Laptop Dsdt Errors Help!, Trying to fix acpi incombability with BIOS

I'm using openSuSE 10.3 on my Dell Vostro 1000 (laptop) and everything works but the brightness

After a lot of googling i found out about the DSDT and Microsoft problem, even though i get no error on dmesg... I thought: "I have nothing to lose, why not?" so now I'm stuck because I got 2 errors and 1 Warning, I already solved the warning thing but I can't get the errors solved:

diogo:~/dsdt # iasl -tc dsdt.dsl

Intel ACPI Component Architecture
ASL Optimizing Compiler version 20060912 [Sep 21 2007]
Copyright © 2000 - 2006 Intel Corporation
Supports ACPI Specification Revision 3.0a

dsdt.dsl 4106: If (LNot (\_OSI ("Windows 2006")))
Error 4011 - Internal compiler error ^ (null Op pointer)

dsdt.dsl 5588: Unload (PB5)
Error 4044 - Invalid type ^ ([Device|Reference] found, Unload operator requires [DdbHandle])

ASL Input: dsdt.dsl - 5614 lines, 206834 bytes, 2187 keywords
Compilation complete. 2 Errors, 0 Warnings, 0 Remarks, 885 Optimizations

the part of the line 4106 is:

If (LNot (\_OSI ("Windows 2006")))
{
PHSR (0x10, 0x00)
}

the part of the line 5588 is:

If (And (CTRL, 0x01))
{
Unload (PB5)
}

I also found out that PB5 is a Device