Service manual
Schematic Diagrams
650-1 (Host/AGP) - 1 of 4 (71-M1900-D02) B - 7
Schematic Diagrams
650-1 (Host/AGP) - 1 of 4
Sheet 5 of 34
650-1 (Host/AGP)
1 of 4
+3VS
+3VS
VCCP
VCCP
VCCP
+3VS
+3VS
+3VS
+3VS
HCLK-650(4)
HCLK-650#(4)
DEFER#(3)
HTRDY#(3)
CPURST#(3)
CPUPWRGD(3)
BPRI#(3)
BREQ0#(3)
HDSTBP#[0..3] (3)
HDSTBN#[0..3] (3)
DBI#[0..3] (3)
HD#[0..63] (2)
HITM#(3)
HIT#(3)
DRDY#(3)
ADS#(3)
DBSY#(3)
BNR#(3)
VAD[0..11] (9)
VBD[0..11] (9)
VBHSYNC (9)
VBVSYNC (9)
ENABKKL#(13)
VDD_EN#(10)
VBDE (9)
AGPCLK (4)
VBCLK (9)
VBGCLK (9)
HLOCK#(3)
RS#0(2)
RS#1(2)
RS#2(2)
HREQ#0(2)
HREQ#1(2)
HREQ#2(2)
HREQ#3(2)
HREQ#4(2)
HASTB#0(3)
HASTB#1(3)
HA#[3..31](2)
ENABKKL#(13)
HLOCK#
DEFER#
HTRDY#
CPURST#
CPUPWRGD
BPRI#
BREQ0#
RS#2
RS#1
RS#0
ADS#
HITM#
HIT#
DRDY#
DBSY#
BNR#
HREQ#4
HREQ#3
HREQ#2
HREQ#1
HREQ#0
HASTB#1
HASTB#0
HA#31
HA#30
HA#29 AGPCLK
HA#28
HA#27 AGPRCOMP
HA#26
HA#25 A1XAVDD
HA#24 A1XAVSS
HA#23
HA#22 A4XAVDD
HA#21 A4XAVSS
HA#20
HA#19 AVREFGC
HA#18
HA#17
HA#16
HA#15 HDSTBN#3
HA#14 HDSTBN#2
HA#13 HDSTBN#1
AGPRCOMP
HA#12 HDSTBN#0
HA#11
HA#10 HDSTBP#3
HA#9 HDSTBP#2
HA#8 HDSTBP#1
HA#7 HDSTBP#0
HA#6
HA#5
HA#4
HA#3
HNCOMP
HPCOMP
C1XAVDD C4XAVDD
HNCVREF
C1XAVSS C4XAVSS
HCLK-650#
HCLK-650
A4XAVSS
A1XAVDD
A4XAVDD
A1XAVSS
BGCLKN
AGCLKN
VAD[0..11]
VBD[0..11]
C1XAVSS
C1XAVDD
C4XAVSS
C4XAVDD
HPCOMP
HNCOMP
HNCVREF
VAD7
VAD8
VAD9
VAD10
VAD11
VBD11
VBD10
VBD8
VBD9
VAD1
VAD0
VAD2
VAD3
VBDE
BHSYNC
BVSYNC
BHSYNC
BVSYNC VBDE
AGCLK
BGCLK VBGCLK
HA#[3..31]
DBI#3
DBI#0
DBI#1
DBI#2
DBI#[0..3]
VBD7
VBD2
VBD1
VBD3
VBD0
VBD6
VBD5
VBD4
VAD6
HDSTBN#[0..3]
HDSTBP#[0..3]
HVREF
HVREF
BCLK
ENABKKL#
HD#1
HD#2
HD#26
HD#27
HD#0
HD#3
HD#36
HD#38
HD#37
HD#40
HD#41
HD#39
HD#63
HD#54
HD#59
HD#11
HD#12
HD#60
HD#53
HD#58
HD#56
HD#55
HD#57
HD#8
HD#15
HD#9
HD#17
HD#6
HD#18
HD#16
HD#7
HD#19
HD#10
HD#5
HD#32
HD#[0..63]
HD#45
HD#47
HD#50
HD#49
HD#44
HD#43
HD#46
HD#48
HD#23
HD#25
HD#24
HD#62
HD#61
HD#28
HD#29
HD#4
HD#14
HD#30
HD#13
HD#31
HD#35
HD#33
HD#34
HD#42
HD#51
HD#52
HD#20
HD#21
HD#22
ENABKKL#
VAD5
VAD4
T
T
T
T
T
C442
0.01UF
C397
10UF/16V
C281
0.1UF
C285
0.01UF
C347
10UF/16V
C330
0.1UF
C337
0.01UF
L62
BK1608HS121
1 2
L60
BK1608HS121
1 2
L49
BK1608HS121
1 2
L52
BK1608HS121
1 2
R341
113_1%
R329
150 1%
R328
75 1%
R268 60_1%
C385
0.01UF
C292 0603(R)
C305
10PF(R)
C421
0.01UF
C422
0.01UF
C387
0.01UF
C420
0.1UF
C429
10UF/16V
C441
0.1UF
C89
0.01UF
C418
10UF/16V
C447
0.1UF
T
T
T
T
T
T
R279 0(R)
R264
22
R274 8.2K
R271 22
R266 22
R270 22
R37 4.7K
R280 0
R278 0
R284 0(R)
R318
20_1%
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
N14 N15
N11
N8
R338
75_1%
R337
150_1%
T
T
T
T
T
U3A
SIS650
AJ26
AH26
U24
U26
V26
C20
D19
T27
U25
T24
T26
U29
V28
T28
U28
W26
V24
V27
W28
W29
W24
W25
Y27
AD24
AA24
AF26
AE25
AH28
AD26
AG29
AE26
AF28
AC24
AG28
AE29
AD28
AC25
AD27
AE28
AF27
AB24
AB26
AC28
AC26
AC29
AA26
AB28
AB27
AA25
AA29
AA28
Y26
Y24
Y28
B21
F19
A21
E19
D22
D20
B22
C22
B23
A23
D21
F22
D24
D23
C24
B24
E25
E23
D25
A25
C26
B26
B27
D26
B28
E26
F28
G25
F27
F26
G24
H24
G29
J26
G26
J25
H26
G28
H28
J24
K28
J29
K27
J28
M24
L26
K26
L25
L28
M26
P26
L29
N24
N26
M27
N28
P27
N29
R24
R28
M28
P28
R26
R29
F21
F24
L24
N25
F20
F23
K24
P24
M3
M2
B8
A8
B9
A9
M1
B10
C1
D1
K1
L1
B5
A4
D10
B3
C4
E8
F8
D9
H3
C9
A6
G2
G1
G3
G4
H5
H1
F6
F3
H4
K5
AH25
AJ25
AH27
AJ27
U21
T21
P21
N21
J17
B20
B19
A19
A7
F9
B7
M6
M5
M4
L3
L6
L4
K6
L2
K3
J3
K4
J2
J6
J4
J1
H6
F4
F1
G6
E3
F5
E2
E4
E1
D3
D4
C2
F7
C3
E6
B2
D5
D6
A3
D7
C5
A5
C6
D8
C7
E21
A27
H27
R25
CPUCLK
CPUCLK#
HLOCK#
DEFER#
HTRDY#
CPURST#
CPUPWRGD
BPRI#
BREQ0#
RS#2
RS#1
RS#0
ADS#
HITM#
HIT#
DRDY#
DBSY#
BNR#
HREQ#4
HREQ#3
HREQ#2
HREQ#1
HREQ#0
HASTB#1
HASTB#0
HA#31
HA#30
HA#29
HA#28
HA#27
HA#26
HA#25
HA#24
HA#23
HA#22
HA#21
HA#20
HA#19
HA#18
HA#17
HA#16
HA#15
HA#14
HA#13
HA#12
HA#11
HA#10
HA#9
HA#8
HA#7
HA#6
HA#5
HA#4
HA#3
HD#63
HD#62
HD#61
HD#60
HD#59
HD#58
HD#57
HD#56
HD#55
HD#54
HD#53
HD#52
HD#51
HD#50
HD#49
HD#48
HD#47
HD#46
HD#45
HD#44
HD#43
HD#42
HD#41
HD#40
HD#39
HD#38
HD#37
HD#36
HD#35
HD#34
HD#33
HD#32
HD#31
HD#30
HD#29
HD#28
HD#27
HD#26
HD#25
HD#24
HD#23
HD#22
HD#21
HD#20
HD#19
HD#18
HD#17
HD#16
HD#15
HD#14
HD#13
HD#12
HD#11
HD#10
HD#9
HD#8
HD#7
HD#6
HD#5
HD#4
HD#3
HD#2
HD#1
HD#0
HDSTBP#3
HDSTBP#2
HDSTBP#1
HDSTBP#0
HDSTBN#3
HDSTBN#2
HDSTBN#1
HDSTBN#0
AGPVREF
AGPVSSREF
A4XAVDD
A4XAVSS
A1XAVDD
A1XAVSS
AGPRCOMP
AGPCLK
VBGCLK/AD_STB1
VBGCLKN/AD_STB#1
VAGCLK/AD_STB0
VAGCLKN/AD_STB#0
SB_STB
SB_STB#
NC
NC
NC
VBHCLK/RBF#
VGPIO2/WBF#
VGPIO3/PIPE#
APAR
VBCAD/AREQ#
AGNT#
AFRAME#
AIRDY#
ATRDY#
ADEVSEL#
ASERR#
ASTOP#
AC/BE#3
AC/BE#2
AC/BE#1
AC/BE#0
C1XAVSS
C1XAVDD
C4XAVSS
C4XAVDD
HVREF0
HVREF1
HVREF2
HVREF3
HVREF4
HPCOMP
HNCOMP
HNCOMPVREF
ST0
ST1
ST2
VBD7/AAD0
VBD6/AAD1
VBD5/AAD2
VBD4/AAD3
VBD3/AAD4
VBD2/AAD5
CBD1/AAD6
CBD0/AAD7
VAD6/AAD8
VAD5/AAD9
VAD4/AAD10
VAD7/AAD11
VAD8/AAD12
VAD9/AAD13
VAD10/AAD14
VAD11/AAD15
VADE/AAD16
VAVSYNC/AAD17
VAHSYNC/AAD18
VBD11/AAD19
VBD10/AAD20
VBD8/AAD21
VBD9/AAD22
VAD1/AAD23
VAD0/AAD24
VAD2/AAD25
VAD3/AAD26
VBDE/AAD27
VBCTL0AAD28
VBCTL1/AAD29
VBHSYNC/AAD30
VBVSYNCAAD31
SBA7
SBA6
SBA5
SBA4
SBA3
SBA2
SBA1
VBCLK/SBA0
DBI#3
DBI#2
DBI#1
DBI#0
T
T
T
T
T
T
650-1
AGP
HOST
Rds-on(n) = 10 ohm
Rds-on(p) = 56 ohm
HNCVERF = 1/3 VCCP
HPCVERF = 2/3 VCCP
place this
capacitor
under 650 solder
side
NEAR SIS650
9.06mA
10mA
10mA
10mA
PIN D1 CH7017 CONNECT TO VBGCLKN
SIS301LV NC BUT SIS301LV PULL GND
20MIL 20MIL
20MIL
20MIL