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20 en | Appendix 1200 Series IP Video Storage System
DOC | V1 | 2010.08 Installation Manual Bosch Sicherheitssysteme GmbH
pre-defined overheat threshold, the CPU thermal trip feature will be activated and it will send
a signal to the buzzer and, at the same time, the CPU speed will be decreased.
A.4 Power Configuration Settings
This section describes the features of your motherboard that deal with power and power
settings.
Slow Blinking LED for Suspend-State Indicator
When the CPU goes into a suspend state, the chassis power LED will start blinking to indicate
that the CPU is in the suspend mode. When the user presses any key, the CPU will wake-up
and the LED indicator will automatically stop blinking and remain on.
BIOS Support for USB Keyboard
If the USB keyboard is the only keyboard in the system, it will function like a normal keyboard
during system boot-up.
Main Switch Override Mechanism
When an ATX power supply is used, the power button can function as a system suspend
button. When the user presses the power button, the system will enter a SoftOff state. The
monitor will be suspended and the hard drive will spin down. Pressing the power button
again to wake-up the whole system. During the SoftOff state, the ATX power supply provides
power the system to keep the required circuitry "alive". In case the system malfunctions and
you want to turn off the power, just press and hold the power button for 4 seconds. The
power will turn off and no power will be provided to the motherboard.
A.5 Power Supply
As with all computer products, a stable power source is necessary for proper and reliable
operation. It is even more important for processors that have high CPU clock rates of 1 GHz
and faster.
The X8SIL/X8SIL-F/X8SIL-V accommodates ATX12V standard power supplies. Although most
power supplies generally meet the specifications required by the CPU, some are inadequate.
A 2-Amp of current supply on a 5V Standby rail is strongly recommended.
It is strongly recommended that you use a high quality power supply that meets ATX12V
standard power supply Specification 1.1 or above. It is also required that the 12V 8-pin power
connection (JPW2) be used for adequate power supply. In areas where noisy power
transmission is present, you may choose to install a line filter to shield the computer from
noise. It is recommended that you also install a power surge protector to help avoid problems
caused by power surges.
The DLA Series does not have a function to determine pre-failure of a power supply. The
power supply will have the LED to show it is “OK” or “failed” by showing the color green or
amber for the respective status. When the power supply fails, it shows amber, when it is
functioning correctly it shows green.
A.6 Super I/O
The disk drive adapter functions of the Super I/O chip include a floppy disk drive controller
that is compatible with industry standard 82077/765, a data separator, write pre-
compensation circuitry, decode logic, data rate selection, a clock generator, drive interface
control logic and interrupt and DMA logic. The wide range of functions integrated onto the
Super I/O greatly reduces the number of components required for interfacing with floppy disk