HP Workstation x4000 hp workstation x4000 - Technical Reference manual - Windo - Page 72
Hardware Monitoring, Built-in Self Test (BIST), Sensor Scan
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Hardware Management (Monitoring and Reporting) Hardware Monitoring Hardware Monitoring Built-in Self Test (BIST) Zircon Lite does a BIST after resetting and displays the result on the Diag LEDs (see "Understanding the Diag LEDs" on page 212) if an error occurs. The following items are checked: • Accessibility of SEL device • Accessibility of FRU device • Accessibility of SDR Repository (read only) • Viability of Hardware Management Controller (HMC) firmware (firmware corrupt) • HMC hardware problem (general HMC failure) Sensor Scan Voltages, temperatures, fan tachometers, processor-related items, and chassis intrusion are scanned. Table 5-1 Voltages Pin 10 of Winbond W83782D is be used as a 2.5 V reference. This voltage is used to calibrate all of the voltage readings in Table 5-1. Voltage Scan Sensor Sensor Signal Approx. Mid # ID Lower Limit Approx. Zircon Winbond Description Upper Pin Limit Pin 20h +12VIO +12VIO 10.7V 12V 13.2V 9 - 12V Supply for non-VRM 21h +3.3VSB 3.3VSB 3.05V 3.3V 3.55V 35 3.3V Standby 22h +2.5V 2.5V 2.3V 2.5V 2.7V 7 - 2.5V RDRAM Supply 72 Chapter 5
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