View source for IBM 486

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=== 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===
*16 KB L1-Cache
*no L2-Cache
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==Available Types and ThinkPads featuring them==
{| border=1 cellspacing=0 cellpadding=2
|- style="background:#ffdead;white-space:nowrap;"
! Model/Freq. (MHz) !! FSB (MHz) !! FPU !! VCore (MHz) !! TDP (W) !! ThinkPad Models
|- style="background:#efefef;"
! colspan=6 | 486 DX4
|-
| 100 || 33 || &bull; || ... || ... || 
|-
| 75 || 25 || &bull; || ... || ... || 
|- style="background:#efefef;"
! colspan=6 | Blue Lightning 486 DX2
|-
| 80 || 40 || &bull; || ... || ... || 
|-
| 66 || 33 || &bull; || ... || ... || 
|-
| 50 || 25 || &bull; || ... || ... || 
|- style="background:#efefef;"
! colspan=6 | 486 DX2
|-
| 80 || 40 || ... || ... || ... || 
|-
| 66 || 33 || ... || ... || ... || 
|-
| 50 || 25 || ... || ... || ... || 
|- style="background:#efefef;"
! colspan=6 | Blue Lightning 486 BLX3
|-
| 100 || 33 || ... || ... || ... || 
|-
| 75 || 25 || ... || ... || ... || 
|-
| 60 || 20 || ... || ... || ... || 
|-
| 45 || 15 || ... || ... || ... || 
|- style="background:#efefef;"
! colspan=6 | Blue Lightning 486 BLX2
|-
| 66 || 33 || || ... || ... || 
|-
| 50 || 25 || || ... || ... || {{510Cs}}
|-
| 40 || 20 || || ... || ... || 
|-
| 30 || 15 || || ... || ... || 
|- style="background:#efefef;"
! colspan=6 | Blue Lightning 486 BLX - 0.8&micro;m
|-
| 33 || 33 || || 3.3 || ... || 
|-
| 25 || 25 || || 3.3 || ... || 
|-
| 20 || 20 || || 3.3 || ... || 
|-
| 15 || 15 || || 3.3 || ... || 
|- style="background:#efefef;"
! colspan=6 | 486 DLC2
|-
| 66 || 33 || ... || ... || ... || 
|- style="background:#efefef;"
! colspan=6 | 486 DLC
|-
| 33 || 33 || ... || ... || ... || 
|- style="background:#efefef;"
! colspan=6 | 486 SLC2
|-
| 80 || 40 || || 3.3 || ... || 
|-
| 66 || 33 || || 3.3 || ... || {{340CSE}}
|-
| 50 || 25 || || 3.3 || 2.3 || {{340CSE}}, {{500}}, {{555BJ}}, {{720}}, {{720C}}
|-
| 40 || 20 || || 3.3 || 1.7 || 
|-
| 32 || 16 || || 3.3 || ... || 
|- style="background:#efefef;"
! colspan=6 | 486 SLC
|-
| 25 || 25 || || 3.3 || 1.3 || {{340}}
|-
| 25 || 25 || || ... || ... || {{550BJ}}, {{700}}, {{700C}}, {{710T}}
|-
| 20 || 20 || || 3.3 || 1.0 || 
|-
| 20 || 20 || || ... || ... || 
|-
| 16 || 16 || || ... || ... || 
|}

==Thermal Specifications==

==GCC Optimization Flags==


[[Category:Components]]