Matrox Triple Head not recognized!!

[samsc]

one of these displays is at 60hz, the other at 75Hz - and this is at 1024x768x 3
this causes problems-

and total confusion -

6 x 1280x1024

Hardware Overview:
Model Name: Mac Pro
Model Identifier: MacPro3,1
Processor Name: Quad-Core Intel Xeon
Processor Speed: 3 GHz
Number Of Processors: 2
Total Number Of Cores: 8
L2 Cache (per processor): 12 MB
Memory: 6 GB
Bus Speed: 1.6 GHz
Boot ROM Version: MP31.006C.B05
SMC Version: 1.25f4
Serial Number:


Graphics/Displays:
NVIDIA GeForce 8800 GT:
Chipset Model: NVIDIA GeForce 8800 GT
Type: Display
Bus: PCIe
Slot: Slot-1
PCIe Lane Width: x16
VRAM (Total): 512 MB
Vendor: NVIDIA (0x10de)
Device ID: 0x0602
Revision ID: 0x00a2
ROM Revision: 3233
Displays:
Display:
Resolution: 3072 x 768 @ 75 Hz
Depth: 32-bit Color
Core Image: Hardware Accelerated
Main Display: Yes
Mirror: Off
Online: Yes
Quartz Extreme: Supported
Rotation: Supported
Display:
Resolution: 3072 x 768 @ 60 Hz
Depth: 32-bit Color
Core Image: Hardware Accelerated
Mirror: Off
Online: Yes
Quartz Extreme: Supported
Rotation: Supported

[emilianomorgia]

one of these displays is at 60hz, the other at 75Hz - and this is at 1024x768x 3
this causes problems-

and total confusion -

Wait that was the setup I was using , But that machine allow to use 6 x 1280x1024

[samsc]

Wait that was the setup I was using , But that machine allow to use 6 x 1280x1024

your information here isnt showing this.