Service manual

Schematic Diagrams
B - 8 Mainboard (71-P3000-004A)
Schematic Diagrams
MCH (CPU, HUB, AGP) - 1 of 2
Sheet 6 of 32
MCH
(CPU, HUB, AGP)
1 of 2
+1.5V
+1.5V
+1.8V
+1.8V
+1.8V
VC ORE
+1.5V
HD0 HD1 HD2 HD3 HD5 HD4 HD6 HD7
HD11 HD10 HD13 HD15
HD9
HD12
HD8
HD14 HD23 HD20 HD16 HD19 HD21 HD22 HD18 HD17 HD31 HD24 HD26 HD28 HD30 HD29 HD25 HD27 HD36 HD35 HD39 HD38 HD32 HD34 HD33 HD37 HD45 HD41 HD43 HD40 HD47 HD44 HD42 HD46 HD50 HD52 HD49 HD53 HD55 HD51 HD54 HD48 HD61 HD57 HD56 HD58 HD59 HD60 HD63 HD62
HD[0..63]
HA3
HA4
HA25
HA7
HA17
HA31
HA30
HA8
HA11
HA26
HA13
HA27
HA[0..31]
HA16
HA9
HA24
HA19
HA18
HA20
HA28
HA6
HA23
HA22
HA21
HA29
HA10
HA14
HA15
HA12
HA5
HL[0..10]
HL0
HL1
HL2
HL3
HL4
HL5
HL6
HL7
HL8
HL9
HL10
Z0507
Z0508
Z0501
Z0502
Z0503
Z0504
Z0505
SBA0
SBA1
SBA2
SBA3
SBA4
SBA5
SBA6
SBA7
SBA[0..7]
ST0
ST2
ST1
ST[0..2]
Z0506
AD _S TB0
AD_STB0#
AD _S TB1
AD_STB1#
SB_STB
SB_STB#
VR BF#
WBF#
PIPE#
MCH66IN
MCH66IN
VR BF#
PIPE#
AD _S TB0
AD _S TB1
SB_STB
SB_STB#
AD_STB1#
AD_STB0#
WBF#
Z0509
C625
10U/10V
12
C688
10U/10V
12
C642
10U/10V
12
C673
10U/10V
12
C581
10U/10V
12
C155
22U/10V
12
R367 10K1 2
R368 10K1 2
R352 10K1 2
R353 10K1 2
R84 10K1 2
R361 10K1 2
R362 10K1 2
R360 10K1 2
T29
T30
C306
10U/10V
12
T24
C734
10U/10V
12
T25
T26
R85 *4.7K1 2
T27
T28
R350 *10K1 2
R83 10K1 2
R369 10K1 2
R366 10K1 2
R363 10K1 2
R82 10K1 2
R364 10K1 2
R365 10K1 2
C819
0.1U_X7R
12
C225
0.1U_X7R
12
C931
0.1U_X7R
12
C933
0.1U_X7R
12
C946
0.1U_X7R
12
C935
0.1U_X7R
12
C908
0.1U_X7R
12
R349 10K1 2
C934
0.1U_X7R
12
C299
0.1U_X7R
12
C936
0.1U_X7R
12
C222
0.1U_X7R
12
C307
0.1U_X7R
12
R351 *R1 2 C129 *C1 2
C220
0.1U_X7R
12
C937
0.1U_X7R
12
CPU
AGP
Hub
Interface
CLK/RESET
U10A
850(MCH)
AE6
AF1 0
AB1 0
AB1 1
AC 8
AF8
Y1 0
L8
L7
R8
U8
AE1 0
AA5
Y5
AE1
AB3
AA3
AB4
AD 2
AB6
AD 5
W6
V8
W7
AF1
U7
AA6
AE3
AD 6
AC 5
AF5
AF2
AE4
AC 4
Y7
AA8
AF4
AB7
AC 7
AD 3
AD 8
T7
Y8
A4 G8 B1 G7 G6 B2 A3 H8 B4 F5 C3 E4 G4 J8 C2 D4 H5 D3 H4 K6 F3 J5 G3 E2 D1 H2 J2 F2 M5 K3 J3 E1 K1 L2 L4 N4 J1 M2 M3 L1 P4 N3 P2 N1 P1 P5 R2 R3 T3 U5 R5 T6 T1 U4 U2 V3 W4 Y1 Y2 AA2 AC1 W3 U1 AB1
H7
L5
N7
T4
J6
K4
N6
R6
AA1 1
AC 10
AD 9
AA9
Y1 1
AB9
AE9
Y4
U9
V5
AC 2
V6
Y1 2
W12
AF1 3
AE1 3
AB1 3
AA1 3
Y1 3
AF1 4
AB1 2
AC 12
AA1 2
AF1 2
AE1 2
AD 12
AC 23
AB1 6
AC 22
AB1 5
AD 13
AC 13
W9
W10
V1 6
E21
E20
AF1 1
AE1 1
C23
B24
A2 4
A2 3
A2 2
A2 1
B21
A2 0
C20
D22
D21
C21
B22
AF24 U24 T24 N24 M24 K24 F24 C24 AB23 AA23 V23 T23 N23 L23 J23 G23 AD22 W22 U22 R22 P22 M22 K22 H22 F22 C22 V21 T21 N21 L21 J21 G21 AE20 AD20 AB20 W20 U20 R20 P20 M20 K20 H20 F20 D20 Y19 V19 T19 N19 L19 J19 G19 E19 C19 A19 AC18 U18 T18 R18 P18 N18 M18 L18 K18 J18 H18 G18 F18 D18 B18 V17
E5
D5
W18
V1 8
L22
M2 1
D12
C11
V1 1
AD S#
BNR#
BPRI#
BR0#
CPURST#
DBSY#
DEFER#
DBI0#
DBI1#
DBI2#
DBI3#
DRDY#
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#
HADSTB0#
HADSTB1#
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#
HDSTBP0#
HDSTBP1#
HDSTBP2#
HDSTBP3#
HDSTBN0#
HDSTBN1#
HDSTBN2#
HDSTBN3#
HIT#
HITM#
HLOCK#
HTRDY#
RS0#
RS1#
RS2#
HREQ0#
HREQ1#
HREQ2#
HREQ3#
HREQ4#
SBA0
SBA1
SBA2
SBA3
SBA4
SBA5
SBA6
SBA7
PIPE#
RBF#
WBF#
ST0
ST1
ST2
AD _S TB0
AD _S TB1
AD _S TB0 #
AD _S TB1 #
SB_STB
SB_STB#
BCLK0
BCLK1
66IN
CHA_HCLKOUT
CHA_RCLKOUT
RSTIN#
TESTIN#
HL_A0
HL_A1
HL_A2
HL_A3
HL_A4
HL_A5
HL_A6
HL_A7
HL_A8
HL_A9
HL_A10
HLA_STB
HLA_STB#
VSS1 VSS2 VSS3 VSS4 VSS5 VSS6 VSS7 VSS8 VSS9 VSS10 VSS11 VSS12 VSS13 VSS14 VSS15 VSS16 VSS17 VSS18 VSS19 VSS20 VSS21 VSS22 VSS23 VSS24 VSS25 VSS26 VSS27 VSS28 VSS29 VSS30 VSS31 VSS32 VSS33 VSS34 VSS35 VSS36 VSS37 VSS38 VSS39 VSS40 VSS41 VSS42 VSS43 VSS44 VSS45 VSS46 VSS47 VSS48 VSS49 VSS50 VSS51 VSS52 VSS53 VSS54 VSS55 VSS56 VSS57 VSS58 VSS59 VSS60 VSS61 VSS62 VSS63 VSS64 VSS65 VSS66 VSS67 VSS68 VSS69 VSS70
CHB_RCLKOUT
CHB_HCLKOUT
NC
NC
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
CN36
¥ü¦° / A019-194-02-240
850 HEAT SINK HOOK
CN37
¥ü¦° / A019-194-02-240
850 HEAT SINK HOOK
C591
22U/10V
12
C314
22U/10V
12
C592
22U/10V
12
C267
10U/10V
12
C735
10U/10V
12
C252
10U/10V
12
C305
10U/10V
12
C732
10U/10V
12
HD[0..63][3]
HA[0..31][3]
HREQ0#[3]
HREQ1#[3]
HREQ2#[3]
HREQ3#[3]
HREQ4#[3]
HRS0#
HRS1#
HRS2#
HDBI0#[4]
HDBI1#[4]
HDBI2#[4]
HDBI3#[4]
HDSTBN0#[4]
HDSTBN1#[4]
HDSTBN2#[4]
HDSTBN3#[4]
HDSTBP0#[4]
HDSTBP1#[4]
HDSTBP2#[4]
HDSTBP3#[4]
HDRDY#[4]
HITM#[4]
HIT#[4]
HLOCK#[4]
BNR#[4]
AD S#[4]
BR0#[4]
BPRI#[4]
DBSY#[4]
DEFER#[4]
HTRDY#[4]
HCPURST#[4]
HADSTB0#[4]
HADSTB1#[4]
HL_STB# [15]
HL_STB [15]
HL[0..10] [15]
MCHCLK [1]
MCHCLK# [1]
CHA_HCLK [2]
CHB_HCLK [2]
CHB_RCLK [2]
CHA_RCLK [2]
SBA[0..7] [9]
ST[0..2] [9]
SYSPCIRST# [15]
AD _S TB0 [9 ]
AD _S TB1 [9 ]
AD_STB0# [9]
AD_STB1# [9]
SB_STB [9]
SB_STB# [9]
VR BF# [9 ]
MCH66IN [1]
GFRAME#[6,9]
GTRDY#[6,9]
GIRDY#[6,9]
GREQ#[9]
GSTOP#[6,9]
GPAR[6,9]
GGNT#[9]
GDEVSEL#[6,9]
+1.8V [27,28]
+1.5V [9,27,28]
VCORE [15,26]
FOR DEBUG ONLY
+-10mils
R: 4K~16K,
Recommand 8.2k.
TRACE Keep to less than 0.1"
(AGP 1X:0.5", 2X/4X: 0.1")
CLOSE MCH