Thermal Sensor - Compaq Armada 1500c White Paper

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NTELLIGENT ANAGEABILITY FOR
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In addition to these proactive alert mechanisms, the SMART hard drive is polled during each boot
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sequence. A warning is displayed if a problem is detected. Also, the end-user or visiting PC
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technician can check the health of the SMART hard drive through Compaq Diagnostics for
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Windows (Compaq Insight Personal Edition). Each time this application is started, the hard drive
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is polled and the status is reported through the Health Screen.
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Local Proactive Backup
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Proactive Backup functionality initiates an automatic backup of the Armada PC SMART hard
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drive (both SCSI and IDE) when an imminent failure is predicted. As part of the Management
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Solutions Partners Program, Cheyenne developed its Backup software (formerly ArcSolo) to
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monitor the Armada PC for SMART alert Windows messages and to automatically backup the
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hard drive data to a local device when an alert message is detected. When not connected to the
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network the Backup software running on the Armada PC can be configured to automatically
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. . backup data to any local device such as a second hard drive, floppy or connected tape drive.
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Similarly, Seagate developed a SMART Client for its Backup Exec software to perform this same
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capability. In either case, the Insight Management Agent acts as a catalyst for Proactive Backup,
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redirecting the hard drive alert to a Windows message which can be detected by backup agent
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software running on the Armada PC. Local Proactive Backup solutions further prevent data loss
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and end-user down time due to a failing hard drive.
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Remote Proactive Backup
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Similar to the Local Proactive Backup capabilities, Remote Proactive Backup capabilities initiate
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an automatic backup of the Armada PC SMART hard drive when an imminent failure is predicted.
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But Remote Proactive Backup will automatically backup the hard drive data over the network to a
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network-based device when a SMART alert is detected. Seagate Backup Exec and Cheyenne
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ArcServe detect the alert situation and perform the backup.
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Thermal Sensor

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All Armada portable PCs have a thermal sensor that monitors the temperature within the chassis.
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The Armada PC can experience three operational states related to temperature conditions: normal
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operation under normal temperature ranges, alerted operation when abnormally high temperatures
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are detected, and shutdown because of excessive temperatures. While the last state will
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. . automatically shut down the PC without warning before hardware component damage occurs, the
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second state will display warnings so that appropriate action can be taken for a smoother system
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shutdown. The Armada portable PC will also automatically try to lower the internal temperature
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by increasing the fan speed, throttling down processor performance or other measures.
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. . Local and Remote Management – Thermal Sensor
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When abnormally high temperatures are detected in an Armada portable PC, The Insight
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Management Agent issues a Local Alert to the end-user – even when on the road -- similar to
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Figure 4. In addition, when connected to the network, the PC administrator is notified by an alert
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message in Compaq Insight Manager similar to Figure 5. Once the administrator receives this
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alert, Insight Manager can be used to view more detailed information by pressing the "System
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Board" shown in Figure 3. In this case, the temperature condition will be "degraded" and the
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. . thermometer will be yellow indicating a critical status.
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