Cyrix 486DRx²20/40
Cyrix 486DRx²16/32
Cyrix 486DRx²20/40
Cyrix 486DRx²25/50
Cyrix 486DRx²33/66
Sub-type |
Number
|
64x |
6
|
65x |
8
|
66x |
1
|
Miscellanous |
2
|
Total |
17
|
Name |
Bus frequency
|
Memory controller
|
Ports
|
SiS 645 |
FSB, ???
|
None
|
|
SiS 645DX |
FSB, ???
|
None
|
|
SiS 648 |
FSB, ???
|
None
|
|
SiS 648DX |
FSB, ???
|
None
|
|
SiS 648FX |
FSB, ???
|
None
|
|
SiS 649 |
FSB, ???
|
None
|
|
SiS 650 |
FSB, ???
|
None
|
|
SiS 650GX |
FSB, ???
|
None
|
|
SiS 651 |
FSB, ???
|
None
|
|
SiS 655 |
FSB, ???
|
None
|
|
SiS 655FX |
FSB, ???
|
None
|
|
SiS 655TX |
FSB, ???
|
None
|
|
SiS 656 |
FSB, ???
|
None
|
|
SiS 656FX |
FSB, ???
|
None
|
|
SiS 661FX |
FSB, ???
|
None
|
|
SiS R658 |
FSB, ???
|
None
|
|
SiS R659 |
FSB, ???
|
None
|
|