Acer Altos G530 Series - Manual (Page 146)

5 Troubleshooting 136
Warning! EHCI controller
disabled. It requires 64bit data
support in the BIOS. The EHCI controller is disabled because of
incorrect data structure. This condition
occurs if the USB host controller needs 64-
bit data structure while the USB is ported
with 32-bit data structure.
Miscellaneous BIOS messages
Keyboard Error Error in the keyboard connection. Make
sure keyboard is connected properly.
Keyboard/Interface Error Keyboard interface test failed.
PS2 Keyboard not found PS2 keyboard was not detected.
PS2 Mouse not found PS2 mouse was not detected.
Unlock Keyboard PS2 keyboard is locked. To continue BIOS
POST, unlock the keyboard.
System Halted Reset to reboot the system.
Not enough space in Runtime
area!!. SMBIOS data will not be
available. The size of the SMBIOS data exceeds the
available SMBIOS runtime storage size.
Error message Description