Ideneb wont boot after install

[ism@il]

hey everybody first sorry for my english

my probleme is with my pc and ideneb 10.5.5 i've change my motherboard juste to see the mac os x leopard work on my pc cuz i hade an via chipset so that the hdd sata doen't work with

ok i've bring an sis chipset i've unstalled the leopard in the d partition cuz i've xp on the c

but after the installation the ideneb wont boot

first i installed every thing in the custome choices so that it gave me the choice to choose what i want to boot mac or xp

if i choose mac the pc reboot without giving errors

i reinstalled the ideneb with less choisses in the costume choices and now it doesn't give me the choice of boot after the installatioin complete and pc reboot the xp boot alone

 

my hardware is :

- procesor e2180 2.0 ghz dual core

- motherboard : ecs elite group 671t-m3 with sis chipset

- graphic card : nvidia geforce 7600gs 512 mb

- hitachi hdd : 160 go sata

 

and thx a lot for the people who wanna help me

 

this is the only place that i hope to have answers and replys and help plz don't dispoint me

[ism@il]

no one has the answer or an advise ????

[ism@il]

éoooo is there any body here ?

[ism@il]

ok i see that nobody knew howto resolve my probleme so thx anyway