User guide

Getting Started
21
2.5.2 Disk Drive Auto/Manual Start Switch
DIL switch 1 is provided to disable the auto spin start function.
Caution If this switch is ON the Enclosure services will not attempt to auto start any of the drives in the enclosure.
To set the enclosure to automatically start all devices at Power On, set DIL Switch 1 to the OFF (Up) position.
To enable Host motor start only: Set Switch 1 to the ON (Down) position.
2.5.3 SES Device Slot Address Reporting
Each device bay reports its address via SES. Two alternative address schemes are provided for, selected by using
DIL Switch 3 on the ESI/Ops panel.
To select slot reporting using device AL_PA, set Switch 3 to the OFF (up) position.
Note: This is the correct setting for use with Mylex RAID solutions (e.g. Galaxy enclosures).
To select slot reporting using Select ID (SEL_ID), set Switch 3 to the ON (down) position.
Other switches on the ESI/OPS2 module are reserved and should be set to the OFF (up) position.
Figure 2–7 Disk Drive Start Switch
Figure 2–8 Installing the ESI/Ops Panel