Service manual

Schematic Diagrams
B-7
Schematic Diags
Springdale (HOST, AGP, Hub)
Sheet 6 of 39
Springdale
(HOST, AGP, Hub)
VCC1.5S
VCC1.5S
VCC1.5S
VCC1.5S
VCC1.5S
GMCHVCCP
VCC1.5S
GMCHVCCP
VCC3
G_AD[0..31]
SBA[0..7]
ST[0..2]
HL[0..10]
G_FRAME#
G_TRDY#
G_STOP#
HL7
HL6
G_REQ#
GRCOMP
HL4
CPU66IN_MCH
MCHAGPREF
HL10
HL2
HCOMP
HLSTBF
G_DEVSEL#
HL1
G_PAR
HL9
HLSTBS
GSWING
HL3
G_IRDY#
HL5
HL8
G_GNT#
HL0
HUBSWING
SBA6
SBA2
SBA7
SBA3
SBA0
SBA4
SBA5
SBA1
G_AD2
G_AD7
G_AD1
G_AD6
G_AD3
G_AD5
G_AD0
G_AD4
G_AD10
G_AD15
G_AD9
G_AD14
G_AD11
G_AD13
G_AD8
G_AD12
G_AD18
G_AD23
G_AD17
G_AD22
G_AD19
G_AD21
G_AD16
G_AD20
G_AD26
G_AD31
G_AD25
G_AD27
G_AD24
G_AD28
G_AD29
G_AD30
AD_STB1
AD_STB0
SB_STB#
AD_STB1#
SB_STB
AD_STB0#
REFSET
G_WBF#
DB_LO
G_RBF#
DB_HI
ST2
ST0
ST1
WISWING1
WIVREF1
HGTLREF
HD43
HD36
HD31
HDSWING
HDSTBP3#
MCHCLK#
HA5
G_CBE#2
HD57
HD50
HD47
HD44
HD24
HDBI2#
HA20
HA19
PROCHOT#
HD55
HD14
HD49
HD30
HD22
HD16
HD4
HD2
HITM#
HA15
G_CBE#[0..3]
HD56
HD42
HD0
PWROK_GMCH
HDBI3#
HA29
HA24
HA23
HA4
HD35
HD25
HD21
HD13
HD10
HREQ0#
HA8
G_CBE#0
G_CBE#1
HD48
HD34
HD3
HRS2#
HLOCK#
HTRDY#
HDSTBP0#
HA22
HD63
HD52
HD46
HD28
HD6
HDSTBN2#
HADSTB0#
HA9
HA7
HD9
HD8
HD5
HDSTBN1#
HA12
HD[0..63]
G_CBE#3
HD58
HD45
HD41
HD17
HD1
HDSTBP2#
HDSTBP1#
HREQ3#
HA21
HD59
HD37
HD32
HD23
HA28
HA11
HA3
HD61
HD53
HD39
HDRCOMP
BR0#
HADSTB1#
HA[3..31]
HD33
HD29
HD27
DBSY#
DEFER#
HDRDY#
HDSTBN0#
HREQ1#
HA17
HA13
HD19
BNR#
HIT#
HDBI1#
HA27
HA25
HA18
HD54
HD7
BPRI#
HDSTBN3#
HDBI0#
HA14
HD62
HD38
HD18
HD15
HD12
HCPURST#
MCHCLK
HA31
HA30
HA16
HA10
HA6
HD60
HD51
HD40
HD26
HD20
HD11
HRS1#
HRS0#
ADS#
HREQ2#
HA26
BSEL0
BSEL1
HREQ4#
HUBREF
HDSWING
GSWING
HUBSWING
ICHSYNC#
MCHAGPREF
WISWING1
WIVREF1
HGTLREF
PWROK
SUSB#
PWROK_GMCH
G_PAR
HUBREF
T275
T264
T287
T261
T271
T260
T273
T262
C556
0.1U
T272
R409 20_1%
R410 52.3_1%
R407 62_1%
T274
R39
0
R50
30.1_1%
T263
R51
39.2_1%
R52
60.4_1%
R78
147_1%
T265
R77
113_1%
R85
226_1%
R79
113_1%
R80
147_1%
T266
T55
T18
T288
T54
T62
T290
T289
R64
226_1%
T303
T60
T17
T105
T68
T114
T36
T64
T37
T16
T269
T259
T63
T295
T19
C100
1U(R)
R406
102_1%
C547
0.1U
R81
301_1%
C529
1U
C539
0.1U
C72
1U
C71
0.1U
C99
1U
C548
1U
C98
0.1U
C549
0.1U
C89
1U
C88
1U
C540
0.1U
C97
0.1U
T69
T113
T112
T61
R90 51.1_1%
FSB
BGA2A
SPDG MCH
D26
D30
L23
E29
B32
K23
C30
C31
J25
B31
E30
B33
J24
F25
D34
C32
F28
C34
J27
G27
F29
E28
H27
K24
E32
F31
G30
J26
G26
B29
J23
L22
C29
J21
B30
D28
B7
C7
B19
C19
C17
L19
K19
L17
G9
F9
L14
D12
E12
C15
F27
D24
G24
L21
E23
K21
E25
B24
B28
B26
E27
G22
C27
B27
E8
AE14
E24
C25
F23
B23
E22
B21
D20
B22
D22
B20
C21
E18
E20
B16
D16
B18
B17
E16
D18
G20
F17
E19
F19
J17
L18
G16
G18
F21
F15
E15
E21
J19
G14
E17
K17
J15
L16
J13
F13
F11
E13
K15
G12
G10
L15
E11
K13
J11
H10
G8
E9
B13
E14
B14
B12
B15
D14
C13
B11
D10
C11
E10
B10
C9
B9
D8
B8
L20
L13
L12
HA3#
HA4#
HA5#
HA6#
HA7#
HA8#
HA9#
HA10#
HA11#
HA12#
HA13#
HA14#
HA15#
HA16#
HA17#
HA18#
HA19#
HA20#
HA21#
HA22#
HA23#
HA24#
HA25#
HA26#
HA27#
HA28#
HA29#
HA30#
HA31#
HREQ0#
HREQ1#
HREQ2#
HREQ3#
HREQ4#
HADSTB0#
HADSTB1#
HCLKP
HCLKN
HDSTBP0#
HDSTBN0#
DINV0#
HDSTBP1#
HDSTBN1#
DINV1#
HDSTBP2#
HDSTBN2#
DINV2#
HDSTBP3#
HDSTBN3#
DINV3#
ADS#
HTRDY#
ADRDY#
DEFER#
HITM#
HIT#
HLOCK#
BREQ0#
BNR#
BPRI#
DBSY#
RS0#
RS1#
RS2#
CPURST#
PWROK#
HDRCOMP
HDSWING
HDVREF
HD0
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HD8
HD9
HD10
HD11
HD12
HD13
HD14
HD15
HD16
HD17
HD18
HD19
HD20
HD21
HD22
HD23
HD24
HD25
HD26
HD27
HD28
HD29
HD30
HD31
HD32
HD33
HD34
HD35
HD36
HD37
HD38
HD39
HD40
HD41
HD42
HD43
HD44
HD45
HD46
HD47
HD48
HD49
HD50
HD51
HD52
HD53
HD54
HD55
HD56
HD57
HD58
HD59
HD60
HD61
HD62
HD63
PROCHOT#
BSEL0
BSEL1
VGA
AGP
HUB
CSA
BGA2D
SPDG MCH
Y7
W5
AA3
U2
U6
H4
AB4
V11
AB5
W11
AB2
N6
M7
AC2
AC3
AD2
R10
R9
M4
M5
N3
N5
N2
AF5
AG3
AK2
AG5
AK5
AL3
AL2
AL4
AJ2
AH2
AJ3
AH5
AH4
AD4
AE3
AE2
AK7
AH7
AD11
AF7
AD7
AC10
AF8
AG7
AE9
AH9
AG6
AJ6
AJ5
AG2
AF2
AF4
G4
AP8
AJ8
AK4
AG10
AG9
AN35
AP34
AR1
AC6
AC5
AE6
AC11
AD5
AE5
AA10
AC9
AB11
AB7
AA9
AA6
AA5
W10
AA11
W6
W9
V7
V4
V5
AA2
Y4
Y2
W2
Y5
V2
W3
U3
T2
T4
T5
R2
P2
P5
P4
M2
U11
T11
R6
P7
R3
R5
U9
U10
U5
T7
H3
F2
F4
E4
H6
G5
H7
G6
G3
E2
D2
A3
A33
A35
AF13
AF23
AJ12
AN1
AP2
AR3
AR33
AR35
B2
B25
B34
C1
C23
C35
E26
M31
R25
GCBE0
GCBE1
GCBE2
GCBE3
GFRAME
GCLKIN
GDEVSEL
GIRDY
GTRDY
GSTOP
GPAR/ADD_DETECT
GREQ
GGNT
GRCOMP
GSWING
GVREF
GRBF
GWBF
DBI_HI
DBI_LO
GST0
GST1
GST2
HI0
HI1
HI2
HI3
HI4
HI5
HI6
HI7
HI8
HI9
HI10
HISTRF
HISTRS
HI_RCOMP
HI_SWING
HI_VREF
CI0
CI1
CI2
CI3
CI4
CI5
CI6
CI7
CI8
CI9
CI10
CISTRF
CISTRS
CI_RCOMP
CI_SWING
CI_VREF
DREFCLK
EXTTS#
ICH_SYNC#
RSTIN#
RESERVED_1
RESERVED_2
RESERVED_3
RESERVED_4
RESERVED_5
GADSTBF0
GADSTBS0
GAD0
GAD1
GAD2
GAD3
GAD4
GAD5
GAD6
GAD7
GAD8
GAD9
GAD10
GAD11
GAD12
GAD13
GAD14
GAD15
GADSTBF1
GADSTBS1
GAD16
GAD17
GAD18
GAD19
GAD20
GAD21
GAD22
GAD23
GAD24
GAD25
GAD26
GAD27
GAD28
GAD29
GAD30
GAD31
GSBSTBF
GSBSTBS
GSBA0#
GSBA1#
GSBA2#
GSBA3#
GSBA4#
GSBA5#
GSBA6#
GSBA7#
DDCA_DATA
DDCA_CLK
RED
RED#
GREEN
GREEN#
BLUE
BLUE#
HSYNC
VSYNC
REFSET
NC_1
NC_2
NC_3
NC_4
NC_5
NC_6
NC_7
NC_8
NC_9
NC_10
NC_11
NC_12
NC_13
NC_14
NC_15
NC_16
NC_17
NC_18
NC_19
NC_20
R110 0
C112
10P
R405
200_1%
U4
74AHC1G08(SC-88A)
2
1
4
3
5
C659
0.1U
R65
10K(R)
T15
T270
HD[0..63] [2]HA[3..31][2]
HADSTB0#[3]
HADSTB1#[3]
HDBI0#[3]
HDBI1#[3]
HDBI2#[3]
HDBI3#[3]
HTRDY#[3]
DEFER#[3]
G_AD[0..31] [11]
AD_STB0 [11]
AD_STB0# [11]
AD_STB1 [11]
AD_STB1# [11]
G_CBE#[0..3][11]
ST[0..2][11]
G_FRAME#[11]
G_IRDY#[11]
G_TRDY#[11]
G_STOP#[11]
G_PAR[11]
CPU66IN_MCH[5]
G_DEVSEL#[11]
BSEL0 [5]
BSEL1 [5]
MCHCLK[5]
MCHCLK#[5]
HDSTBP0#[3]
HDSTBN0#[3]
HDSTBP1#[3]
HDSTBN1#[3]
HDSTBN2#[3]
HDSTBP2#[3]
HDSTBP3#[3]
HDSTBN3#[3]
ADS#[3]
HDRDY#[3]
HIT#[3]
HITM#[3]
HLOCK#[3]
BR0#[3]
BNR#[3]
BPRI#[3]
DBSY#[3]
HCPURST#[3]
PWROK_GMCH
G_REQ#[11]
G_GNT#[11]
G_WBF#[11]
G_RBF#[11]
DB_HI[11]
DB_LO[11]
HL[0..10][19]
HLSTBF[19]
HLSTBS[19]
SBA[0..7] [11]
SB_STB [11]
SB_STB# [11]
PROCHOT# [3]
HREQ0#[2]
HREQ1#[2]
HREQ2#[2]
HREQ3#[2]
HREQ4#[2]
HUBREF [19]
HUBSWING [19]
HUBSWING[19]
HUBREF[19]
HRS0#[2]
HRS1#[2]
HRS2#[2]
ICHSYNC#[18]
PCIRST#[11,18,19,22,25,27,28]
HGTLREF [3]
SUSB#[18,28]
PWROK[18,32]
G_PAR[11]
VCC3 [18,19,20,21,22,25,27,29,30,32,33,34,35,36,37]
VCC1.5S [10,16,19,32]
GMCHVCCP [10,35]
CLOSE TO GMCH
Please near GMCH
CLOSE TO GMCH
DIVIDER PLACE MIDDDLE
BETWEEN GMCH AND ICH
CLOSE TO GMCH