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Setting non-AHCI mode (i.e. IDE or Combined mode) in the BIOS will allow the user to boot into Windows, and thereby the required registry change can be performed. Consequently, the user then has the option of continuing to use the system in Combined mode or switching to AHCI mode. [8]
The first mode is the Intel driver SATA normal and the latter mode is a fake RAID. [1] Up to version 4 it is included on Intel Application Accelerator RAID Edition , [ 2 ] between versions 5 and 8.9 it is included on Intel Matrix Storage Manager ( IMSM ), since version 9 it is included on Intel Rapid Storage Technology ( IRST ) preferring the ...
It is available only when the (integrated) disk controller is configured in RAID mode (but not AHCI or IDE modes) by implementing a style of RAID 0 striping. The user can select write-back (so-called maximized mode) or write-through (so-called enhanced mode) caching strategy. The maximum utilizable cache size on the SSD is 64 GB.
For a short time in March 2010, users were led to believe that the Intel Rapid Storage Technology (RST) 9.6 (and later) drivers in Windows 7 supported TRIM on RAID volumes, but Intel later clarified that TRIM was supported for the BIOS settings of AHCI mode and RAID mode, but not if the drive was part of a RAID volume. [56]
Higher end version of 915. Supports another PAT-like mode and ECC memory, and exclusively uses DDR-II RAM. Sub-versions: 925XE - Supports a 1066 MT/s bus. 945P (Lakeport) Update on 915P, with support for Serial ATA II, RAID mode 5, an improved memory controller with support for DDR-II at 667 MHz and additional PCI Express lanes.
Around 1997, with the introduction of ATAPI-4 (and thus Ultra-DMA-Mode, which enabled fast data transfers with less CPU utilization) the first ATA RAID controllers were introduced as PCI expansion cards. Those RAID systems made their way to the consumer market, for users wanting the fault-tolerance of RAID without investing in expensive SCSI ...
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[4] [5] Linux kernels support AHCI natively since version 2.6.19, and FreeBSD fully supports AHCI since version 8.0. Windows Vista and Windows 7 also natively support AHCI, but their AHCI support (via the msahci service) must be manually enabled via registry editing if controller support was not present during their initial install.