Catia V5R18 – System Requirements

I am trying to setup Catia V5R18 on a machine with the following specs.:

Computer:
– Computer Type ACPI Multiprocessor x64-based PC
– Operating System Microsoft Windows XP Professional
– OS Service Pack Service Pack 2
– DirectX 4.09.00.0904 (DirectX 9.0c)

Motherboard:
– CPU Type DualCore Intel Core 2 Duo E8200, 2666 MHz (8 x 333) 6Mb L2 Cache
– Motherboard Name Asus P5KPL (3 PCI, 1 PCI-E x1, 1 PCI-E x16, 4 DDR2 DIMM, Audio, Gigabit LAN)
– Motherboard Chipset Intel Bearlake G31
– System Memory 2048 MB (DDR2-800 DDR2 SDRAM)
– DIMM1: Kingston KTC1G-UDIMM 1 GB DDR2-800 DDR2 SDRAM (5-5-5-18 @ 400 MHz) (4-4-4-12 @ 266 MHz) (3-3-3-9 @ 200 MHz)
– DIMM3: Kingston KTC1G-UDIMM 1 GB DDR2-800 DDR2 SDRAM (5-5-5-18 @ 400 MHz) (4-4-4-12 @ 266 MHz) (3-3-3-9 @ 200 MHz)
– BIOS Type AMI (02/29/08)
– Communication Port Communications Port (COM1)
– Communication Port ECP Printer Port (LPT1)

Display:
– Video Adapter ASUS NVIDIA GeForce 9400 GT Silent(512 MB DDR2)
3D Accelerator nVIDIA GeForce 9400 GT
– Monitor SAMSUNG SyncMaster 2243NW/2243NWX [NoDB] (HMEQ904751)

Multimedia:
– Audio Adapter Realtek ALC662 @ Intel 82801GB ICH7 – High Definition Audio Controller [A-1]

Storage:
– Disk Drive ST3500320AS (500 GB, 7200 RPM, SATA-II)
– Optical Drive ASUS DRW-20B1ST
– Optical Drive CLKDO QVS1I7S96F SCSI CdRom Device
– SMART Hard Disks Status OK

Input:
– Keyboard HID Keyboard Device
– Keyboard Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
– Mouse HID-compliant mouse
– Mouse Wacom Mouse
– Network Adapter Atheros L1 Gigabit Ethernet 10/100/1000Base-T Controller.

The problem is that by 3D assembly model that I handled on a lower configuration machine, on witch I know why it worked better, the machine being a DELL Precision T3400 with Nvidia QuadroFX 570 with 256 MB RAM, having same 2Gb System RAM, same OS.

The problem is that rotating, panning, zooming on the first mentioned machine works very bad (hooking, hanging, very low frame rate). On the other side on the DELL station the things are working just fine.

Can some one tell me what can I do to improve the frame rate on the first NO NAME machine, maybe driver updates, hardware changes (other RAM modules, other Graphic Adapter), Catia display settings tweaks.