Acer Veriton S661 Aspire M5620 Service Guide - Page 43

Parameter Description Options IDE HDD Block Mode SATA PORT Speed Settings Block mode is also called block transfer, [Enabled], multiple commands, or multiple sectors [Disabled] 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. This category allows you to determine the [Auto], speed of SATA port. Integrated Peripherals-Onboard Device Setup 37