What this code is?

Juho Sulka

Honorable
Mar 26, 2013
11
0
10,560
Hi,
I trying fix broken laptop. I used Mini-PCI-e POST debug card and i got code 0U from it. What it means? Laptop uses Phoenix bios. And laptop model is Fujitsu Siemens Amilo PA 2548. What code 0U means?