Service manual
Schematic Diagrams
B - 16 ICH5 (PCI, IDE, UHB, USB, LAN) (71-P2970-002A)
B.Schematic Diagrams
ICH5 (PCI, IDE, UHB, USB, LAN)
Sheet 15 of 28
ICH5 (PCI, IDE, UHB,
USB, LAN)
+3V
+3V
+3V
+1.5V
+3V
+3V
SB3V
+1.5V
+3V
SB3V
INTC#
INTD#
REQ1#
FRAME#
REQ3#
REQ2#
REQ0#
INTA#
SERR#
DEVSEL#
PERR#
STOP#
IRDY#
INTB#
TRDY#
PLOCK#
REQA#
REQB#
REQ4#
SERIRQ
PAR
Z1512
Z1513
AD28
C/BE#1
TZ1520
PDD12
PDD14
SDD14
TZ1506
AD4
AD19
AD24
TZ1502
PDD2
Z1518
AC_SDIN2
Z1516
AD0
AD12
AD16
PDD5
SDD2
SDD7
HI_2
HI_8
Z1511
C/BE#[0..3]
AD8
GNT2#
TZ1514
PDD9
SDD6
SDD11
HI_10
PCIRST#
AC_SDIN0
C/BE#0
TZ1501
TZ1512
SDD15
AD[0..31]
AD7
AD27
PDD15
TZ1522
AD3
AD11
AD23
Z1514
SDD3
HI_0
HI_5
TZ1507
AD15
REQ1#
REQ3#
TZ1513
PDD0
PDD6
SDD8
HI_1
HI_7
TZ1504
TZ1505
HI_[0..10]
C/BE#3
TZ1503
PDD10
SDD12
Z1519
AC_SDIN1
AD6
AD26
TZ1516
TZ1519
SDD0
TZ1508
TZ1509
AD2
AD14
AD18
AD22
REQ4#
TZ1511
PDD3
HI_4
AD10
AD30
PDD7
SDD4
SDD9
HI_6
C/BE#2
REQ2#
Z1509
TZ1518
PDD11
SDD13
Z1501
AD31
TZ1510
TZ1515
TZ1521
PDD13
Z1517
AD5
AD13
AD20
AD25
REQA#
PDD1
SDD1
AD1
AD9
AD17
AD21
REQ0#
PDD4
SDD5
HI_3
HI_9
TZ1523
AD29
GNT0#
GNT1#
REQB#
TZ1517
PDD8
Z1515
SDD10
Z1510
Z1504
TZ1524
TZ1525
TZ1526
Z1505
Z1506
Z1507
Z1508
RN57 8P4R*10K
1
2
3
4 5
6
7
8
U24A
74HC32
1
2
3
147
R416
226_1%
R407
147_1%
CA231
0.1u
CA230
0.1u
R415
113_1%
PCI Interface
IDE Interface
AC'97
HUB
USB
Interface
LAN
EEPROM
Interface
Interrupt
SATA
U28B
ICH5
AD18
AA17
AA18
C12
B8
A9
E12
D12
D8
J4
J5
G3
K4
H5
H2
J3
J2
K5
F2
M4
H4
L5
G2
K1
G5
G4
L1
B2
P5
H3
N5
C4
N4
E6
P3
D3
N2
F5
P4
F4
P2
E3
J1
N3
M2
L3
D2
M3
E4
E5
F1
K2
L2
L4
V4
V2
N1
D5
C1
C5
B6
C6
D4
A3
B7
C7
A4
A5
E7
E8
B4
Y9
Y11
AA8
E10
C10
C9
C11
D9
E9
B12
D10
B10
A12
B11
B9
Y21
Y22
Y23
AA19
AD19
AC19
W22
W23
W21
AB16
Y13
Y14
AC14
AA14
AC15
AD14
AB14
AD15
Y15
AD16
AA15
AC16
Y16
AA16
AB17
F23
B3
E1
A2
C2
D7
A6
E2
B1
Y17
Y24
C15
D15
D14
C14
C23
D23
A22
B22
C21
D21
A20
B20
AA22
AB23
AD23
AD24
AB21
AC21
AB20
AC20
Y19
AD22
AC22
AA20
AB22
AC24
AB24
AA23
AB19
Y18
V22
V20
H20
H21
J20
H23
M23
M21
N21
M20
L22
J22
K21
G22
K23
J24
N24
L24
AC17
Y20
AC18
W20
AC1
L20
A13
C19
D19
B14
A24
B24
AB8
AC7
AD7
AA10
AB10
AC9
AD9
A11
A18
B18
C17
D17
A16
B16
A14
D13
C13
PDIOR#
PDIOW#
PIORDY
AC_RST#
AC_SYNC
AC_SDOUT
AC_SDIN0
AC_SDIN1
AC_BIT_CLK
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
AD16
AD17
AD18
AD19
AD20
AD21
AD22
AD23
AD24
AD25
AD26
AD27
AD28
AD29
AD30
AD31
C/BE0#
C/BE1#
C/BE2#
C/BE3#
DEVSEL#
FRAME#
IRDY#
TRDY#
STOP#
PAR
PERR#
PLOCK#
SERR#
PCIRST#
PME#
PCICLK
REQ0#
REQ1#
REQ2#
REQ3#
REQ4#/GPIO40
GNT0#
GNT1#
GNT2#
GNT3#
GNT4#
REQA#/GPIO0
REQB#/REQ5#/GPIO1
GNTA#/GPIO16
GNTB#/GNT5#/GPIO17
SATARBIASN
SATARBIASP
SATA0TXP
LAN_CLK
LAN_RXD0
LAN_RXD1
LAN_RXD2
LAN_TXD0
LAN_TXD1
LAN_TXD2
LAN_RSTSYNC
EE_CS
EE_SHCLK
EE_DIN
EE_DOUT
SIORDY
SDIOW#
SDIOR#
PDA0
PDA1
PDA2
SDA0
SDA1
SDA2
PDD0
PDD1
PDD2
PDD3
PDD4
PDD5
PDD6
PDD7
PDD8
PDD9
PDD10
PDD11
PDD12
PDD13
PDD14
PDD15
SERIRQ
PIRQA#
PIRQB#
PIRQC#
PIRQD#
PIRQE#/GPIO2
GPIO3/PIRQF#
GPIO4/PIRQG#
PIRQH#/GPIO5
IRQ14
IRQ15
OC0#
OC1#
OC2#
OC3#
USBP0P
USBP0N
USBP1P
USBP1N
USBP2P
USBP2N
USBP3P
USBP3N
SDD0
SDD1
SDD2
SDD3
SDD4
SDD5
SDD6
SDD7
SDD8
SDD9
SDD10
SDD11
SDD12
SDD13
SDD14
SDD15
PDCS1#
PDCS3#
SDCS1#
SDCS3#
HL0
HL1
HL2
HL3
HL4
HL5
HL6
HL7
HL8
HL9
HL10
HL11
HL_STBF
HL_STBS
HIRCOMP
HIREF
PDDREQ
SDDREQ
PDDACK#
SDDACK#
CLKRUN#/GPIO24
HI_VSWING
AC_SDIN2
USBP4P
USBP4N
OC4#/GPIO9
USBRBIAS
USBRBIAS#
SATA0TXN
SATA0RXP
SATA0RXN
SATA1TXP
SATA1TXN
SATA1RXP
SATA1RXN
NC
USBP5P
USBP5N
USBP6P
USBP6N
USBP7P
USBP7N
OC5#/GPIO10
OC6#/GPIO14
OC7#/GPIO15
R413 8.2K
CP51 10p_R
RN62 8P4R*8.2K
1
2
3
45
6
7
8
CA244
0.1u
R494 8.2K
C91
0.01u
C226
0.01u
R473 8.2K
C227
0.01u_R
R471 2.7K
R412 20_1%
RN68 8P4R*10K
1
2
3
45
6
7
8
R417 52.3_1%
R447 0
RN59 8P4R*8.2K
1
2
3
45
6
7
8
R452 24.9_1%
CP41
10p_R
R423
33
R424
33
U24B
74HC32
4
5
6
147
RN58 8P4R*8.2K
1
2
3
45
6
7
8
R414 62_1%
RN61 8P4R*8.2K
1
2
3
45
6
7
8
R472 8.2K
IRDY#[17,19,20]
PME#[17,19,20,22]
PAR[17,19,20]
GNT1#[19]
FRAME#[17,19,20]
STOP#[17,19,20]
REQ0#[17]
TRDY#[17,19,20]
REQ2#[20]
PERR#[17,19,20]
GNT0#[17]
DEVSEL#[17,19,20]
SERR#[17,19,20]
GNT2#[20]
REQ1#[19]
PLOCK#[17]
PCIRST#[7,21]
C/BE#[0..3][17,19,20]
SDD[0..15][21]
PDA0[21]
SDA1[21]
PDA2[21]
PDD[0..15][21]
SDA0[21]
PDA1[21]
SDA2[21]
AD[0..31][17,19,20]
SDDREQ [21]
SDDACK# [21]
PDDACK# [21]
PDCS1# [21]
PDIOW# [21]
SDCS1# [21]
PDIOR# [21]
PDDREQ [21]
PIORDY [21]
SDIOR# [21]
SIORDY [21]
PDCS3# [21]
SDIOW# [21]
HI_[0..10] [7]
HI_STRF [7]
HI_STRS [7]
SATA0RXP [21]
SATA0TXP [21]
SATA0TXN [21]
SATA0RXN [21]
AC_RESET#[24]
BIT_CLK[24]
AC_SDIN1[24]
AC_SDIN2[24]
AC_SYNC[24]
AC_SDOUT[24]
ICHPCLK[4]
IRQ15 [21]
INTD#
SERIRQ [17,22]
INTA# [17,19]
INTC# [19,20]
IRQ14 [21]
INTB# [17,19]
AC_SDIN0[24]
REQ3#
OC3# [13]
+1.5V [5,7,11,13,14,22,28]
+3V [3,4,5,6,11,12,13,14,16,17,19,20,21,22,23,24,26,27,28]
SB3V [14,16,19,20,22,23,24,26]
PCIRST#2 [17,19,20]
PCIRST#1 [11,21,22]
SDCS3# [21]
USB1- [13]
USB0+ [16]
USB7- [13]
USB7+ [13]
USB1+ [13]
USB0- [16]
USB4+ [13]
USB4- [13]
USB5+ [13]
USB5- [13]
USB3- [13]
USB3+ [13]
OC4# [13]
OC1# [13]
OC5# [13]
NEAR ICH5