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Chapter 3
Onboard Resource Settings
External SMI
The EXTSMI (External System
Management Interface) connector,
JP13, is used by some plug-in
cards. Certain applications associ-
ated with these plug-in cards use
the interface for hardware control
and queries.
Chassis Intrusion Alarm
Connector
The JP25 connector is an intrusion alarm, that can be connected to the
system chassis. When active (JP25 is connected), this alarm will alert
the system administrator anytime someone opens the system's case.
Windows 95 Users:
You may encounter problems with some of the devices in the Intel 82371AB
important!
chipset. Neither the PCI Bridge nor the PCI Universal Serial Bus device
IDs for this chipset (also called PIIX4) are recognized by Windows 95.
This is a software problem, not a hardware problem, and can be easily
remedied by either upgrading to Windows 98 or downloading the 82371AB
patch found at http://www.tyan.com/html/drivers.html or at ftp://
download.intel.com/design/pcisets/busmastr/setupex.exe. Note that USB
requires Windows 95 OSR 2.1 or above; please
contact Microsoft for the USB update.
CMOS RTC
The 440EX AGPset includes 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.
32
JP15
JP25
JP13
battery
http://www.tyan.com
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