Can Mac Pro be upgraded

I have an older (original Intel model) Mac Pro and want to use it to run Ikarus Aerofly 5 sim, these are the minimum system requirements:



- Intel-based Apple Mac computer

- OSX 10.5 or 10.6

- 1 GB RAM

- 10 GB free hard disc space

- DVD-ROM drive

- OpenGL Version 2.1 compatible 3D-graphics card from NVDIA or ATI with 256MB RAM, at least as fast as NVIDIA 9400 or ATI Radeon HD 2400



Can my Mac Pro be upgraded? Below is how it's currently configured:





Model Name: Mac Pro

Model Identifier: MacPro1,1

Processor Name: Dual-Core Intel Xeon

Processor Speed: 2.66 GHz

Number Of Processors: 2

Total Number Of Cores: 4

L2 Cache (per processor): 4 MB

Memory: 2 GB

Bus Speed: 1.33 GHz

Boot ROM Version: MP11.005C.B08

SMC Version (system): 1.7f10



Hardware UUID: 00000000-0000-1000-8000-0017F202EB6C

NVIDIA GeForce 7300 GT:



Chipset Model: NVIDIA GeForce 7300 GT

Type: GPU

Bus: PCIe

Slot: Slot-1

PCIe Lane Width: x16

VRAM (Total): 256 MB

Vendor: NVIDIA (0x10de)

Device ID: 0x0393

Revision ID: 0x00a1

ROM Revision: 3008

Displays:

BenQ RL2455:

Resolution: 1920 x 1080 @ 60 Hz

Pixel Depth: 32-Bit Color (ARGB8888)



Main Display: Yes

Mirror: Off

Online: Yes

Rotation: Supported

Display Connector:

Status: No Display Connected

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