IBM - 486 DX, DX2, DX4
| Name: | IBM 63G9145 486DX-33 |
| Family: | x86 |
| Freqence: | 33 Mhz |
| Bus: | 33 Mhz |
| Made: | 38, 1993 |
| Package: | 168 pin CPGA |
| Name: | IBM 03H4938 486DX2-50 |
| Family: | x86 |
| Freqence: | 50 Mhz |
| Bus: | 25 Mhz |
| Package: | 168 pin CPGA |
| Name: | IBM Blue Lightning 486DX2-50GP |
| Family: | x86 |
| Freqence: | 50 Mhz |
| Bus: | 25 Mhz |
| Package: | 168 pin CPGA |
| Comment: | blue heatsink |
| Name: | IBM 49G2988 Overdrive 486DX2-50 |
| Family: | x86 |
| Freqence: | 50 Mhz |
| Bus: | 25 Mhz |
| Made: | 46, 1992 |
| Package: | 169 pin CPGA |
| Comment: | black heatsink, cpu for overdrive processor socket |
| Name: | IBM 03H4939 486DX2-66 |
| Family: | x86 |
| Freqence: | 66 Mhz |
| Bus: | 33 Mhz |
| Package: | 168 pin CPGA |
| Name: | IBM 486DX2-V366 GB |
| Family: | x86 |
| Freqence: | 66 Mhz |
| Bus: | 33 Mhz |
| Package: | 168 pin CPGA |
| Comment: | voltage: 3.45V±5% |
| Name: | IBM 486DX2-2V266 GB |
| Family: | x86 |
| Freqence: | 66 Mhz |
| Bus: | 33 Mhz |
| Package: | 168 pin CPGA |
| Comment: | remarked from 486 DX2 80Mhz, voltage: 3.3V±5% |
| Name: | IBM Blue Lightning 486DX2-V266 GA |
| Family: | x86 |
| Freqence: | 66 Mhz |
| Bus: | 33 Mhz |
| Package: | 168 pin CPGA |
| Comment: | voltage: 3.3V±5% |
| Name: | IBM 486DX4-V3100 QIC |
| Family: | x86 |
| Freqence: | 100 Mhz |
| Bus: | 33 Mhz |
| Package: | 208 pin PQFP on PGA adapter |
| Comment: | voltage: 3.45V±5%, PQFP with Intel compatible pinout |
| Name: | IBM 486DX4-V3100 GIC |
| Family: | x86 |
| Freqence: | 100 Mhz |
| Bus: | 33 Mhz |
| Package: | 168 pin CPGA |
| Comment: | voltage: 3.45V±5%, CPGA with Intel compatible pinout |