Acer Aspire M5620 Aspire M5620 Service Guide - Page 42

The following table describes the parameters found in this menu. Parameter Description Options IDE The four IDE PIO fields let you set a PIO mode Primary/Seconda (0-4) for each of the four IDE devices that the ry Master/Slave onboard IDE interface supports. Modes 0 PIO through 4 provide increased performance. In Auto mode, the system automatically determines the best mode for each device. On-Chip IDE The Chipset contains a PCI IDE interface with [Enabled], First/Second support for two IDE channels. Select Enabled to [Disabled] Channel activate the first and/or second IDE interface. Select Disabled to deactivate an interface, if you install a primary and/or secondary add-in IDE interface. IDE UDMA (Ultra DMA) is a DMA data transfer Primary/Seconda protocol that utilized ATA transfer protocol that ry Master/Slave utilizes ATA commands and the ATA bus to UDMA allow DMA commands to transfer data ata maximum burst rate of 33 MB/s. When you select Auto in the four IDE UDMA fields (for each of up to four IDE devices that the internal PCI IDE interface supports), the system automatically determines the optimal data transfer rate for each IDE device. IDE DMA This category allows you to enable or disable [Enabled], Transfer Access DMA transfer access of IDE device (or IDE [Disabled] HDD) SATA 1/2 Enable/Disable Serial-ATA 1 or Serial-ATA-2. SATA 1 control port 1 and 3, SATA 2 control port 2 and 4. IDE Prefetch The onboard IDE drive interfaces supports IDE Mode prefetching, for faster drive accesses. If you install a primary and/or secondary add-in IDE interface, set this field to Disabled if the interface does not support prefetching. 36