Schematic Diagrams
PCH 4/9- OCI, USB, RSVD B - 23
B.Sch
e
m
a
tic D
iag
rams
PCH 4/9- OCI, USB, RSVD
USB_O
C#01
3.3VS
INT
_PIRQ
E#
DGPU_PWM_SELECT
#
CLK_PCI_FB_R
USB PORT0
CCD
WLAN
3G
INT_PIRQH#
INT_PIRQG#
SATA_ODD_DA#
INT_PIRQE#
CLK_PCI_KBC_R
PCLK_TPM_
PCH
INT_PIRQE#
INT_PIRQD#
USB_BIAS
USB PORT3
USB_O
C#23
3.3V
3.3VS
USB_O
C#1213
AC_PRESENT
20,34
BUF_
PLT_RST
#
27,29,30,34
INT_PIRQD#
INT_PIRQC#
INT_PIRQB#
INT_PIRQA#
MPC Switch C ontrol
MPC OFF -- 0 DEFAULT
MPC ON -- 1
USB_
PN0
29
PME#
30,34
USB_
PP5
28
USB_
PP0
29
USB_
PN5
28
USB_
PN3
27
USB_
PP2
27
USB_
PN2
27
USB_
PP8
29
USB_
PN8
29
USB_
PP3
27
USB_
PP1
31
USB_
PN1
31
Flash Descriptor security override strap
HIGH = Default
LOW = PCI_GNT#3 swap override
PCI_GNT#3
PL
T_RST#
DGPU_SELECT#
D_GPU_
PWR_EN#
DGPU_HOLD_
RST#
C648
*0.1u_1
6V_Y5V_
04
USB_
OC#01 31
RN20
10K_8P4R_04
1
2
3
4
5
6
7
8
USB_O
C#14
R3
52
*10K_04
INT
_PIRQ
C#
INT_PIRQB#
SATA_ODD_DA#
USB_O
C#67
RS
V
D
PC
I
US
B
U34E
BD82HM65 QS B2 Q
NJH FC-BGA
RSVD23
AV5
RSVD1
AY7
RSVD2
AV7
RSVD3
AU3
RSVD4
BG4
RSVD5
AT10
RSVD6
BC8
RSVD7
AU2
RSVD8
AT4
RSVD17
BB5
RSVD18
BB3
RSVD19
BB7
RSVD20
BE8
RSVD21
BD4
RSVD22
BF6
RSVD9
AT3
RSVD10
AT1
RSVD11
AY3
RSVD12
AT5
RSVD13
AV3
RSVD14
AV1
RSVD15
BB1
RSVD16
BA3
RSVD25
AT8
RSVD24
AV10
RSVD26
AY5
RSVD27
BA2
RSVD28
AT12
RSVD29
BF3
PIRQA#
K40
PIRQB#
K38
PIRQC#
H38
PIRQD#
G
38
REQ
1# / G
PIO5
0
C46
REQ
2# / G
PIO5
2
C44
REQ
3# / G
PIO5
4
E40
G
NT1# / GPIO51
D47
G
NT2# / GPIO53
E42
G
NT3# / GPIO55
F46
PIRQE# / GPIO2
G
42
PIRQF# / GPIO3
G
40
PIRQG
# / G
PIO
4
C42
PIRQH# / G
PIO
5
D44
USBP0
N
C24
USBP0P
A24
USBP1
N
C25
USBP1P
B25
USBP2
N
C26
USBP2P
A26
USBP3
N
K28
USBP3P
H28
USBP4
N
E28
USBP4P
D28
USBP5
N
C28
USBP5P
A28
USBP6
N
C29
USBP6P
B29
USBP7
N
N28
USBP7P
M
28
USBP8
N
L30
USBP8P
K30
USBP9
N
G
30
USBP9P
E30
USBP10
N
C30
USBP10P
A30
USBP11
N
L32
USBP11P
K32
USBP12
N
G
32
USBP12P
E32
USBP13
N
C32
USBP13P
A32
PME#
K10
CLKO
UT_PCI0
H49
CLKO
UT_PCI1
H43
CLKO
UT_PCI2
J48
USBRBI AS#
C33
USBRBI AS
B33
O
C0# / GPI O
59
A14
O
C1# / GPI O
40
K20
O
C2# / GPI O
41
B17
O
C3# / GPI O
42
C16
O
C4# / GPI O
43
L16
O
C5# / GPI O
9
A16
O
C6# / GPI O
10
D14
O
C7# / GPI O
14
C14
CLKO
UT_PCI4
H40
CLKO
UT_PCI3
K42
PLTRST#
C6
TP1
BG
26
TP2
BJ26
TP3
BH25
TP6
AH38
TP7
AH37
TP8
AK43
TP9
AK45
TP16
Y13
TP17
K24
TP18
L24
TP19
AB46
TP20
AB45
TP21
B21
TP22
M
20
TP23
AY16
TP25
BE28
TP26
BC30
TP27
BE32
TP28
BJ32
TP29
BC28
TP30
BE30
TP31
BF32
TP32
BG
32
TP33
AV26
TP34
BB26
TP35
AU28
TP36
AY30
TP37
AU26
TP38
AY26
TP39
AV28
TP40
AW30
TP4
BJ16
TP5
BG
16
TP15
AM5
TP14
AM4
TP13
AH12
TP12
H3
TP11
N30
TP10
C18
TP24
BG
46
RN8
10K_8P4R_04
1
2
3
4
5
6
7
8
USB_O
C#1011
R353
*1K_04
R492
22.6_1%_06
U33
MC7
4VHC1G08DFT
2G
1
2
5
4
3
INT_PIRQA#
R484
*0_04
R2
39
*0_04
RN12
10K_8P4R_04
1
2
3
4
5
6
7
8
R502
22_04
R333
*2
2_04
R298
22_04
RN18
10K_8P4R_04
1
2
3
4
5
6
7
8
R354
*1K_04
RN11
10K_8P4R_04
1
2
3
4
5
6
7
8
R318
*1K_04
R480
100K_04
DGPU_PWM
_SELECT#
PCI_G
NT#3
BBS_
BIT1
USB_O
C#89
USB_O
C#45
PLT_RST#
3,12,28
PCLK_TPM
28
PCLK_KBC
34
SATA_ODD_DA#
31
CL
K_PCI_FB
19
INT
_PIRQ
H#
INT
_PIRQ
G#
USB PORT1
USB_OC#45
USB_OC#67
USB_OC#89
USB_OC#23
USB_OC#01
BBS_BIT1
USB_OC#12
13
USB_OC#14
USB_OC#10
11
PCI_GNT#3
Unde rstand the RE D FONT define
PI N PL T_ RS T# to B uf fe r
BBS_BIT1 BBS_BIT0 Boot BIOS Location
0 0 LPC
0 1 Reserved (NAND)
1 0 PCI
1 1 SPI
Boot BIOS Strap
PLT_RST#
CougarPoint -M (PCI,USB,RSVD)
3.3V
2,3,8,11,16,18,19,20,23,24,25,27,28,29,30,35,37,38,39
3.3VS
3,9,10,11,12,18,19,20,21,23,24,25,27,28,30,31,32,33,34,35,39
D_GPU_PWR_EN#
DGPU_SEL
ECT#
DGPU_HO
LD_RST#
Sheet 22 of 49
PCH 4/9- OCI, USB,
RSVD
Summary of Contents for W251HNQ
Page 1: ...W251HPQ W251HPQ C W251HNQ W251HNQ C W255HP W255HN W258HPQ W258HPQ C W258HNQ ...
Page 2: ......
Page 24: ...Introduction 1 12 1 Introduction ...
Page 44: ...A 4 Top W255HP W255HN A Part Lists Top W255HP W255HN 灰色 非耐落 Figure A 2 Top W255HP W255HN ...
Page 46: ...A 6 Bottom A Part Lists Bottom Figure A 4 Bottom ...
Page 47: ...SATA BLU RAY COMBO A 7 A Part Lists SATA BLU RAY COMBO 非耐落 志精 Figure A 5 SATA BLU RAY COMBO ...
Page 48: ...A 8 DVD DUAL A Part Lists DVD DUAL Figure A 6 DVD DUAL 非耐落 志精 ...
Page 49: ...LCD A 9 A Part Lists LCD 頭厚 非耐落 中性 Figure A 7 LCD ...
Page 50: ...A 10 A Part Lists ...
Page 103: ...www s manuals com ...