1990 PBA All-Filipino Conference
The 1990 Philippine Basketball Association All-Filipino Conference was the second conference of the 1990 PBA season. It started on June 10 and ended on September 4, 1990. The tournament is an All-Filipino format, which doesn't require an import or a pure-foreign player for each team.
Format
The following format will be observed for the duration of the conference:- The teams were divided into 2 groups.
- Formula Shell Zoom Masters
- Pepsi Hotshots
- Presto Tivolis
- San Miguel Beermen
- Teams in a group will play against each other twice and against teams in the other group once; 10 games per team; Teams are then seeded by basis on win-loss records. Ties are broken among point differentials of the tied teams. Standings will be determined in one league table; teams do not qualify by basis of groupings.
- The top five teams after the eliminations will advance to the semifinals.
- Semifinals will be two round robin affairs with the remaining five teams. Results from the eliminations will be carried over. A playoff incentive for a finals berth will be given to the team that will win at least five of their eight semifinal games.
- The top two teams will face each other in a best-of-seven championship series. The next two teams dispute the third-place trophy in a best of five playoff.
Elimination round
Team standings
| # | Team | W | L | PCT | GB |
| 1 | Presto Tivolis | 10 | 0 | 1.000 | –- |
| 2 | Purefoods Hotdogs | 7 | 3 | .700 | 3 |
| 3 | Añejo Rum 65ers | 7 | 3 | .700 | 3 |
| 4 | Alaska Air Force | 6 | 4 | .600 | 4 |
| 5 | San Miguel Beermen | 5 | 5 | .500 | 5 |
| 6 | Formula Shell Zoom Masters | 3 | 7 | .300 | 7 |
| 7 | Pepsi Hotshots | 1 | 9 | .100 | 9 |
| 8 | Pop Cola Sizzlers | 1 | 9 | .100 | 9 |