canot install in system Intel RAID UB12.04-3lts fail to charge grupsigned

[edilbert]

intel DP55KG raid system in bios, canot install group signed in this computer

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ubiquity 2.10.26
ProcVersionSignature: Ubuntu 3.8.0-29.42~precise1-generic 3.8.13.5
Uname: Linux 3.8.0-29-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: amd64
CasperVersion: 1.315.1
Date: Mon Sep 2 06:39:39 2013
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash --
LiveMediaBuild: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.1)
MarkForUpload: True
ProcEnviron:
 LANGUAGE=es_VE.UTF-8
 TERM=linux
 PATH=(custom, no user)
 LANG=es_VE.UTF-8
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)