Asus M4A87TD EVO - Manual (Page 63)

Chapter 2: BIOS setup 2-17
2.6.2 Chipset
The Chipset menu allows you to change the advanced chipset settings. Select an item then
press <Enter> to display the submenu.
DRAM Controller configuration
Channel Interleaving [XOR of Address bit]
Configuration options: [Disabled] [Address bits 6] [Address bits 12]
[XOR of Address bits [20:16, 6]] [XOR of Address bits [20:16, 9]]
MemClk Tristate C3/ATLVID [Disabled]
Configuration options: [Disabled] [Enabled]
Memory Hole Remapping [Enabled]
Configuration options: [Disabled] [Enabled]
DCT Unganged Mode [Always]
Configuration options: [Auto] [Always]
Power Down Enable [Disabled]
Enables or disables the DDR power down mode.
Configuration options: [Disabled] [Enabled]
Power Down Mode [Channel]
This item appears only when you enable the previous item and allows you to set the DDR power
down mode. Configuration options: [Channel] [Chip Select]
ECC Configuration
ECC Mode [Disabled]
Disables or sets the DRAM ECC mode that allows the hardware to report and correct
memory errors.
[Disabled] Disables the DRAM ECC mode.
[Basic]
Set to [Basic] to adjust ECC mode automatically.
[Good] Set to [Good] to adjust ECC mode automatically.
[Super] Set to [Super] to adjust the DRAM BG Scrub sub-item manually.
[Max] Set to [Max] to adjust ECC mode automatically.
[User] Set to [User] to adjust all the subitems manually.
Primary Display Adapter [PCI-E]
Allows you to select the graphics controller to use as the primary boot device.
Configuration options: [PCI-E] [PCI]
2.6.3 Onboard Devices Configuration
HD Audio Azalia Device [Enabled]
Allows you to enable or disable the HD Audio controller.
Configuration options: [Disabled] [Enabled]
The following item appear only when you set the HD Audio Azalia Device item to [Enabled].