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Torridon HS Lite Drive Control Module - Technical Manual
Introduction
The Torridon HS Lite Drive Control Module allows remote switching of the SAS data, power supply
rails and drive presence signal to a SAS or SATA Disk Drive for test automation or fault injection
purposes.
These features allow the user to simulate a number of typical events in a storage system, such as hot
insertion and removal of a disk drive and drive failure.
Each set of Data, Power and Pre-Charge Pins are individually switched, allowing complete control
over the power up sequence of a drive.
The Lite card supports three vendor specific drive presence circuits, please see the Drive Presence
section later in this manual for a description. Quarch modules may be customized to support other
proprietary signals on request.
Revision 1.0
©Quarch Technology
Page 4 of 28
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