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Three or four RAID disk drives may be installed and configured with the Mylex RAID controller
software at the factory. These RAID disk drives are configured to appear as one logical drive in
Windows NT Disk Administrator. The logical drive has a 2 GB NTFS system disk partition. The
rest of the logical drive is formatted as one NTFS partition, for a total of two partitions.
The default configuration for factory-installed RAID disk drives is as follows:
♦
RAID level 5
♦
Write-through write policy
♦
Two disk drives spin up every twelve seconds
♦
Ultra SCSI enabled (40 MB transfer rate)
You can use the Mylex RAID configuration utility to manage the RAID disk drives. The following
figure shows the correlation between the disk drives (labeled), their slot location in the disk drive
bay (shaded areas), and how they are identified in Mylex BIOS and the Mylex RAID configuration
utility.
Slot 4
Mylex ID
Disk Label
ADP 0
Slot 0
Slot 1
Slot 3
Slot 2
SCSI ID 4
SCSI ID 2
SCSI ID 1
SCSI ID 0
7JW&KDQQHO1XPEHU
,'
ADP
0
CH
0
ID
0
ADP
0
CH
0
ID
1
ADP
0
CH
0
ID
2
ADP
0
CH
0
ID
4
NOTE SCSI ID 3 is for an optional SCSI Activity Fault-Tolerant Enclosure (SAF-TE) card.
This SCSI ID corresponds to Mylex ID 3. The following figure displays SCSI IDs and
Mylex IDs for the disk drives, but Mylex ID 3 is still shown for clarity since it appears
in the Mylex BIOS and Mylex utility display.
Changing Drive Letters
If you have more than one hard disk drive or CD-ROM drive, you may need to reassign system
drive letters.
To change drive letters:
1. Exit all applications currently running on your system.
2. From the Start menu, click Programs, Administrative Tools, and then Disk Administrator.
3. Select a hard disk drive or CD-ROM drive.