MON35W42
Hardware Monitoring IC with Thermal Diode
Interface
FEATURES
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Monitoring Items
-
3 Thermal Inputs From Remote
Thermistors or 2N3904 NPN-type
®
Transistors or Pentium II (Deschutes)
Thermal Diode Output
-
9 Voltage Inputs - Typical for Vcore,
+3.3V, +12V, -12V, +5V, -5V, +5V Vsb,
Vbat, and One Reserved
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3 Fan Speed Monitoring Inputs
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Case Open Detection Input
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WATCHDOG Comparison of all
Monitored Values
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Programmable Hysteresis and Setting
Points (Alarm Thresholds) for all
Monitored Items
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Action Enabling
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Beep Tone Warning
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4 PWM (Pulse Width Modulation)
Outputs for Fan Speed Control (3 are
MUX Optional); Up to 3 sets of fan
Speed Monitoring and Control.
-
Issue nSMI, nOVT, nGPO Signals to
Activate System Protection
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Warning Signal Pop-Up for Application
Software
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General
2
-
ISA and I C Serial Bus Interface
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5 VID Input Pins for CPU Vcore
®
Identification (for Pentium II)
-
Initial Power Fault Beep (for +3.3V,
Vcore)
-
Master Reset Input to MON35W42
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Independent Power Plane of Digital Vcc
and Analog Vcc (Inputs to IC)
-
3 Pins (IA0, IA1, IA2) to Provide
Selectable Address Setting for
Application of Multiple Devices (up to 8
2
Devices) Wired Through I C Interface
®
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Intel LDCM (DMI Driver 2.0) Support
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Acer ADM (DMI Driver 2.0) Support
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SMSC Hardware Monitoring Application
Software (Hardware Doctor) Support,
for Both Windows 95/98 and Windows
NT 4.0/5.0
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Input Clock Rate Optional for 24, 48,
14.318 MHz
-
5V Vcc Operation
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Package
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48 Pin TQFP
SMSC [ SMSC CORPORATION ]
