I am not sure of the exact model.
VPR Matrix Model 2250
Intel® Pentium® 4 processor 2.2 GHz, with 400 MHz system bus
512 MB 266 MHz DDR SDRAM, 2 total DIMM slots upgradable to 1.0 GB
Western Digital 120.0 GB (7200 rpm) hard drive
16x maximum speed DVD-ROM drive (40x maximum speed CD-ROM)
32x12x40 CD-RW drive
nVidia GeForce4 MX-440 64 MB DDR graphics card
Sound Blaster Live! 5.1 audio card
10/100 integrated network interface card
V.92 high-speed modem
3 IEEE 1394 ports allow for digital video transfer in real time, plus 6 USB ports
Look at screenshot
I might be able to borrow legit install disks form my neighbor. I know it is OS X 10.5.x.
Would instalation work on my PC, if you need more information please ask and I will try to figure it out.
I have discovered that it is MMX, SSE, and SSE2
EDIT: I think it is the model located here
But it may be this one or this one or this one