISA systems. It was very hard to build a 50MHz VLB or PCI system. Therefore the 50MHz DX/2s are far more common.
Intel A80486DX-50 Awesomeness
The year was 1992. My First PC. It was an EISA bus with 8 MBs of Ram and an ATI SpeedStar EISA video card w/8MBs of video memory. I added my own TAG memory ( motherbord cache 64k? [8 chips x 8k]) Installed were DOS and Windows 3.1. Price tag-$3200.00- What a machine!!!!!!!!!!! (speed was comparable to the limited pre-tested release of the 1st pentium.