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Clevo 2700T
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B - 4
Service Manual
Sheet 4 of 31
71-22T00-D03
A
630(NORTHBRIDGE)
Custom
431
0200-04.SCH
Tuesday , September 11, 2001
Title
Size Document Number Rev
Date: Sheet
of
ÂÅ ¤Ñ ¹q ¸£ CLEVO CO.
VCC3
VCCT
VCCT
HD#[0..63](1)
SRAS# (5)
RAMW# (5)
SCAS# (5)
HA#[3..31](1)
ICSA#[0..3] (6)
IMA[0..14] (6)
IDQM[0..7] (6)
GTLREF (2)
HREQ#1(1)
HCLK630S(3)
CPURST#(1)
BNR#(1)
BREQ0#(1)
HREQ#2(1)
DBSY#(1)
HLOCK#(1)
HTRDY#(1)
RS#0(1)
630SCKE (6)
ADS#(1)
HREQ#3(1)
DEFER#(1)
DRDY#(1)
HITM#(1)
RS#1(1)
DCLKREF (3)
HREQ#4(1)
HREQ#0(1)
BPRI#(1)
HIT#(1)
RS#2(1)
MD[0..63] (3,5,6,9)
RAMW#
SRAS#
SCAS#
ADS#
HCLK630S
ADS#
Z578
Z551
IMA9
IDQM0
630SCKE
HD#63
HD#27
HD#10
HD#9
HD#2
IMA6
BNR#
HIT#
HREQ#3
HREQ#2
HD#31
IMA12
IDQM1
DCLKREF
HLOCK#
HREQ#4
Z34
HD#61
HD#60
HD#45
HD#43
HD#42
HD#36
Z550
IMA10
IMA4
HD#54
HD#48
HD#17
IDQM3
HD#58
HD#57
HD#37
HD#30
HD#14
Z577
IMA1
Z31
HD#21
HD#4
IMA7
HD#[0..63]
HD#7
HD#6
HD#3
HD#0
ICSA#3
ICSA#1
Z547
IMA11
HD#53
HD#52
HD#41
HD#32
HD#28
HD#23
IMA2
IDQM4
RS#2
HREQ#1
HD#5
IMA14
IMA3
HD#38
HD#24
HD#22
HD#19
HD#15
HD#13
Z549
IDQM7
BPRI#
HREQ#0
HD#49
HD#46
HD#40
IMA0
IDQM2
Z30
HD#47
HD#35
HD#20
HD#18
HD#12
HD#1
IMA13
IMA8
GTLREF
HITM#
BREQ0#
RS#1
RS#0
HD#62
HD#56
HD#55
HD#51
HD#39
HD#26
HD#25
CPURST#
DEFER#
DRDY#
HTRDY#
HD#59
HD#34
Z552
Z548
IMA5
IDQM6
HD#44
HD#29
HD#16
HD#11
HD#8
IDQM5
Z32
DBSY#
HD#50
HD#33
ICSA#2
ICSA#0
HA#19
HA#15
HA#10
HA#28
HA#7
HA#4
HA#3
HA#27
HA#16
HA#14
HA#5
HA#24
HA#22
HA#29
HA#31
HA#26
HA#11
HA#17
HA#8
HA#30
HA#18
HA#13
HA#25
HA#6
HA#20
HA#9
HA#12
HA#21
HA#23
MD51
MD6
MD19
MD36
MD0
MD2
MD46
MD28
MD61
MD21
MD8
MD59
MD63
MD48
MD3
MD53
MD5
MD41
MD37
MD39
MD60
MD31
MD25
MD30
MD47
MD56
MD34
MD17
MD35
MD13
MD26
MD33
MD11
MD23
MD57
MD55
MD38
MD40
MD32
MD22
MD12
MD54
MD29
MD24
MD1
MD42
MD58
MD4
MD7
MD52
MD18
MD45
MD50
MD43
MD49
MD62
MD44
MD27
MD14
MD16
MD9
MD20
MD15
MD10
MD[0..63]
C360
0.01U
C76
1000P
C75
1000P
R284
150 (1%)
R176 10
R178 10
+
C359
10U
R77 0
TP83
C338
1U
R275
65 (1%)
R177 10
TP98
TP99
TP100
TP72
TP102
C86
.1U
R78 56(R)
TP101
DRAM INTERFACE
DRAM INTERFACE
HOST DATA BUS
HOST INTERFACE
SiS630ST
U6A
T25
W28
W27
Y29
Y27
Y26
AA28
AA26
AB28
AB26
AC29
AC27
AC25
AD28
AD27
Y25
AG22
AJ22
AF21
AH21
AF20
AH20
AJ20
AG19
AJ19
AF18
AH18
AF17
AG17
AJ17
AF16
AH16
T24
W29
U25
W26
Y28
V25
AA29
AA27
AB29
AB27
V24
AC28
AC26
AD29
W25
AD26
AF22
AH22
AE23
AG21
AJ21
AG20
AE22
AF19
AH19
AE18
AG18
AJ18
AD20
AH17
AE21
AG16
M24
H26
G29
J26
H29
H27
K27
H28
J29
J27
K26
J28
K28
L26
L27
L28
K29
M25
M26
M27
L29
N25
N28
M28
M29
N29
N26
P24
N27
V29
G27
U26
P28
R29
U27
R26
T27
U28
R24
T29
P25
G28
V26
R25
U29
R27
T26
T28
R28
P27
V27
AE19
V28
AE20
E21
A19
C19
B20
B21
B19
A21
A20
D19
E20
D20
B22
C22
C20
A22
D21
A23
C21
B23
C23
A25
E22
D22
D24
D23
C25
B25
C24
E25
F22
D25
E23
B26
E24
C26
A26
A27
D26
B27
C27
B28
F24
C28
D28
H24
C29
E26
D27
J25
E28
D29
E27
H25
K24
F25
F27
E29
F26
L25
K25
F29
F28
G26
G25
AE24
AG24
AF24
AJ25
AH25
AG25
AF28
AF29
AA25
AE25
AE26
AE27
AB25
AF27
AF26
AG29
AG28
AG27
AH28
AB24
AH27
AD24
AJ27
AG26
AH26
AJ26
AF25
Y24
AE28
AF23
AG23
AD25
AE29
AJ24
AD22
AH23
AH24
AJ23
AJ16
E9
B24
P26
P29
A24
MD63
MD62
MD61
MD60
MD59
MD58
MD57
MD56
MD55
MD54
MD53
MD52
MD51
MD50
MD49
MD48
MD47
MD46
MD45
MD44
MD43
MD42
MD41
MD40
MD39
MD38
MD37
MD36
MD35
MD34
MD33
MD32
MD31
MD30
MD29
MD28
MD27
MD26
MD25
MD24
MD23
MD22
MD21
MD20
MD19
MD18
MD17
MD16
MD15
MD14
MD13
MD12
MD11
MD10
MD9
MD8
MD7
MD6
MD5
MD4
MD3
MD2
MD1
MD0
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]
CPUCLK
CPURST#
ADS#
BNR#
BPRI#
DBSY#
DEFER#
DRDY#
HIT#
HITM#
HLOCK#
HTRDY#
BREQ0#
RS#[2]
RS#[1]
RS#[0]
HREQ#[4]
HREQ#[3]
HREQ#[2]
HREQ#[1]
HREQ#[0]
CPUAVDD
SDAVDD
CPUAVSS
SDAVSS
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
CSA#[5]
CSA#[4]
CSA#[3]
CSA#[2]
CSA#[1]
CSA#[0]
CSB#[5]
CSB#[4]
CSB#[3]
CSB#[2]
CSB#[1]
CSB#[0]
MA[ 14]
MA[ 13]
MA[ 12]
MA[ 11]
MA[ 10]
MA[ 9]
MA[ 8]
MA[ 7]
MA[ 6]
MA[ 5]
MA[ 4]
MA[ 3]
MA[ 2]
MA[ 1]
MA[ 0]
DQM[7]
DQM[6]
DQM[5]
DQM[4]
DQM[3]
DQM[2]
DQM[1]
DQM[0]
WE#
SRAS#
SCAS#
SDCLK
CKE
VSSQA
VSSQB
GTLVREFA
GTLVREFB
TP82
C549
4.7U(0805)

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