System information

Using the RAID GUI
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This option specifies the transfer speed of a hard disk. When Auto is specified, the transfer speed is determined
by the controller according to the best transfer mode supported by the installed hard disks.The option is available
only for RAID controller with SATA disk interface.
Bad Block Alert: On / Off (default)
This option enables or disables event alerts for bad block reallocation. After selecting On, four blank fields are
displayed for you to specify the percentages of reserved bad block reallocation space. The default values are 20,
40, 60, and 80.
Note
1. Latter percentages must be larger than the former percentages.
2. Percentages must be integers between 1 and 100.
Bad Block Clone: On / Off (default)
This option enables or disables disk cloning for bad block reallocation. After selecting On, a blank field is
displayed for you to specify the percentage of reserved bad block reallocation space. When the specified space is
reached, disk cloning will be started. The default value is 50.
Note
1. Percentages must be integers between 1 and 100.
2. Cloning can only be started when there are local or global spare disks.
Bad Block Retry: On (default) / Off
Select this option to enable or disable retrying when bad block reallocation fails.
IO Queue: On (default) / Off
Select this option to enable or disable Negative Command Queue (NCQ), which enhances hard disk read
performance.The option is available only for RAID controller with SATA disk interface.
Disk Standby Mode: On / Off (default)
Select this option to enable or disable disk standby mode after a period of host inactivity.
Disk Access Delay Time (second): 15 (default)
Specify the delay time before the controller tries to access the hard disks after power-on. The range is between 15
and 75.
Delay Time When Boot-Up (second): 40 (default)
Specify the delay time before the controller automatically restarts. The range is between 20 and 80.
Caution
The boot-up delay time must be longer than the disk access delay time plus 5 seconds.
Figure 2-23 Specify the percentage for Bad Block Alert
Figure 2-24 Specify the percentage for Bad Block Clone