MicroNet Technology RAIDBank4 Host Channel NCQ Setting, HDD Read Ahead Cache, Reset Controller

3-RAID Control-LCD

5.7 Host Channel NCQ Setting

The RAIDBank4 supports Native Command Queuing (NCQ) over the eSATA host connection. The NCQ algorithms allow I/O operations to be performed out of order to optimize performance. Since different host bus adapters have some compatibility differences in NCQ implementation, The default setting on this option is Disable for better compatibility. To enable NCQ, choose the option that matches your eSATA host bus adapter:

•ESB2/MACPro/Siliconlimage: Intel ESB2, MACPro, MicroNet, and Silicon Image based adapters

•ICH: Intel ICH series based adapters

•Marvell6145: Marvell 6145 based adapters

•nVidia: Nvidia nForce based adapters

5.8 HDD Read Ahead Cache

Enabled by default. Please do not change this setting unless instructed by MicroNet’s Technical Support.

5.9 Staggered HDD Spinup control

The RAIDBank4 employs a staggered disk mechanism startup sequence to minimize power supply strain. Please do not change this setting unless instructed by MicroNet’s Technical Support.

5.10 HDD Idle Spindown Control

The RAIDBank4 can automatically spin down disks that haven’t been accessed for a certain amount of time to reduce power consumption. This value is used to determine idle time before spinning down the disk(s).

5.11 Empty tray LED Control

(ON or OFF) If this option is selected, the disk error LED will light on a slot without a disk.

5.12 HDD SMART Status Polling

The RAIDBank4 reads and reports the SMART (Self-Monitoring, Analysis, and Reporting Technology) status of each disk drive mechanism. This option is enabled by default, and should not be disabled unless instructed by MicroNet’s Technical Support.

5.13 Disk Capacity Truncation Mode

Disk Truncation is used to decrease disk usable space for compatibility purposes. Please do not change this setting unless instructed by MicroNet’s Technical Support.

5.14 Serial Port Configuration

The RAIDBank4 has provisions for an RS232 host management connection. In order to use the RS232, a special cable has to be used (not included)- consult your authorized Micronet reseller for more information. To set or change the RAIDBank4 communications port configuration, Scroll to the “Terminal Port Configuration” selection and press ENT. The communications port configuration defaults are 115200 Baud., 1 Stop bit operation. The baud rate (1200-115200) and stop bits (1,2) are user selectable. Handshaking and parity are fixed at none.

5.15 Reset Controller

To reset the RAIDBank4, select “Reset Controller” and then press ENT. Press ENT at the confirmation screen to reset the controller.

!IMPORTANT: Controller Reset can only be performed if no host or drive activity is present.

RAIDBank4 Owner’s Manual 26