Table of Contents
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KBC-ITE IT8518E
VDD3
C436
C510
C502
C487
0.1u_16V_Y 5V_04
10u_6.3V_X5R_06
0.1u_16V_Y5V_04
0.1u_16V_Y 5V_04
C541
L26
HCB1005KF-121T20
0.1u_16V_Y5V_04
EC_VCC
3.3VS
U22
10
18,28
LPC_AD0
9
LAD0
18,28
LPC_AD1
LAD1
8
18,28
LPC_AD2
LAD2
7
18,28
LPC_AD3
LAD3
PCLK_KBC
13
22
PCLK_KBC
LPCCLK
6
18,28
LPC_FRAME#
LFRAME#
5
18,28
SERIRQ
SERIRQ
22
22,27,29,30
BUF_PLT_RST#
LPCRST#/WUI4/GPD2( PU )
KBC_WRESET#
14
WRST#
126
23
GA20
4
GA20/GPB5
43
AC_IN#
16
KBRST#/GPB6( PU )
28
LED_ACIN
20
PWUREQ#/GPC7( PU )
20,22
AC_PRESENT
L80LLAT/GPE7( PU )
23
23
SMI#
ECSCI#/GPD3( PU )
15
23
SCI#
ECSMI#/GPD4( PU )
DAC
76
27
WLAN_EN
GPJ0
77
33
KBC_MUTE#
GPJ1
78
18
ME_WE
DAC2/GPJ2
79
28
CPU_FAN
80
DAC3/GPJ3
R643
*0_04
35,36
USB_CHARGE_EN
81
DAC4/GPJ4
23
CRIT_TEMP_REP#
DAC5/GPJ5
C100820
6-03-08518-0P2
ADC
BAT_DET
66
43
BAT_DET
ADC0/GPI0
BAT_VOLT
67
43
BAT_VOLT
ADC1/GPI1
68
69
ADC2/GPI2
2
THERM_VOLT
ADC3/GPI3
70
R323
10_04
43
TOTAL_CUR
ADC4/GPI4
71
27
3G_DET#
ADC5/GPI5
CCD_DET#
72
28
CCD_DET#
ADC6/GPI6
MODEL_ID
73
ADC7/GPI7
SMBUS
110
43
SMC_BAT_R
SMCLK0/GPB3
111
43
SMD_BAT_R
SMDAT0/GPB4
SMC_VGA_THERM
115
16
SMC_VGA_THERM
SMCLK1/GPC1
SMD_VGA_THERM
116
16
SMD_VGA_THERM
SMDAT1/GPC2
SMC_CPU_THERM_R
117
118
SMCLK2/GPF6( PU )
SMD_CPU_THERM_R
SMDAT2/GPF7( PU )
PWM
LCD_BRIGHTNESS
24
PWM0/GPA0( PU )
25
33
KBC_BEEP
PWM1/GPA1( PU )
28
31
LED_SCROLL#
29
PWM2/GPA2( PU )
31
LED_NUM#
30
PWM3/GPA3( PU )
31
LED_CAP#
PWM4/GPA4( PU )
31
28
LED_BAT_CHG
PWM5/GPA5( PU )
32
28
LED_BAT_FULL
PWM6/GPA6( PU )
34
28
LED_PWR
PWM7/GPA7( PU )
PS/2
85
27
80CLK
PS2CLK0/GPF0( PU )
86
27
BT_DET#
PS2DAT0/GPF1( PU )
87
27
3IN1
PS2CLK1/GPF2( PU )
88
22,42
dGPU_PWR_EN#
PS2DAT1/GPF3( PU )
89
28
TP_CLK
PS2CLK2/GPF4( PU )
90
28
TP_DATA
PS2DAT2/GPF5( PU )
WAKE UP
125
27
3G_EN
PWRSW/GPE4( PU )
18
35
PWR_SW#
RI1#/WUI0/GPD0( PU )
21
11,28
LID_SW#
RI2#/WUI1/GPD1( PU )
GP INTERRUPT
33
20
PWR_BTN#
GINT/GPD5( PU )
UART
108
R300
*0_04
27,31
WLAN_LED#
RXD/GPB0( PU )
109
27
WLAN_DET#
TXD/GPB1( PU )
IT8518E VER:C
EC_VSS
R426
*0_04
C542
0.1u_16V_Y5V_04
R417
*10mil_s hort_04
LCD_BRIGHTNESS
11
BRIGHTNESS
C555
*0.1u_16V_Y5V_04
KBC_AVDD
L13
HCB1005KF-121T20
VDD3
C544
C416
C437
C415
0.1u_16V_Y 5V_04
*0.1u_16V_Y 5V_04
*0.1u_16V_Y 5V_04
1
KBC_AGND
FOR W250HPQ
FOR W270HU
J_KB1
85201-24051
58
4
KB-SI0
KB-SI0
KSI0/STB#
59
5
KB-SI1
KB-SI1
KSI1/AFD#
60
6
KB-SI2
KB-SI2
KSI2/INIT#
61
KB-SI3
8
KB-SI3
KSI3/SLIN#
62
KB-SI4
11
KB-SI4
KSI4
63
KB-SI5
12
KB-SI5
KSI5
64
KB-SI6
14
KB-SI6
LPC
K/B MATRIX
KSI6
65
15
KB-SI7
KB-SI7
KSI7
36
KB-SO0
1
KB-SO0
KSO0/PD0
37
KB-SO1
2
KB-SO1
KSO1/PD1
38
KB-SO2
3
KB-SO2
KSO2/PD2
39
7
KB-SO3
KB-SO3
KSO3/PD3
40
9
KB-SO4
KB-SO4
KSO4/PD4
41
10
KB-SO5
KB-SO5
KSO5/PD5
42
KB-SO6
13
KB-SO6
KSO6/PD6
43
KB-SO7
16
KB-SO7
KSO7/PD7
44
KB-SO8
17
KB-SO8
KSO8/ACK#
45
18
KB-SO9
KB-SO9
KSO9/BUSY
46
19
KB-SO10
KB-SO10
KSO10/PE
51
20
KB-SO11
KB-SO11
KSO11/ERR#
52
21
KB-SO12
KB-SO12
KSO12/SLCT
53
KB-SO13
22
KB-SO13
KSO13
54
KB-SO14
23
KB-SO14
KSO14
55
24
KB-SO15
KB-SO15
IT8518
KSO15
FLASH
100
FLFRAME#/GPG2
3G_POWER_EN 27
101
KBC_SPI_CE#
FLAD0/SCE#
102
KBC_SPI_SI
FLAD1/SI
103
KBC_SPI_SO
FLAD2/SO
104
FLAD3/GPG6
USB_CHARGE_EN 35,36
105
KBC_SPI_SCLK
FLCLK/SCK
106
( PD )FLRST#/WUI7/GPG0/TM
CCD_EN
28
GPIO
56
( PD )KSO16/GPC3
SUSB#
6,20,35
57
( PD )KSO17/GPC5
SUSC#
20,38
93
( PD )GPH0/ID0
SUS_PWR_ACK 20
94
( PD )GPH1/ID1
BT_EN
27,31
95
( PD )GPH2/ID2
96
BKL_EN 11
HSPI_CE# 18
( PD )GPH3/ID3
97
( PD )GPH4/ID4
HSPI_SCLK 18
98
HSPI_MSO 18
( PD )GPH5/ID5
99
( PD )GPH6/ID6
HSPI_MSI 18
107
DD_ON
31,35,36
( PD )GPG1/ID7
EXT GPIO
82
C100818
( PD )EGAD/GPE1
AC_DET
16
83
( PD )EGCS#/GPE2
dGPU_RST# 12,22
84
( PD )EGCLK/GPE3
H_PROCHOT#_EC 3
WAKE UP
35
RSMRST# 20
( PD )WUI5/GPE5
17
( PD )LPCPD#/WUI6/GPE6
KBC_RST# 23
PWM/COUNTER
47
( PD )TACH0/GPD6
CPU_FANSEN 28
48
( PD )TACH1/GPD7
120
( PD )TMRI0/WUI2/GPC4
PM_PCH_PWROK 20
124
( PD )TMRI1/WUI3/GPC6
ALL_SY S_PWRGD 11,20,40
CIR
119
VCORE_PWRGD 20
( PD )CRX/GPC0
123
PME#
22
( PD )CTX/GPB2
R624
0_04
LAN_PCIE_WAKE# 30
LPC/WAKE UP
19
for RLT8411 C100816
( PD )L80HLAT/GPE0
SWI#
20
112
CHG_RST 43
( PD )RING#/PWRFAIL#/LPCRST#/GPB7
µL«OÅ@
CLOCK
2
CK32KE
R414
*0_04
CK32KE
NB_ENAVDD 11,21
128
CK32K
R413
*0_04
CK32K
ICPPE# 23
R425
*10mil_short_04
NC2
SHORT
KBC_AGND
24
J_KB1
J _KB2
*85201-24051
4
5
6
Board-n¥[
8
11
12
14
EC MODULE CHOOSE (FOR DIFFERENCE K/B TYPE)
15
1
VER.
RX
2
3
V1.0
R163 10K/ R171 X
7
9
R163 X /R171 10K
10
13
16
17
MODEL_ID
18
19
20
21
22
23
24
3G_DET#
R322
CCD_DET#
R306
SMC_CPU_THERM_R
R357
SMC_CPU_THERM_R
R358
SMD_CPU_THERM_R
R368
PCLK_KBC
R415
*10_04
PCLK_KBC_R
BAT_VOLT
TOTAL_CUR
VDD3
NC3
SHORT
KBC_SPI_*_R = 0.1"~0.5"
0.1u_16V_Y 5V_04
32Mbit
C435
U20
8
5
SPI_VDD_1
KBC_SPI_SI_R
VDD
SI
2
KBC_SPI_SO_R
SO
R319
1K_04
KBC_FLASH
3
1
KBC_SPI_CE#_R
WP#
CE#
6
KBC_SPI_SCLK_R
SCK
KBC_HOLD#
7
4
R320
4.7K_04
2'rd
HOLD#
VSS
PCT25VF032B
6-04-02532-490
6-04-25032-491
6-04-25320-490
Co-lay SPI ROM
U19
8
5
SPI_VDD_1
KBC_SPI_SI_R
VDD
SI
2
KBC_SPI_SO_R
SO
KBC_FLASH
3
1
KBC_SPI_CE#_R
WP#
CE#
6
KBC_SPI_SCLK_R
SCK
KBC_HOLD#
7
4
HOLD#
VSS
*MX25L3205DM2I-12G
ACA-SPI-004-T03
Schematic Diagrams
VDD3
R416
100K_04
KBC_WRESET#
C543
1u_6.3V_Y 5V_04
VOLTAGE
MODEL_ID
3.3V
0V
R305
10K_04
VDD3
Sheet 34 of 50
R321
*10K_04
RX
KBC-ITE IT8518E
VDD3
*10K_04
10K_04
43_1%_04
H_PECI 3,23
*0_04
SMC_CPU_THERM 19
*0_04
SMD_CPU_THERM 19
C554
*10p_50V_NPO_04
C438
1u_6.3V_Y5V_04
C418
*1u_6.3V_Y5V_04
R330
47_04
KBC_SPI_SI
KBC_SPI_SO
R339
15_1%_04
R329
15_1%_04
KBC_SPI_CE#
R340
47_04
KBC_SPI_SCLK
KBC-ITE IT8518E B - 35
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