When trying to install OSx86 10.5 (Leopard)

[networx2002]

I have a dell xps m1330 and i keep getting this error when i try and boot OSx86 10.5 (Leopard)

 

XPS M1330 Laptop: Intel Core 2 Duo Processor T8300 (2.4GHz/800Mhz FSB/3MB cache)

 

Certified Refurbished

 

Shipping Material

 

Resource DVD

 

6 Cell Primary Battery

 

MEDIADIRECT 3.3 Software

 

MEDIADIRECT 3.3 Software

 

Genuine Windows Vista Ultimate

 

Operating System Label

 

Documentation

 

Service Software

 

Dell 1505 Wireless-N

 

Shipping

 

Sound Blaster Audigy ADVANCED HD Audio Software Edition

 

3 GB DDR2 SDRAM 667MHz (2 DIMMs)

 

Software

 

8X DVD +/- RW w/dbl layer write capability

 

65W Adaptor, Additional

 

Software CD

 

Dell Solution Center Software

 

13.3 inch WXGA Slim and Light LED Display

 

128MB NVIDIA GeForce 8400M GS

 

Processor Label

 

Dell Travel Remote Control

 

Operating System CD

 

90W AC Adapter

 

Bluetooth Wireless Card 355

 

Integrated 2.0 Mega Pixel Web Camera

 

Notebook Keyboard

 

Microsoft Works 9.0

 

MEDIA DIRECT 3.5

 

Reference Guide

 

ISP Search Assist

 

320 GB SATA Hard Drive (5400 RPM)

 

Fingerprint Reader Touchpad

 

Image Restore Software

 

Tuxedo Black

 

Service Software