[openfirmware] Trap Question about booting

[Jean-François Bachelet (Voxel)]

Hello ^^)

here is the problem : I have an openfirmware machine with enormous boot 
disks, 3 to 8 TB big disks.

even the smallest 3 TB disk have 20 bootable partitions on it, of 
various filesystems types.

problem is that I can't boot from it  as the boot part recog fail at the 
13th partition and doesn't go further and return to of shell.

an idea why this happens ?

is it a limitation of openfirmware ?

is there a solution for this ?

Thanks by advance,

Jeff