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Motherboards - GA-8S648FX-775 (6.78 mb)

Different RAID levels represent different performance levels, security levels and implementation costs. The RAID levels which the SiS® 964 chipset supports are RAID 0 and RAID 1. RAID 0 (Striping) RAID 0 reads and writes sectors of data interleaved between multiple drives. If any disk member fails, it affects the entire array. The disk array data capacity is equal to the number of drive members times the capacity of the smallest member. The striping block size can be set from 16KB to 256KB. RAID 0 does not support fault tolerance. RAID 1 (Mirroring) RAID 1 writes duplicate data onto a pair of drives and reads both sets of data in parallel. If one of the mirrored drives suffers a mechanical failure or does not respond, the remaining drive will continue to function. Due to redundancy, the drive capacity of the array is the capacity of the smallest drive. Under a RAID 1 setup, an extra drive called the spare drive can be attached. Such a drive will be activated to replace a failed drive that is part of a mirrored array. Due to the fault tolerance, if any RAID 1 drive fails, data access will not be affected as long as there are other working drives in the array. -61 -Appendix English Please follow the steps below to construct a complete RAID array: 1) Have ready your hard drives for RAID construction. Note: To achieve best performance, it is recommended that the hard drives used are of similar make and storage capacity. 2) Please attach the hard drive connectors to their appropriate location on the motherboard ie. IDE, SCSI, or SATA. 3) Enter the motherboard BIOS and locate RAID setup (Please refer to the section on Integrated Peripherals). 4) Enter RAID setup in the BIOS and select the RAID type (For instance, press Ctrl-S to enter SiS RAID BIOS). 5) Complete driver installation. 6) Complete RAID utility installation. More information is provided on the steps below. Configuring the SiS RAID BIOS The SiS RAID BIOS Setting Utility lets you choose the RAID array type and which hard drives you want to make part of the array. Entering the RAID BIOS Setup After rebooting your computer, wait until you see the RAID software prompting you to press Ctrl-S (Figure 1). The RAID prompt appears as part of the system POST and boot process prior to loading the OS. You have a few seconds to press Ctrl-S before the window disappears. Silicon Integrated Systems Corp. RAID BIOS Setting Utility v1.05_964 (c) 2003-2005 Silicon Integrated Systems Corp. All Rights Reserved. Press to enter Setup Menu or to skip waiting. Primary Master: ST3120026AS 111GB UDMA6 Secondary Master: ST3120026AS 111GB UDMA6 Figure 1 Press Ctrl-S. The SiS RAID BIOS Setting Utility - Disk Status window appears (refer to Figure 2). To create RAID, press to enter the RAID Setup utility. SiS RAID BIOS Setting Utility Disk Status * Current Created Raid * [R] : Enter Raid setup utility [Q] : Exit current menu Location Model Capacity Disk 1 ST3120026AS Disk 2 ST3120026AS Mode 111GB 111GB RAID Type UDMA 6 UDMA 6 Single Single Figure 2 GA-8S648FX-775(-C) Motherboard - 62 Creating RAID Volume Step 1: In the RAID Setup window, press to create RAID volume (Figure 3). SiS RAID BIOS Setting Utility English RAID Setup * Current Created Raid * Press [A] key to create RAID [Q] : Exit current menu Location Model Capacity Mode RAID Type Disk 1 ST3120026AS 111GB UDMA 6 Single Disk 2 ST3120026AS 111GB UDMA 6 Single Figure 3 Step 2: Then, use number keys 1~3 to select a RAID type: (1)JBOD, (2)RAID 0, or (3)RAID 1 and then press (Figure 4). In the following procedure, we'll create RAID 0 as an example. SiS RAID BIOS Setting Utility RAID Setup * Current Created Raid * RAID Type : <1> JBOD <2> RAID 0 <3> RAID 1 : [Q] : Exit current menu Location Model Capacity Mode RAID Type Disk 1 ST3120026AS 111GB UDMA 6 Single Disk 2 ST3120026AS 111GB UDMA 6 Single Figure 4 -63 -Appendix English Step 3: If RAID 0 is selected, you'll have to decide whether you want the RAID array to be created automatically or manually (Figure 5). Use <1> or <2> key to select. (We do not suggest that you select <2> Manual Create unless you know well how to set every required item, like block size.) SiS RAID BIOS Setting Utility RAID Setup * Current Created Raid * RAID 0 <1> Auto Create <2> Manual Create : 1 [Q] : Exit current menu Location Model Capacity Mode RAID Type Disk 1 ST3120026AS 111GB UDMA 6 Single Disk 2 ST3120026AS 111GB UDMA 6 Single Figure 5 Step 4: If you wish to proceed to map and stripe all current data and future data to the RAID disks, press . Or press to perform striping on future data only. Then press (Figure 6). SiS RAID BIOS Setting Utility RAID Setup * Current Created Raid * RAID 0 Split the SOURCE (Disk 1) data to RAID disks? N [Q] : Exit current menu Location Model Capacity Mode RAID Type Disk 1 ST3120026AS 111GB UDMA 6 RAID0 Disk 2 ST3120026AS 111GB UDMA 6 RAID0 Figure 6 GA-8S648FX-775(-C) Motherboard - 64 After the completion, you will see th...

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