Difference between revisions of "IBM 486"

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(IBM Blue Lightning 486)
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=== IBM Blue Lightning 486 ===
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=== IBM 486 ===
The IBM Blue Lightning 486 was based on a Cyrix Cx486 core.
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Most of the IBM 486 CPUs were based on Intel and Cyrix 386 cores, which IBM extended with support for the 486 instruction set, wider busses and other features.
  
 
===Features===
 
===Features===

Revision as of 00:46, 23 August 2005

IBM 486

Most of the IBM 486 CPUs were based on Intel and Cyrix 386 cores, which IBM extended with support for the 486 instruction set, wider busses and other features.

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