Hi Richard could you be so kind help me with this problem???

i use this: 10.3.9 OS and 7.1 quick time pro in both POWER MAC G5

catalyst 3.3 vers. 3.3_g21_pro on POWER MAC G5 dual 2.0 gigahertz+ATI RADEON 9800 pro SE 256 Mb video card
RAM 2Gigabyte
and
catalyst 3.32 h_h24_pro
catalyst 4.05_m48UB_HD on POWER MAC G5 dual 2.7 gigahertzATI RADEON 9800 pro SE 256 Mb video card
RAM 1Gigabyte

into 2 different catalyst racks.

during playing video or library at 25.0 fps there is difficulty to have costant
frame rate,and when i use 2 or 3 file speed become 12-13 frame for second.

I know this is not software bug because same problem i have if start
directly file from quick time,the image go on step by step.
The same files i checked on similar MAC G5 2.0 gigahertz with
GEFORCE 550 and 64 Mb without problem.

I'm working with WHOLE HOG 3 and with time code i must have
sincronizzation from AUDIO and VIDEO, for this i need to have costant frame rate.
I checked with quicktime 7.10 normal and PRO.
Heart out i'm waiting advise from you.