ULSI - FPU for 386DLC
| Name: | ULSI US83C87-33 |
| Family: | x86 |
| Freqence: | 33 Mhz |
| Bus: | 33 Mhz |
| Made: | 16, 1991 |
| Package: | 68 pin CPGA |
| Comment: | gold back side |
| Name: | ULSI Advanced Math Co. DX/DLC 40 |
| Family: | x86 |
| Freqence: | 40 Mhz |
| Bus: | 40 Mhz |
| Made: | 6, 1994 |
| Package: | 68 pin CPGA |
| Comment: | different marking (logo 40), black back side |
| Name: | ULSI Advanced Math Co. DX/DLC-40 |
| Family: | x86 |
| Freqence: | 40 Mhz |
| Bus: | 40 Mhz |
| Made: | 7, 1995 |
| Package: | 68 pin CPGA |
| Comment: | black back side |