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Clevo 2700C User Manual

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B - 4
Service Manual
71-22C00-D02
A
630(NORTHBRIDGE)
Custom
4
31
0200-04.SCH
Monday, March 05, 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)
HCLK63 0S
(3)
CPURS T#
(1)
BNR#
(1)
B REQ0#
(1)
HREQ#2
(1)
MDD[0..63]
(6)
DBS Y#
(1)
HLOCK#
(1)
HT RDY#
(1)
RS#0
(1)
630 SCKE
(6)
ADS#
(1)
HREQ#3
(1)
DEFER#
(1)
DRDY#
(1)
HIT M#
(1)
RS#1
(1)
DCLKREF
(3)
HREQ#4
(1)
HREQ#0
(1)
BPRI#
(1)
HIT#
(1)
RS#2
(1)
RAMW#
SRAS#
SCAS#
ADS#
MD
D
5
5
MD
D
4
8
MD
D
4
5
MD
D
4
1
MD
D
2
3
MD
D
1
9
HCLK63 0S
ADS#
Z578
Z551
IMA9
IDQM0
630SCKE
MD
D
6
3
MD
D
5
9
MD
D
5
8
MD
D
3
2
MD
D
2
1
MD
D
8
MD
D
4
HD
#6
3
HD
#2
7
HD
#1
0
HD#
9
HD#
2
IMA6
MD
D
4
0
MD
D
3
0
MD
D
9
BNR#
HIT#
HREQ#3
HREQ#2
HD
#3
1
IMA12
IDQM1
DCLKREF
MD
D
3
6
MD
D
3
4
MD
D
2
5
MD
D
1
0
MD
D
0
HLOCK#
HREQ#4
Z34
HD
#6
1
HD
#6
0
HD
#4
5
HD
#4
3
HD
#4
2
HD
#3
6
Z550
IMA10
IMA4
MD
D
5
4
MD
D
4
7
MD
D
1
4
MD
D
3
HD
#5
4
HD
#4
8
HD
#1
7
IDQM3
HD
#5
8
HD
#5
7
HD
#3
7
HD
#3
0
HD
#1
4
Z577
IMA1
Z31
MD
D
5
7
MD
D
3
1
MD
D
2
9
HD
#2
1
HD#
4
IMA7
HD#[0..63]
MD
D
1
6
HD#
7
HD#
6
HD#
3
HD#
0
ICSA#3
ICSA#1
Z547
IMA11
MD
D
4
4
MD
D
4
2
MD
D
1
3
MD
D
1
HD
#5
3
HD
#5
2
HD
#4
1
HD
#3
2
HD
#2
8
HD
#2
3
IMA2
IDQM4
MD
D
5
0
MD
D
2
7
MD
D
2
2
MD
D
1
1
RS#2
HREQ#1
HD#
5
IMA14
IMA3
MD
D
5
3
MD
D
2
4
MD
D
6
HD
#3
8
HD
#2
4
HD
#2
2
HD
#1
9
HD
#1
5
HD
#1
3
Z549
IDQM7
MD
D
6
0
MD
D
3
8
MD
D
3
3
MD
D
2
8
MD
D
1
2
BPRI#
HREQ#0
HD
#4
9
HD
#4
6
HD
#4
0
IMA0
IDQM2
Z30
MD
D
3
7
MD
D
1
5
HD
#4
7
HD
#3
5
HD
#2
0
HD
#1
8
HD
#1
2
HD#
1
IMA13
IMA8
GTLREF
MD
D
6
1
MD
D
5
1
MD
D
4
6
MD
D
3
5
HIT M#
BREQ0#
RS#1
RS#0
HD
#6
2
HD
#5
6
HD
#5
5
HD
#5
1
HD
#3
9
HD
#2
6
HD
#2
5
MDD[0..63]
MD
D
3
9
MD
D
2
6
MD
D
5
MD
D
2
CPURST#
DEFER#
DRDY#
HT RDY#
HD
#5
9
HD
#3
4
Z552
Z548
IMA5
IDQM6
MD
D
6
2
MD
D
1
8
MD
D
1
7
MD
D
7
HD
#4
4
HD
#2
9
HD
#1
6
HD
#1
1
HD#
8
IDQM5
Z32
MD
D
5
6
MD
D
5
2
MD
D
4
9
MD
D
4
3
MD
D
2
0
DBSY#
HD
#5
0
HD
#3
3
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
C75
100 0P
C76
100 0P
C360
0.0 1U
R77
0
+
C359
1 0U
R275
7 5  (1%)
C338
1U
R78
56 (R)
C86
.1U
TP83
TP72
R178
10
TP102
TP100
TP82
R176
10
TP99
TP98
TP101
R284
15 0 (1%)
R177
10
D
R
A
M
 IN
TE
RF
AC
E
DRAM INTERFACE
HOST DATA BUS
H
OST
 INT
E
RFA
C
E
Si S63 0S
U6A
T2
5
W2
8
W2
7
Y2
9
Y2
7
Y2
6
AA
2
8
AA
2
6
AB
2
8
AB
2
6
AC
2
9
AC
2
7
AC
2
5
AD
2
8
AD
2
7
Y2
5
AG
2
2
AJ
2
2
AF
2
1
AH
2
1
AF
2
0
AH
2
0
AJ
2
0
AG
1
9
AJ
1
9
AF
1
8
AH
1
8
AF
1
7
AG
1
7
AJ
1
7
AF
1
6
AH
1
6
T2
4
W2
9
U2
5
W2
6
Y2
8
V2
5
AA
2
9
AA
2
7
AB
2
9
AB
2
7
V2
4
AC
2
8
AC
2
6
AD
2
9
W2
5
AD
2
6
AF
2
2
AH
2
2
AE
2
3
AG
2
1
AJ
2
1
AG
2
0
AE
2
2
AF
1
9
AH
1
9
AE
1
8
AG
1
8
AJ
1
8
AD
2
0
AH
1
7
AE
2
1
AG
1
6
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
T 27
U28
R24
T 29
P25
G28
V26
R25
U29
R27
T 26
T 28
R28
P27
V27
AE 19
V28
AE 20
E2
1
A1
9
C1
9
B2
0
B2
1
B1
9
A2
1
A2
0
D1
9
E2
0
D2
0
B2
2
C2
2
C2
0
A2
2
D2
1
A2
3
C2
1
B2
3
C2
3
A2
5
E2
2
D2
2
D2
4
D2
3
C2
5
B2
5
C2
4
E2
5
F2
2
D2
5
E2
3
B2
6
E2
4
C2
6
A2
6
A2
7
D2
6
B2
7
C2
7
B2
8
F2
4
C2
8
D2
8
H2
4
C2
9
E2
6
D2
7
J2
5
E2
8
D2
9
E2
7
H2
5
K2
4
F2
5
F2
7
E2
9
F2
6
L2
5
K2
5
F2
9
F2
8
G2
6
G2
5
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
MD
6
3
MD
6
2
MD
6
1
MD
6
0
MD
5
9
MD
5
8
MD
5
7
MD
5
6
MD
5
5
MD
5
4
MD
5
3
MD
5
2
MD
5
1
MD
5
0
MD
4
9
MD
4
8
MD
4
7
MD
4
6
MD
4
5
MD
4
4
MD
4
3
MD
4
2
MD
4
1
MD
4
0
MD
3
9
MD
3
8
MD
3
7
MD
3
6
MD
3
5
MD
3
4
MD
3
3
MD
3
2
MD
3
1
MD
3
0
MD
2
9
MD
2
8
MD
2
7
MD
2
6
MD
2
5
MD
2
4
MD
2
3
MD
2
2
MD
2
1
MD
2
0
MD
1
9
MD
1
8
MD
1
7
MD
1
6
MD
1
5
MD
1
4
MD
1
3
MD
1
2
MD
1
1
MD
1
0
MD
9
MD
8
MD
7
MD
6
MD
5
MD
4
MD
3
MD
2
MD
1
MD
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]
CPUCLK
CPURST#
ADS#
BNR#
B PRI#
DBS Y#
DEFER#
DRDY#
HIT#
HIT M#
HLOCK#
HT RDY#
B REQ0#
RS#[2]
RS#[1]
RS#[0]
HREQ#[4]
HREQ#[3]
HREQ#[2]
HREQ#[1]
HREQ#[0]
CPUAVDD
SDAVDD
CPUAVS S
SDAVSS
H
D
#63
H
D
#62
H
D
#61
H
D
#60
H
D
#59
H
D
#58
H
D
#57
H
D
#56
H
D
#55
H
D
#54
H
D
#53
H
D
#52
H
D
#51
H
D
#50
H
D
#49
H
D
#48
H
D
#47
H
D
#46
H
D
#45
H
D
#44
H
D
#43
H
D
#42
H
D
#41
H
D
#40
H
D
#39
H
D
#38
H
D
#37
H
D
#36
H
D
#35
H
D
#34
H
D
#33
H
D
#32
H
D
#31
H
D
#30
H
D
#29
H
D
#28
H
D
#27
H
D
#26
H
D
#25
H
D
#24
H
D
#23
H
D
#22
H
D
#21
H
D
#20
H
D
#19
H
D
#18
H
D
#17
H
D
#16
H
D
#15
H
D
#14
H
D
#13
H
D
#12
H
D
#11
H
D
#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
CK E
VSSQA
VSSQB
GTLVREFA
GTLVREFB