Acer Network Device Altos R520 User Manual
Page 114

4 BIOS setup
104
AHCI Mode
Enables or disables access to all six SATA 
connectors via the AHCI (Advanced Host 
Controller Interface) Option ROM. AHCI 
is an interface specification that allows 
the storage driver to enable advanced 
SATA features such as Native Command 
Queuing and hot plug.
Note: Requires an AHCI aware OS.
Disabled
Enabled
Configure SATA 
as RAID
Enables or disables the software RAID 
technology Option ROM within the 
ESB2-E controller.
Disabled
Enabled
Primary IDE 
Master
Indicates the controller that is set as 
primary master. 
Primary IDE 
Slave
Indicates the controller that is set as 
primary slave. 
SATA Port 
0, 1, 2, 3
Indicates the SATA HDD connected to 
the SATA connector. 
Parameter
Description
Option
