AMD Am486 DX40

Videoseven V7-Mirage ISA | CL-GD5428 80QC-A View next object

AMD's 40MHz 386 ran very well and was quite fast for a 386 because the front-side-bus (FSB) did its job at 40MHz as well. The Am486 at 40MHz was less successful. Ideally the 486 was plugged into a motherboard with Vesa Local Bus (VLB) slots. These slots were designed to run at 25MHz or 33MHz but could be troublesome when running at 40MHz or 50MHz. Because of this the 40MHz part was less common.

Also by the time the Am486DX40 was available most people wanted faster systems like a DX2/66.

Specifications

Core / Codename

80486

Clockfrequency

40MHz

Front Side Bus

40MHz

Multiplier

1x

vCore

5V

L1 cache

8KB

L2 cache

None

sSpec

24361

Chip date

9403

Stepping

D

Socket

PGA168

Transistor count

1.2M?

Condition

CPU only

Engineering sample?

No

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