If I am correct, you have to partition your HD and install SL there and modify it to be able to boot with correct kernel (a modified one of course, ie Vanilla)

http://www.teknojunkie.com/2009/08/g...2-coming-soon/

hope this helps you out.

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HP Pavilion dv6609wm | AMD 64 x2 TL-55 1.8Ghz | nForce/MCP67 Chipset | Nvidia 7150m/630m 128mb Video | 160Gb HDD SATA | DVD+-DLRW Slimline PATA | Broadcom 4311 802.11 g/b Wifi | NForce Ethernet | OS X 10.5.7