Database of MP tables:

1. AMI Titan II

2. Asus P54NP4
3. ASUS PCI/I-P54NP4D
4. Asus P55P2T4D
5. Asus P/I-P65UP5/C-P6ND, BIOS set to MP ver1.1
6. Asus P/I-P65UP5/C-P6ND, BIOS set to MP ver1.4

7. Dell Optiplex GXPro

8. Gigabyte GA586DX Dual Pentiums
9. Gigabyte GA586DX, 3c509
10. Gigabyte 686DX Dual Pentium Pros

11. HP netserver 5/133 LS4(Intel XXPRESS)

12. IBM 704 system (Intel Alder)

13. Intel PR440FX Dual Pentium Pros
14. Intel Alder w/4 150MHz Pentium Pros

15. Intergraph TD4 Dual Pentium

16. Shuttle HOT-613

17. Supermicro P6DNE

18. Tyan Tempest II
19. Tyan Tomcat II
20. Tyan Tomcat III (S1563D)
21. Tyan Titan Pro

    
    Some new entries, unsorted:

22. ???
23. Tyan 1653D
24. AMI Merlin DP 200Mhz Pentium Pro

    
    The failing 3940 setups:

25. Tyan Tomcat III
26. ASUS P/I-P65UP5 w/ C-P6ND cpu card, 2x200
    The above with MP spec v1.4 enabled, APIC_IO works:
27. ASUS P/I-P65UP5 w/ C-P6ND cpu card, 2x200

    
    For comparison of 1.1 vs. 1.4 and 1 IO APIC vs. 2 IO APICs:

28. HP Netserver 5/133 LS4, MP spec. version 1.1, 1 IO APIC enabled
29. HP Netserver 5/133 LS4, MP spec. version 1.4, 1 IO APIC enabled
30. HP Netserver 5/133 LS4, MP spec. version 1.4, 2 IO APICs enabled

31. ???
32. P6/200 Dual board. (I am not sure of the board's maker)

MP table tools: