Acer G520 series manual Block Multi- Sector Trans- fer Mode, Selects DMA Direct Memory Access

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Parameter	Description	Option
LBA/Large	Selects the hard disk drive translation	Disabled
Mode	method. For drivers with more than 504	Auto
	MB, the LBA mode is necessary.

Block (Multi- Sector Trans- fer) Mode

Enhances disk performance depending on the hard disk in use.

If you set this parameter to Auto, BIOS setup automatically detects if the installed hard disk drive supports the Block Mode function. If supported, it allows data transfer in blocks (multiple sectors) at a rate of 256 bytes per cycle. If you set this parameter to Disabled, data transfer from and to the device occurs one sector at a time.

Disabled Auto

PIO Mode	When set to Auto, BIOS setup
	automatically detects if the installed hard
	disk supports the function. If supported,
	it allows for faster data recovery and
	read/write timing that reduces hard disk
	activity time. This results in better hard
	disk performance.

Auto 0 1 2 3 4

DMA Mode	Selects DMA (Direct Memory Access)
	mode. Options include:
	Auto: Auto detected
	SWDMAn: SingleWordDMAn
	MWDMAn: MultiWordDMAn
	UDMAn: UltraDMAn

Auto SWDMA0-0 SWDMA0-1 SWDMA0-2 MWDMA0-0 MWDMA0-1 MWDMA0-2 UWDMA0-0 UWDMA0-1 UWDMA0-2 UWDMA0-3 UWDMA0-4 UWDMA0-5