Acer Altos G530 Series - Manual (Page 102)

4 BIOS setup 92
Primary/Secondary/Third/Fourth IDE Master/Slave
These items let you select the IDE hard disk parameters that the system
supports.
Parameter Description Option
Device Type of IDE device.
Vendor Vendor of the selected IDE device.
Size Capacity of the selected IDE device.
LBA Mode LBA mode of the selected IDE device.
Block Mode Block mode of the selected IDE device.
PIO Mode PIO mode of the selected IDE device.
Async DMA Async DMA mode of the selected IDE
device.
Ultra DMA Ultra DMA mode of the selected IDE
device.