Problems whith ACPI in 5.1Release Installation

[Osmany Guirola Cruz]

 Hi 
  I am trying to install the 5.1Release and i am havin problems with ACPI
these is the message:

ACPI autoload failed - inappropiated file type or format
Fatal Trap 12 : page fault while in kernel mode
Fault virtual address = 0x240
Fault code = supervisor read, page not present
stack pointer =0x10:0xc0ae3cf4
frame pointer =0x10:0xc0ae3d38
code segment = base 0x0, limit 0x fffff, type 0x1b
             = DPL 0 , pres 1, def32 1,
processor eflags= interrupt enabled, resume, IOPL=0
trap number =12
panix: page fault
Uptime 1s

I try in the boot menu de 2 an 3 option(disabled ACPI) and i have tha same result 
What should i do.
 
I have a P4 1.5 Mhz 512MB of RAM , a Maxtor 40GB 4k040h2