Schematic Diagrams
MCH (Voltage, PLL, VSS) (71-888E0-D04) - For 888E C - 7
888E Schematic Diags
MCH (Voltage, PLL, VSS)
Sheet 6 of 44
MCH
(Voltage, PLL, VSS)
- (888E)
2.5V_DDR
VCC1.5S
VCORE
VCC1.8S
VCORE
2.5V
VCC1.5S
VCORE
VCC1.8S
VCORE
VCC1.8S
1.25V
VSSGA_VCC1.5_CORE
VSSHA_VCC1.5_CORE
H_RCOMP1
VSSHA
HYSWING
HXSWING
VSSGA
H_RCOMP0
HUBREF_MCH
MCH_GTLREF
GRCOMP
PRCOMP
HXSWING
HYSWING
HUBREF_MCH
DIMM_VREF
AGPREF
C1004
0.1U
C1001
0.1U
Voltage
Reference
/
PLL
Power
VCC1.8
U36C
845MCH
M7
R8
Y8
AB11
J9
J21
AA21
P27
AD25
AC2
AC13
AA7
AD13
J28
R22
R29
U22
U26
W22
W29
AA22
AA26
AB21
AC29
AD21
AD23
AE26
AF23
AG29
AJ25
N14
N16
P13
P15
P17
R14
R16
T15
U14
U16
T17
T13
L25
L29
M22
N23
N26
A5
A9
A13
A17
A21
C1
C29
D7
D11
D15
D19
D23
D25
F6
F10
F14
F18
F22
G1
G4
G29
H8
H10
H12
H14
H16
H18
H20
H22
H24
J5
M8
U8
AA9
AB8
AB18
AB20
AC19
AD18
AD20
AE19
AE21
AF18
AF20
AG19
AG21
AG23
AJ21
AJ23
AB17
P26
A25
J7
K6
K22
K24
K26
L23
G9
G10
G16
G17
H6
H7
H27
J23
J25
K23
K25
AJ19
U13
U17
HVREF0
HVREF1
HVREF2
HVREF3
SDVREF0
SDVREF1
AGPREF
HLRCOMP
GRCOMP
HRCOMP0
HRCOMP1
HSWNG0
HSWNG1
SMRCOMP
VCC1.5_1
VCC1.5_2
VCC1.5_3
VCC1.5_4
VCC1.5_5
VCC1.5_6
VCC1.5_7
VCC1.5_8
VCC1.5_9
VCC1.5_10
VCC1.5_11
VCC1.5_12
VCC1.5_13
VCC1.5_14
VCC1.5_15
VCC1.5_16
VCC1.5_17
VCC1.5_18
VCC1.5_19
VCC1.5_20
VCC1.5_21
VCC1.5_22
VCC1.5_23
VCC1.5_24
VCC1.5_25
VCC1.5_26
VCCA1_1.5_27
VCCA0_1.5_28
VCC1.8_1
VCC1.8_2
VCC1.8_3
VCC1.8_4
VCC1.8_5
VCCSM_1
VCCSM_2
VCCSM_3
VCCSM_4
VCCSM_5
VCCSM_7
VCCSM_8
VCCSM_9
VCCSM_10
VCCSM_11
VCCSM_12
VCCSM_13
VCCSM_14
VCCSM_15
VCCSM_16
VCCSM_17
VCCSM_18
VCCSM_19
VCCSM_20
VCCSM_21
VCCSM_22
VCCSM_23
VCCSM_24
VCCSM_25
VCCSM_26
VCCSM_27
VCCSM_28
VCCSM_29
VCCSM_30
VCCSM_31
VCCSM_32
VTT_1
VTT_2
VTT_3
VTT_4
VTT_5
VTT_6
VTT_7
VTT_8
VTT_9
VTT_10
VTT_11
VTT_12
VTT_13
VTT_14
VTT_15
VTT_16
VTT_17
VTT_18
HVREF4
HI_REF
VCCSM_6
VCCSM_33
VCCSM_34
VCCSM_35
VCCSM_36
VCCSM_37
VCCSM_38
RSVD_1
RSVD_2
RSVD_3
RSVD_4
RSVD_5
RSVD_6
RSVD_7
RSVD_8
RSVD_9
RSVD_10
RSVD_11
VTT_19
VSSA0
VSSA1
A3
A7
A11
A15
A19
A23
A27
D5
D9
D13
D17
D21
E1
E4
E26
E29
F8
F12
F16
F20
F24
G26
H9
H11
H13
H15
H17
H19
H21
J1
J4
J6
J22
J26
J29
K5
K7
K27
L1
L4
L6
L8
L22
L24
L26
M23
N1
N4
N8
N13
N15
N17
N22
N29
P6
P8
P14
P16
R1
R4
R13
R15
R17
R26
T6
T8
T14
T16
T22
U1
U4
U15
U29
V6
V8
V22
W1
W4
W8
G26
Y6
Y22
AA1
AA4
AA8
AA29
AB6
AB9
AB10
AB12
AB13
AB14
AB15
AB16
AB19
AB22
AC1
AC4
AC18
AC20
AC21
AC23
AC26
AD6
AD8
AD10
AD12
AD14
AD16
AD19
AD22
AE1
AE4
AE18
AE20
AE29
AF5
AF7
AF9
AF11
AF13
AF15
AF17
AF19
AF21
AF25
AG1
AG18
AG20
AG22
AH19
AH21
AH23
AJ3
AJ5
AJ7
AJ9
AJ11
AJ13
AJ15
AJ17
AJ27
W26
VSS_1
VSS_2
VSS_3
VSS_4
VSS_5
VSS_6
VSS_7
VSS_8
VSS_9
VSS_10
VSS_11
VSS_12
VSS_13
VSS_14
VSS_15
VSS_16
VSS_17
VSS_18
VSS_19
VSS_20
VSS_21
VSS_22
VSS_23
VSS_24
VSS_25
VSS_26
VSS_27
VSS_28
VSS_29
VSS_30
VSS_31
VSS_32
VSS_33
VSS_34
VSS_35
VSS_36
VSS_37
VSS_38
VSS_39
VSS_40
VSS_41
VSS_42
VSS_43
VSS_44
VSS_45
VSS_46
VSS_47
VSS_48
VSS_49
VSS_50
VSS_51
VSS_52
VSS_53
VSS_54
VSS_55
VSS_56
VSS_57
VSS_58
VSS_59
VSS_60
VSS_61
VSS_62
VSS_63
VSS_64
VSS_65
VSS_66
VSS_67
VSS_68
VSS_69
VSS_70
VSS_71
VSS_72
VSS_73
VSS_74
VSS_75
VSS_76
VSS_77
VSS_78
VSS_79
VSS_80
VSS_81
VSS_82
VSS_83
VSS_84
VSS_85
VSS_86
VSS_87
VSS_88
VSS_89
VSS_90
VSS_91
VSS_92
VSS_93
VSS_94
VSS_95
VSS_96
VSS_97
VSS_98
VSS_99
VSS_100
VSS_101
VSS_102
VSS_103
VSS_104
VSS_105
VSS_106
VSS_107
VSS_108
VSS_109
VSS_110
VSS_111
VSS_112
VSS_113
VSS_114
VSS_115
VSS_116
VSS_117
VSS_118
VSS_119
VSS_120
VSS_121
VSS_122
VSS_123
VSS_124
VSS_125
VSS_126
VSS_127
VSS_128
VSS_129
VSS_130
VSS_131
VSS_132
VSS_133
VSS_134
VSS_135
VSS_136
VSS_137
VSS_138
VSS_139
VSS_140
VSS_141
VSS_142
VSS_143
C1000
4.7U(1206)
C296
0.1U
C315
10U(1206)
12
C316
10U(1206)
12
+
CP3
100U/6V_D
12
C510
0.1U
C303
0.1U
C304
0.1U
C306
0.1U
C307
0.1U
C297
0.1U
+
CP4
100U/6V_D
12
C295
10U(1206)
12
C301
0.1U
C305
0.1U
C311
0.1U
C312
0.1U
C291
0.1U
C277
0.1U
C276
0.1U
C285
0.1U
C280
0.1U
C284
0.1U
C278
0.1U
C271
10U(1206)
12
+
CP2
100U/6V_D
12
C279
0.1U
+
CP1
100U/6V_D
12
C272
10U(1206)
12
R203 150_1%
L39
4.7UH(0805)
L40
4.7UH(0805)
R244 49.9_1%
R245
100_1%
C288
0.01U
R400 24.9_1%
R222 24.9_1%
R399 36.5_1%
R413 36.5_1%
C283 0.1U
R216
150_1%
R219
301_1%
C308
0.01U
C300
10U(1206)
12
C299 10U(1206)
12
R205 30.1_1%
T110
T106
T104
T108
T107
T178
T109
T113
T179
T111
T112
R202
137_1%
C281
0.1U(R)
C313 0.1U
C298
0.01U
R412
301_1%
R409
301_1%
C1003 4.7U(1206)
C302
10U(1206)
12
C292
10U(1206)
12
C289
0.1U
C293
0.1U
12
C286
10U(1206)
12
C318
10U(1206)
12
C317
10U(1206)
12
C310
0.1U
C309
1U(0805)
R247
150_1%
C332
0.01U
R246
301_1%
C999
4.7U(1206)
C1002
0.1U
C294
470P(R)
R410
56.2_1%(R)
VCC1.5S [5,10,16,18,19,27,41]
VCC1.8S [11,12,16,18,19,27,41]
VCC1.8
VCC1.5
VCC3 [10,13,17,18,19,21,26,27,28,29,30,31,32,34,35,37,40,42]
VCC3S [2,3,9,10,11,13,15,16,17,18,19,22,23,25,26,27,28,29,30,31,32,35,36,37,39]
VCORE [2,3,4,19,42]
2.5V_DDR [4,7,9]
2.5V [9,21,26,37,41]
DIMM_VREF [9]
AGPREF [11]
Closed MCH:Max 150mils
Place RES
divider near
DIMMS,CAP
place near
MCH:used
minimun of
12mils wide
12mils spacing
Trace Width:5mils
Trace Spacing:10mils
Use 20mils trace,7mils space
CAP should be placed near MCH
Close to the
MCH:minimun
12mils wide
10mils
spacing
Used 12mils wide 25mils spacing
Close to the MCH
Use 10mils
trace ,7mils
space