1—Overview and Specifications
1-11
Themis Computer
1.4
Special Features
1.4.1
Recovery from AC Power Loss
BIOS provides a setting for you to determine how the system will respond when AC
power is lost and then restored to the system. You can choose for the system to
remain powered off (in which case you must press the power switch to turn it back
on) or for it to automatically return to a power- on state. See the Advanced BIOS
Setup section to change this setting. The default setting is
Last State
.
1.5
PC Health Monitoring
This section describes the PC health monitoring features of the RES-22XR3 mother-
boards. All have an onboard System Hardware Monitor chip that supports PC health
monitoring. An onboard voltage monitor will scan these onboard voltages continu-
ously:
CPU1 Vcore, CPU2 Vcore, CPU1 Vtt, CPU2 Vtt, CPU1 DIMM, CPU2 DIMM,
1.1V, 1.5V, 1.8V, 3.3V, 12V, 5V, 3.3 Vsb, and VBAT.
Once a voltage becomes unstable, a warning is given or an error message is sent to
the screen. Users can adjust the voltage thresholds to define the sensitivity of the
voltage monitor. All thresholds (high and low for voltage) can be set by using Super-
Micro’s SuperDoctor system monitoring software under the section “Monitoring
Item”. Visit
http://www.supermicro.com/products/accessories/software/SuperDocto-
for more information on SuperDoctor
1.5.1
Fan Status Monitor with Firmware Control
The PC health monitor can check the RPM status of the cooling fans. The onboard
chassis fans are controlled by Thermal Management in the BIOS (under Hardware
Monitoring in the Advanced section). Fan status can also be monitored by using
SuperMicro’s SuperDoctor software.
1.5.2
Environmental Temperature Control
The thermal control sensor monitors the CPU temperature in real time and will turn
on the thermal control fan whenever the CPU temperature exceeds a user-defined
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