W83627F Information Storage Devices, Inc, W83627F Datasheet - Page 118

• Manufacturer Part Number: W83627F
• Description: LPC Interface I/o Plus Kbc, Game Port, Midi Port
• Manufacturer: Information Storage Devices, Inc

Hardware Monitor circuits
PWM Circuit for FAN speed control
CPU Voltage ID output
Temperature Sensing
PIIVID4
PIIVID3
PIIVID2
PIIVID1
PIIVID0
VREF
AGND
VTIN3
VTIN1
VTIN2
3VCC
FANPWM1
FANPWM2
R68
10K
R60
R61
R62 10K 1%
30K
R59
R48
10K 1%
R69
10K
510
510
C43
CAPACITOR NON-POL
3300p
R70
10K
THERMISTOR
R58
R50
10K 1%
RT2
RT1
THERMISTOR
R57
Q4
MOSFET N
2N7002
R49
Q5
MOSFET N
2N7002
R71
10K
D+
D-
4.7K
1K
4.7K
1K
R72
10K
10K 1%
D+
D-
Q6
PNP
3906
C41
10u
Q7
PNP
3906
C42
10u
VID4
VID3
VID2
VID1
VID0
(from Deschutes)
+
+
(for other)
(for system)
+12V
+12V
JP7
HEADER 3
JP6
HEADER 3
3
2
1
3
2
1
1N4148
1N4148
D6
D7
Fan Speed Input Circuit
R56
4.7K
R51
4.7K
+12V
JP5
HEADER 3
R55
R52
3
2
1
1N4148
Voltage Sensing
CPUVCOA
CPUVCOB
27K
27K
+12V
D5
VCC3V
R46
28K 1%
R54
10K
R53
10K
R63
4.7K
- 114 -
R
R64
R47
10K 1%
FANIO1
FANIO2
27K
R43
R44
10K
10K
R45
10K
R
R
R
R
R65
10K
FANIO3
Publication Release Date:November 2002
VCOREA
VCOREB
+3.3VIN
+12VIN
AGND
VREF
Beep Circuits
Case Open Circuits
BEEP
VBAT
R75
R73
W83627HF/F
AVCC
AGND
Winbond Electronic Corp.
Title
Size
Date:
Custom
56K 1%
56K 1%
CASEOPEN SW
W83627HF CIRCUIT (LPC I/O+ H/W)
Document Number
Hardware Monitor
Monday, August 05, 2002
R77
R
1M
VCC
S 1
L6
FB
L7
FB
R66
10K
232K 1%
120K 1%
R76
R74
Q3
3904
R67
100
CASEOPEN#
-12V
-5V
LS1
SPEAKER
VCC
-12VIN
-5VIN
Sheet
Revision 2.0
5
of
6
Rev
0.4