Product specifications

VT1211 LPC SuperIO and Hardware Monitor
Revision 1.0 January 8, 2002 -12- Pinouts
Technologies, Inc.
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Hardware Monitor
Signal Name Pin # Type Description
UIC[1:5]
103, 104,
107-109
I
Universal Input Channels 1–5. 0 to 2.60 V FSR Analog Inputs.
VREF
106 O
Reference Voltage Output. Regulated referenced voltage for external temperature
sensors. It can drive 3 thermistors (max.) and Vref = 1.65V
DTDP
111 I
Thermal Diode Anode. Pentium thermal diode input positive junction.
DTDN
110 I
Thermal Diode Cathode. Pentium thermal diode input negative junction.
VID0
/GP73
/SIN2
59 I
Voltage ID 0. The Voltage ID is the voltage supply read outs from P6 CPUs. This
value is read in the VID register. The configuration of this pin is decided by the GPIO
configuration registers.
VID1
/GP74
/DTR2#
58 I
Voltage ID 1. The Voltage ID is the voltage supply read outs from P6 CPUs. This
value is read in the VID register. The configuration of this pin is decided by the GPIO
configuration registers.
VID2
/GP75
/RTS2#
57 I
Voltage ID 2. The Voltage ID is the voltage supply read outs from P6 CPUs. This
value is read in the VID register. The configuration of this pin is decided by the GPIO
configuration registers.
VID3
/GP76
/DSR2#
56 I
Voltage ID 3. The Voltage ID is the voltage supply read outs from P6 CPUs. This
value is read in the VID register. The configuration of this pin is decided by the GPIO
configuration registers.
VID4
/GP77
/CTS2#
55 I
Voltage ID 4. The Voltage ID is the voltage supply read outs from P6 CPUs. This
value is read in the VID register. The configuration of this pin is decided by the GPIO
configuration registers.
COPEN
/ OVFAN
/GP23
/ ATEST
101 IO
Case Open Detection. Indicates that the case is open.
OVTEMP#
117 O
Over Temperature. Indicates the thermal sensor is out of the high limit.
OVFAN
/WDTO
/MSI
119 O
Over Fan Limit. Indicates the fan speed is out of limit.
OVOLT
/ DSEL1
/MSO
120 O
Over Voltage Limit. Indicates the power supply voltage is out of the high or low
limits.
BEEP
118 O
Beep Warning. Warning that the hardware monitor has detected a fatal error in system
resources.
SMBDT
/GP71
/DCD2#
62 IO
Serial Bus Data. Serial bus bi-directional data.
SMBCK
/GP72
/ SOUT2
61 IO
Serial Bus Clock. Serial Bus clock.
FANIO1
/ DTEST
114 I
Fan Tachometer Input 1. 0 to +5V amplitude fan tachometer input.
FANIO2
/GP21
113 I
Fan Tachometer Input 2. 0 to +5V amplitude fan tachometer input.
FANOUT1
116 O
Fan Speed Control Output 1. PWM output signal to fan FET.
FANOUT2
/GP20
115 O
Fan Speed Control Output 2. PWM output signal to fan FET.
WDTO
/ OVFAN
/MSI
119 O
Watch Dog Time Out.