User Manual

ICE Module
Page 84
4.14.2 Speaker/FAN Control/RTC Reference
4.14.2.1 Speaker Out
Buzzer
R325 2.7K_4
1 2
Q14
2N3904_SOT23
E
C
B
R321
33_4
+V5S_BUZZER
+V5
SP1
SATG1205NP45_DIP12X10_6.5
1
2
SPKR3,18,21
C246
0.1U_4_Y _16V
Figure 4-43: Speaker Out Reference Schematic
4.14.2.2 FAN Control
C264
0.1U_4_Y _16V
+V12
Q13
FDN335N
G
D
S
CPU FAN W/FAN Control
SYSTEM FAN W/FAN Control
Q22
2N3906_SOT23_3
E
C
B
C240
0.1U_4_Y _16V
+V12
+V12
FAN_IO2 13
GND
VCC
DET
FAN2
1
2
3
FAN_PWM213
C244
0.1U_4_Y _16V
R319
10K_4
R317
4.7K
+V12
R3181K_4
+V5
FAN_IO2
R3201K_4
C263
0.1U_4_Y _16V
D34
1N4148
CONTROL
SENSE
+12V
GND
FAN1
CPUFAN_4_2.54
2
1
3
4
C268
10UF_1210_16V
1
2
C245
10UF_1210_16V
1
2
R402 1K_4
R374 4.7K
FAN_IO1 13
FAN_PWM113
FAN_PWM1
R313
4.7K
R315
10K_4
R3141K_4
+V5
FAN_IO1
R3161K_4
D33
1N4148
+V12
Q23
2N3906_SOT23_3
E
C
B
Q18
FDN335N
G
D
S
SYSTEM FAN2 W/FAN Control from COM module
FAN_TACHOIN 3
GND
VCC
DET
FAN3
1
2
3
FAN_PWMOUT3
C261
0.1U_4_Y _16V
R407
4.7K
R408
10K_4
R4091K_4
+V5
R4101K_4
D35
1N4148
C262
10UF_1210_16V
1
2
R412 1K_4
R411 4.7K
+V12
Figure 4-44: FAN Reference Schematic