Acer Veriton 7600G Veriton 3600G/5600G/7600G Service Guide - Page 54

Integrated Peripherals The following table describes each Integrated Peripherals parameter. Settings in boldface are the default and suggested settings. OnChip IDE Device Press [Enter] to enter the sub-menu and the following screen appears: Parameter IDE HDD Block Mode IDE DMA Transfer Access On-Chip Primary PCI IDE On-Chip Secondary PCI IDE IDE Primary Master PIO IDE Primary Slave PIO IDE Secondary Master PIO IDE Secondary Slave PIO 45 Description Options Block mode is also called block transfer, multiple commands, or multiple sector read/write. If your IDE hard drive supports block mode (most new drives do), select [Enabled] for automatic detection of the optimal number of block read/ write per sector the drive can support. Enabled Disabled This item allows you to enabled the transfer access of the IDE DMA. Enabled Disabled The integrated peripherals controller contains an IDE interface with support for two IDE channels. Choose Enabled to activate each channel separately. Enabled Disabled The four IDE PIO (Programmed Input/Output) fields let you set a PIO mode (0-4) for each of the four IDE devices that the onboard IDE interface supports. Modes 0 through 4 provide successively increased performance. For example, mode 0 data transfer rate is 3.3MB/s, mode 1 is 5.2 MB/s, mode 2 is 8.3MB/s, mode 3 is 11.1 MB/s and mode 4 is 16.6MB/s. In Auto mode, the system automatically determines the best mode for each device. Auto, mode 1, mode 2, mode 3 and mode 4 Chapter 2