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KBC IT8587
5
KBC_AVDD
VDD3
VDD3
C536
C557
C556
C500
C502
10u_6.3V_X5R_06
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
R412
0.1u_10V_X7R_04
100K_04
C553
KBC_WRESET#
0.1u_10V_X7R_04
KBC_AGND
3.3VS
D
C555
U28
0.1u_10V_X7R_04
10
28,40
LPC_AD0
LAD0
KSI0/STB#
9
28,40
LPC_AD1
8
LAD1
KSI1/AFD#
28,40
LPC_AD2
LAD2
KSI2/INIT#
7
28,40
LPC_AD3
LAD3
KSI3/SLIN#
13
28
PCLK_KBC
LPCCLK
KSI4
6
28,40
LPC_FRAME#
5
LFRAME#
KSI5
LPC
K/B
MATRIX
28,40
SERIRQ
SERIRQ
KSI6
22
25,34,35,38
BUF_PLT_RST#
LPCRST#/WUI4/GPD2( PU )
KSI7
KBC_WRESET#
14
WRST#
KSO0/PD0
KSO1/PD1
GA20
126
4
GA20/GPB5
KSO2/PD2
52
AC_IN#
KBRST#/GPB6( PU )
KSO3/PD3
16
40
LED_ACIN
PWUREQ#/GPC7( PU )
KSO4/PD4
20
27
AC_PRESENT
L80LLAT/GPE7( PU )
KSO5/PD5
23
KSO6/PD6
28
SMI#
ECSCI#/GPD3( PU )
KSO7/PD7
15
26
SCI#
ECSMI#/GPD4( PU )
KSO8/ACK#
KSO9/BUSY
DAC
KSO10/PE
76
R345
*10mil_short
KBC_MUTE#
27
SUS_PWR_ACK#
GPJ0
KSO11/ERR#
77
41
KBC_MUTE#
78
GPJ1
KSO12/SLCT
27
ME_WE
CPU_FAN
DAC2/GPJ2
KSO13
79
KBLIGHT_ADJ
DAC3/GPJ3
KSO14
80
VGA_FAN
IT8587
DAC4/GPJ4
KSO15
81
C
D02
DAC5/GPJ5
BAT_DET
ADC
FLASH
66
42,52
BAT_DET
BAT_VOLT
67
ADC0/GPI0
FLFRAME#/GPG2
11/03
42,52
BAT_VOLT
ADC1/GPI1
FLAD0/SCE#
68
R828
0_04
17,18,28
GC6_FB_EN
ADC2/GPI2
FLAD1/SI
69
2
THERM_VOLT
ADC3/GPI3
FLAD2/SO
70
52
TOTAL_CUR
VBATT_BOOST#
ADC4/GPI4
FLAD3/GPG6
71
16
VBATT_BOOST#
ADC5/GPI5
FLCLK/SCK
72
MODEL_ID
27
PCH_SLP_WLAN#
ADC6/GPI6
( PD )FLRST#/WUI7/GPG0/TM
73
ADC7/GPI7
R364
47_04
GPIO
52
SMC_BAT
R387
47_04
SMBUS
52
SMD_BAT
( PD )KSO16/GPC3
110
111
SMCLK0/GPB3
( PD )KSO17/GPC5
SMDAT0/GPB4
115
R388
*10mil_short
16,43
SMC_VGA_THERM
SMCLK1/GPC1
( PD )GPH0/ID0
R389
*10mil_short
116
EC_PECI
16,43
SMD_VGA_THERM
SMDAT1/GPC2
( PD )GPH1/ID1
117
SMD_CPU_THRM_L
SMCLK2/GPF6( PU )
( PD )GPH2/ID2
118
SMDAT2/GPF7( PU )
( PD )GPH3/ID3
( PD )GPH4/ID4
PWM
24
( PD )GPH5/ID5
40
EC_SSD_LED#
PWM0/GPA0( PU )
( PD )GPH6/ID6
25
41
KBC_BEEP
PWM1/GPA1( PU )
( PD )GPG1/ID7
28
29
PWM2/GPA2( PU )
EXT GPIO
PWM3/GPA3( PU )
30
PWM4/GPA4( PU )
( PD )EGAD/GPE1
31
40
LED_BAT_CHG
PWM5/GPA5( PU )
( PD )EGCS#/GPE2
32
40
LED_BAT_FULL
34
PWM6/GPA6( PU )
( PD )EGCLK/GPE3
40
LED_PWR
PWM7/GPA7( PU )
WAKE UP
B
PS/2
85
( PD )WUI5/GPE5
80CLK
PS2CLK0/GPF0( PU )
( PD )LPCPD#/WUI6/GPE6
86
44,46
USB_CHARGE_EN
PS2DAT0/GPF1( PU )
3IN1
87
PWM/COUNTER
88
PS2CLK1/GPF2( PU )
34
BT_EN
PS2DAT1/GPF3( PU )
( PD )TACH0/GPD6
89
39
TP_CLK
PS2CLK2/GPF4( PU )
( PD )TACH1/GPD7
90
39
TP_DATA
PS2DAT2/GPF5( PU )
( PD )TMRI0/WUI2/GPC4
WAKE UP
( PD )TMRI1/WUI3/GPC6
125
36,37,44,46
DD_ON
PWRSW/GPE4( PU )
CIR
18
44
PWR_SW#
RI1#/WUI0/GPD0( PU )
( PD )CRX/GPC0
21
22,39
LID_SW#
RI2#/WUI1/GPD1( PU )
( PD )CTX/GPB2
GP
INTERRUPT
LPC/WAKE
UP
33
27
PWR_BTN#
GINT/GPD5( PU )
( PD )L80HLAT/GPE0
( PD )RING#/PWRFAIL#/LPCRST#/GPB7
3/10
UART
108
CLOCK
35
ASM1142_PORST#_R
RXD/GPB0( PU )
109
4
H_PROCHOT_EC
TXD/GPB1( PU )
CK32KE
CK32K
VDD3
IT8587E/FX
D02
KBC_AGND
R329
*10mil_short
KBC_AGND
R835
A
10K_04
6-03-08587-FX
C554
KBC_MUTE#
0.1u_10V_X7R_04
us b c har ge r
,
R834
Pull low ,
, p u l l hi g h
*10K_04
5
4
3
L26
HCB1005KF-121T20
VDD3
N850
N870
Used for 15"
1
24
1
J_KB1
J_KB1
KBC LED CONTROL
85208-24051
*85208-24051
58
KB-SI0
4
5VS
4
U15
KB-SI0
59
KB-SI1
5
KBCLED
1
8
KB-SI1
5
60
6
KB-SI2
FON
GND
2
7
KB-SI2
6
61
KB-SI3
8
3
VIN
GND
6
8
KB-SI3
62
KB-SI4
11
5VS_KBC
VOUT
GND
4
5
KB-SI4
11
C392
63
KB-SI5
12
VSET
GND
KB-SI5
12
64
14
KB-SI6
0.1u_10V_X7R_04
NCT3940S-A
KB-SI6
14
65
KB-SI7
15
15
KB-SI7
36
1
KBLIGHT_ADJ
KB-SO0
KB-SO0
1
37
KB-SO1
2
2
KBC_LED
KB-SO1
38
KB-SO2
3
KB-SO2
3
39
7
KB-SO3
5VS_KBC
KB-SO3
7
40
KB-SO4
9
9
J_KBC_LED1
KB-SO4
41
KB-SO5
10
KB-SO5
10
42
KB-SO6
13
6
KB-SO6
13
43
16
KB-SO7
5
C394
KB-SO7
16
44
KB-SO8
17
26
4
17
10u_6.3V_X5R_06
KB-SO8
45
KB-SO9
18
25
3
N850_WHITE
KB-SO9
18
46
19
KB-SO10
2
KB-SO10
19
51
KB-SO11
20
1
20
KB-SO11
52
KB-SO12
21
KB-SO12
21
53
22
50541-00601-002
KB-SO13
N850_WHITE
KB-SO13
22
54
23
KB-SO14
23
6-20-94K40-106
KB-SO14
55
KB-SO15
24
KB-SO15
24
N850_WHITE
6-20-94AF0-124
AUTO_LOAD_PWR
R363
10K_04
100
HSPI_CE#
VDD3
101
HSPI_MSI
HSPI_CE# 24
102
HSPI_MSO
HSPI_MSI 24
103
HSPI_MSO 24
104
HSPI_SCLK
AIRPLAN_LED#
40
105
HSPI_SCLK 24
106
CCD_EN 40
56
KB-SO16 43
57
KB-SO17 43
93
SUSB# 22,25,27,36,37,44,45,47
94
SUSC# 27,45,47
95
BKL_EN 22
96
R829
0_04
DGPU_PWR_EN
17,28,56
97
WLAN_EN 34
98
R830
0_04
OVERT# 16,17
99
WLAN_PWR_EN 34
107
3G_EN 33
11/03
82
SUS_WARN# 27
83
KB-DET
KB-DET 43
D02
84
CHG_JAP 52
R405
10K_04
35
EC_RSMRST# 27
17
CPU FAN
CONTROL
KBC_RST# 28
CPU_FANSEN
47
VGA_FANSEN
48
5VS
U5
120
LOT6_CHG 52
1
8
124
FON
GND
PM_PWROK 25
2
7
VIN
GND
3
6
R403
0_04
FAN_CPU_5VS
ALL_SYS_PWRGD
4,22,25,49
4
VOUT
GND
5
119
R402
*0_04
C244
VSET
GND
NB_ENAVDD 22,26
123
LAN_WAKEUP# 24,27,34,38
NCT3940S-A
1u_6.3V_X5R_04
CPU_FAN
19
SWI# 26
CPU_FAN
112
PMOSFET_CONTROL#
52
FAN_CPU_5VS
J_FAN1
2
1
3G_POWER 33
128
2
SLP_SUS# 45,50
C284
3
R404
10K_04
10u_6.3V_X5R_06
85204-03001
6-20-23120-003
CPU_FANSEN
J_FAN1
R525
4.7K_04
3
3.3VS
1
4
3
2
KB-DET
SMC_BAT
SMD_BAT
BAT_DET
VBATT_BOOST#
24
J_KB2
J_KB2
Gary_Add N870 White LED Keyboard
AC_IN#
BAT_VOLT
CPU_FAN
EC_PECI
KBC_LED
MODEL_ID
RA
5VS_KBC
J_KBC_LED2
N85
10K_1%
26
6
N87
X
5
25
C393
4
10u_6.3V_X5R_06
3
N870_WHITE
2
1
*50541-00601-002
RA
N870_WHITE
MODEL_ID
CHANGE
R346
10K_04
6-20-94K40-106
N870_WHITE
CHANGE
R330
*10K_04
RB
3.3VS
For debug only
SMC_VGA_THERM
SMD_VGA_THERM
VGA FAN
CONTROL
5VS
U2
1
8
2
FON
GND
7
VIN
GND
3
6
FAN_VGA_5VS
VOUT
GND
C13
4
5
VSET
GND
0.1u_10V_X5R_04
NCT3940S-A
VGA_FAN
_
VGA_FAN
FAN_VGA_5VS
J_FAN2
J_FAN2
3
1
2
C576
3
1
10u_6.3V_X5R_06
85204-03001
_
VGA_FANSEN
6-20-23120-003
12/16
R433
4.7K_04
3.3VS
_
Title
Title
Title
22,27,44,45,46,47,48,49,51,52,53,54,55
VIN
9,20,21,23,39,41,43,44,53,54
5VS
Si ze
Si ze
Si ze
4,24,25,27,30,32,34,38,39,44,45,46,50,51,52,53,54,55,56
VDD3
8,9,17,18,20,21,22,23,24,26,27,28,29,30,32,34,35,38,39,40,41,43,44,49,53,54,55,56
3.3VS
Custom
Custom
Custom
Dat e:
Dat e:
Dat e:
2
Schematic Diagrams
1
VDD3
R812
100K_04
R362
1.5K_04
R383
1.5K_04
R348
10K_1%_04
R347
*10K_04
C
AC
42,52
BAT_DET
D
A
D24
BAV99 RECTIFIER
C
AC
42,52
BAT_VOLT
A
D23
BAV99 RECTIFIER
C552
0.1u_10V_X7R_04
C481
1u_6.3V_X5R_04
C501
0.1u_10V_X7R_04
C528
*5p_50V_NPO_04
R386
43_1%_04
H_PECI 4
RB
Voltage
X
3.3V
10K_1%
0V
VDD3
Sheet 42 of 72
C
KBC IT8587
DEBUG PORT
VDD3
4
3IN1
3
80CLK
2
B
1
J_80DEBUG1
*85205-04001
PCB Footprint = 85205-0400M
PWR_SW1
*TJE-532-Q-T/R
3
1
M_BTN# 44
4
2
A
[42]KBC-ITE IT8587
[42]KBC-ITE IT8587
[42]KBC-ITE IT8587
Document
Document
Document
Number
Number
Number
R e v
R e v
R e v
6-71-N85H0-D01
6-71-N85H0-D01
6-71-N85H0-D01
D01
D01
D01
SCHEMATIC1
SCHEMATIC1
SCHEMATIC1
Friday, December 16, 2016
Friday, December 16, 2016
Friday, December 16, 2016
Sheet
Sheet
Sheet
42
42
42
o f
o f
o f
63
63
63
1
KBC IT8587 B - 43
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