Asus P5M2-M User Manual - Page 81

The AHCI allows the onboard storage driver to enable advanced Serial ATA features that enhance storage performance on random workloads by allowing the drive to internally optimize the order of commands. The item Legacy IDE Channels appears only when you set the ATA/IDE Configuration to [Compatible]. If you want the Serial ATA hard disk drives to use the Advanced Host Controller Interface (AHCI), set this item to [AHCI]. For details on AHCI, go to: www.intel.com/support/chipsets/imst/sb/CS-012304.htm www.intel.com/support/chipsets/imst/sb/CS-012305.htm The SATA controller is set to Native mode when this item is set to [RAID] or [AHCI]. Legacy IDE Channels [SATA Pri, PATA Sec] Allows you to set Serial ATA, Parallel ATA, or both, to native mode. Configuration options: [SATA Only] [PATA Pri, SATA Sec] [SATA Pri, PATA Sec] [PATA Only] 4.3.5 Primary, Tertiary, Fourth IDE Master/Slave The BIOS automatically detects the connected IDE devices. There is a separate sub-menu for each IDE device. Select a device item, then press to display the IDE device information. Main BIOS SETUP UTILITY Primary IDE Master Device : Hard Disk Vendor : ST32122A Size : 2.1GB LBA Mode : Supported Block Mode : 16 Sectors PIO Mode : Supported Async DMA : MultiWord DMA-2 Ultra DMA : Ultra DMA-5 SMART Monitoring: Supported Select the type of device connected to the system. Type [Auto] LBA/Large Mode [Auto] Block(Multi-sector Transfer)M [Auto] PIO Mode [Auto] DMA Mode [Auto] SMART Monitoring [Auto] 32Bit Data Transfer [Enabled] Select Screen Select Item +- Change Option Tab Select field F1 General Help F10 Save and Exit ESC Exit v02.58 (C)Copyright 1985-2004, American Megatrends, Inc. The BIOS automatically detects the values opposite the dimmed items (Device, Vendor, Size, LBA Mode, Block Mode, PIO Mode, Async DMA, Ultra DMA, and SMART monitoring). These values are not user-configurable. These items show N/A if no IDE device is installed in the system. 4-14 Chapter 4: BIOS setup