Asus Z8NA-D6 - Manual (Page 78)

4-16 Chapter 4: BIOS setup
BIOS SETUP UTILITY
Main
CPU1 Memory Configuration
Speed DDR3 1066
DIMM_A1 1024 MB, 1R, 1066, 0.254ºC/0.00ºF
DIMM_B1 N/A
DIMM_C1 N/A
CPU1/2 Memory Configuration
Displays the auto-detected memory specification.