IBM 486

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IBM Blue Lightning 486

The IBM Blue Lightning 486 was based on a Cyrix Cx486 core.

Features

  • 8 KB (or 16?) L1-Cache
  • no L2-Cache
  • integrated FPU

Available Types and ThinkPads featuring them

Model/Freq. (MHz) FSB (MHz) FPU VCore (MHz) TDP (W) ThinkPad Models
486 DX4
100 33 ... ... ...
75 25 ... ... ...
Blue Lightning 486 DX2
80 40 ... ... ...
66 33 ... ... ...
50 25 ... ... ...
486 DX2
80 40 ... ... ...
66 33 ... ... ...
50 25 ... ... ...
Blue Lightning 486 BLX3
100 33 ... ... ...
75 25 ... ... ...
60 20 ... ... ...
45 15 ... ... ...
Blue Lightning 486 BLX2
66 33 ... ...
50 25 ... ... 510CS
40 20 ... ...
30 15 ... ...
Blue Lightning 486 BLX - 0.8µm
33 33 3.3 ...
25 25 3.3 ...
20 20 3.3 ...
15 15 3.3 ...
486 DLC2
66 33 ... ... ...
486 DLC
33 33 ... ... ...
486 SLC2
80 40 ... 3.3 ...
66 33 ... 3.3 ...
50 25 ... 3.3 2.3
40 20 ... 3.3 1.7
32 16 ... 3.3 ...
486 SLC
25 25 ... 3.3 1.3
25 25 ... ... ...
20 20 ... 3.3 1.0
20 20 ... ... ...
16 16 ... ... ...

Thermal Specifications

GCC Optimization Flags