Socket 478 - 1 - Hitachi M300N Service Manual

Socket 478 - 1 of 2
V_CORE [4,6,7,14,28]
+3VS [4,5,6,7,8,10,11,12,13,14,16,17,18,19,21,23,26,27,28]
+3VH8 [4,11,13,16,21,22,26,29]
V_CORE
A3
VSS
A9
VSS
A11
VSS
A13
VSS
A15
VSS
A17
VSS
A19
VSS
A21
VSS
A24
VSS
A26
VSS
B4
VSS
B8
VSS
B10
VSS
B12
VSS
B14
VSS
B16
VSS
B18
VSS
B20
VSS
B23
VSS
B26
VSS
C2
VSS
C5
VSS
C7
VSS
C9
VSS
C11
VSS
C13
VSS
C15
VSS
C17
VSS
C19
VSS
C22
VSS
C25 NORTHWOOD POWER & GROUND
VSS
D3
VSS
D6
VSS
D8
VSS
D10
VSS
D12
VSS
D14
VSS
D16
VSS
D18
VSS
D20
VSS
D21
VSS
D24
VSS
E1
VSS
E4
VSS
E7
VSS
E9
VSS
E11
VSS
E13
VSS
E15
VSS
E17
VSS
E19
VSS
E23
VSS
E26
VSS
F2
VSS
F5
VSS
F8
VSS
F10
VSS
F12
VSS
F14
VSS
F16
VSS
F18
VSS
F22
VSS
F25
VSS
R24 *0
U22
Z0317
R23 Z0314 2 15
+3VS
VCC STBY#
3 12 THERMAL_SDA1
[4] H_THERMDA DXP SMBDATA
C1 14 THERMAL_SCLK1
SMBCLK
C259
0.1uF
11
2200PF
ALERT#
4
[4] H_THERMDC
DXN
1K
R8
Z0315 10
+3VS ADD0
1 Z0318
1K N/C1
R21 Z0316 Z0319
6 5
ADD1 N/C2
9 TZ0301
N/C3
7 13 TZ0302
GND1 N/C4
TZ0303
8 16
GND2 N/C5
9/24
MAX1617/AD1021/MAX1619
+3VS +3VH8
+3VS
R11
R9 R10
10K
R7
2.2K 2.2K
10K
R284
51_1%
THERMAL_SDA1 [21]
THERMAL_SCLK1 [21]
PM_THRM# [13,14]
H_BPM0_ITP#
+3VS
H_BPM1_ITP#
H_BPM4_PRDY#
R27 *0 H_BPM5_PREQ#
R26 *10K
[4,6] H_CPURST#
T
T
T
R25 R22
*4.7K *4.7K
V_CORE
H_BPM5_PREQ#
H_BPM4_PRDY#
H_BPM1_ITP#
H_BPM0_ITP#
U1A
Put the cap in the processor
cavity
R13 10K
R309 10K
Z0301
AD24 R291 10K
TESTHI0
AA2 Z0302 R281 10K
TESTHI1
AC21 Z0303 R5 10K
TESTHI2
AC20 Z0304 R290 10K
TESTHI3
Z0305
AC24 R282 10K
TESTHI4
AC23 Z0306 R292 10K
TESTHI5
AA20 Z0307 R314 10K
ITPCLKOUT0
Z0308
AB22 R312 10K
ITPCLKOUT1
U6 Z0309 R310 10K
TESTHI8
W4 Z0310 R36 1K
TESTHI9 V_CORE
Y3 Z0311 R18 1K Put the cap in the processor
TESTHI10
Z0312
A6 R38 0
PM_CPUPERF# [13] back side
GHI#
AD25 Z0313 R17 0
DPSLP# H_DPSLP# [5,12,28]
A7 TP_CPU_VC0
RESERVED T
A22 TP_CPU_VC1
RESERVED T
AD2 TP_CPU_VC2
RESERVED T
AD3 TP_CPU_VC3
RESERVED T
AE21 TP_CPU_VC4
RESERVED T
AF3 TP_CPU_VC5
RESERVED T
AF24 TP_CPU_VC6
RESERVED T
AF25 TP_CPU_VC7
RESERVED T
A5 VCCSENSE
VCC_SENSE T
V_CORE
A4 VSSSENSE
VSS_SENSE T
AF26 TP_CPU_SKTOCC#
SKTOCC# T
AD1
VSS
AD4
VSS
AD8
VSS
AD10
VSS
AD12
VSS
AD14
VSS
AD16
VSS
AD18
VSS
AD21
VSS
AD23
VSS
AE7
VSS
AE9
VSS
AE11
VSS V_CORE
AE13
VSS
AE15
VSS
AE17
VSS C276 C255 C254 C260 C16 C287
AE19
VSS
AE22
VSS
AE24 1u_X7R 1u_X7R 1u_X7R 1u_X7R 1u_X7R 1u_X7R
VSS
AE26
VSS
AF1
VSS
AF6
VSS
AF8
VSS
AF10
VSS
AF12
VSS
AF14
VSS
AF16
VSS V_CORE
AF18
VSS
AF20
VSS
C279 C266 C257 C277 C267 C3
NORTHWOOD
1u_X7R 1u_X7R 1u_X7R 1u_X7R 1u_X7R 1u_X7R
+3VS
V_CORE
IN-Target Probe
R2 R293 R288 R289
R286 R285 R19 R20
51_1% 51_1% 51_1% *240 10K 39 150 75
H_TDO [4]
H_TMS [4]
H_TDI [4]
ITP_DBRESET# [4]
H_TCK [4]
R287
27.4 1%
NOTE: Place these decoupling
capacitors close to VTT_CPU
termination resistors. (one
decoupling coapcitor for
each two R-packs)
Socket 478 - 1 of 2 (71-M3000-D04) B - 3
Schematic Diagrams
CT6 CT7 CT1 CT5
+ + + +
10u/10V 10u/10V 10u/10V 10u/10V
V_CORE
CT2 CT3 CT4 CT8
+ + + +
10u/10V 10u/10V 10u/10V 10u/10V
Sheet 2 of 29
C278 C265 C273 C275 C269
Socket 478
+ + + + +
10uF_1210 10uF_1210 10uF_1210 10uF_1210 10uF_1210
1 of 2
C274 C21 C264 C12 C9 C268
1u_X7R 1u_X7R 1u_X7R 1u_X7R 1u_X7R 1u_X7R
C7 C18 C4 C270 C13 C17
1u_X7R 1u_X7R 1u_X7R 1u_X7R 1u_X7R 1u_X7R