S1952DLU Thunder X
2-11
INST
ALL
Chassis Intrusion Alarm Connector
The J8 connector is an intrusion alarm, that can be connected to the system
chassis. When active (J8 is connected to the chassis), this alarm will alert the
system administrator anytime someone opens the system’s case.
CMOS RTC
The 440GX AGPsets include a Real Time Clock (RTC) circuit, which provides
the date and time for the system. If the external battery for the RTC is low, it
will prevent your system from POSTing, and you will not get a display.
Normally the life span of an external battery is 2 years. If yours is running low,
you will need to replace it with a new 3V lithium battery (Sony CR2032).
Flash EEPROM
The Thunder 100 uses flash memory to store BIOS programs. It can be
updated as new versions of the BIOS become available. You can upgrade your
BIOS easily using the flash utility (see page 3-31).
JP17
JP8
Содержание THUNDER X
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