EUROCOM D400V Service Manual page 83

Socket 478 1 of 2
HD#[0..63]
HD#[0..63] 5
VCC_CORE
JCPU1A
HD#0 B21
D0
HD#1 B22
D1
HD#2 A23
D2
HD#3 A25
D3
HD#4 C21
D4
HD#5 D22
D5
HD#6 B24
D6
HD#7 C23
D7
HD#8 C24
D8
HD#9 B25
D9
HD#10 G22
D10
HD#11 H21
D11
HD#12 C26
D12
HD#13 D23
D13
HD#14 J21
D14
HD#15 D25
D15
HD#16 H22
D16
HD#17 E24
D17
HD#18 G23
D18
HD#19 F23
D19
HD#20 F24
D20
HD#21 E25
D21
HD#22 F26
D22
HD#23 D26
D23
HD#24 L21
D24
HD#25 G26
D25
HD#26 H24 INTEL P4 CPU SOCKET 478 PART 1
D26
HD#27 M21
D27
HD#28 L22
D28
HD#29 J24
D29
HD#30 K23
D30
HD#31 H25
D31
HD#32 M23
D32
HD#33 N22
D33
HD#34 P21
D34
HD#35 M24
D35
HD#36 N23
D36
HD#37 M26
D37
HD#38 N26
D38
HD#39 N25
D39
HD#40 R21
D40
HD#41 P24
D41
HD#42 R25
D42
HD#43 R24
D43
HD#44 T26
D44
HD#45 T25
D45
HD#46 T22
D46
HD#47 T23
D47
HD#48 U26
D48
HD#49 U24
D49
HD#50 U23
D50
HD#51 V25
D51
HD#52 U21
D52
HD#53 V22
D53
HD#54 V24
D54
HD#55 W26
D55
HD#56 Y26
D56
HD#57 W25
D57
HD#58 Y23
D58
HD#59 Y24
D59
HD#60 Y21
D60
HD#61 AA25
D61
HD#62 AA22
D62
HD#63 AA24
D63
RS#0
F1
5 RS#0
RS0
RS#1
G5
5 RS#1
RS1
RS#2
F4
5 RS#2
RS2
VCC_CORE
C115
VCC_CORE +2.5V
0.1UF C335 C513 C497
10U(0805) 10U(0805) 10U(0805)
VCC_CORE
C369 C514 C515 C373 C496
0.1UF 0.1UF 0.1UF 0.1UF 0.1UF
PRE/NOR#
PRE/NOR# 36
C374 C372 C370 C367 C398 C400 C402 C404 C511 C413
10U(0805) 10U(0805) 10U(0805) 10U(0805) 10U(0805) 10U(0805) 10U(0805) 10U(0805) 10U(0805) 10U(0805)
C13 C401 C371 C375 C403 C396 C491 C368 C397 C414 C73 C471
0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF
VIDPWRGD
VIDPWRGD38
AB1
A35 T
HA#[3..31]
Y1
HA#[3..31]
A34
W2
A33
V3
A32
U4 HA#31
A31
T5 HA#30
A30
W1 HA#29
A29
R6 HA#28
A28
V2 HA#27
A27
T4 HA#26
A26
U3 HA#25
A25
P6 HA#24
A24
U1 HA#23
A23
T2 HA#22
A22
R3 HA#21
A21
P4 HA#20
A20
P3 HA#19
A19
R2 HA#18
A18
T1 HA#17
A17
N5 HA#16
A16 +3VS
N4 HA#15
A15
N2 HA#14
A14
M1 HA#13
A13
N1 HA#12
A12
M4 HA#11
A11
M3 HA#10
A10
L2 HA#9
A9
M6 HA#8 R372 R387
A8
L3 HA#7
A7
K1 HA#6
A6
L6 HA#5
A5
K4 HA#4 10K 10K
A4
K2 HA#3
A3
AE5 VID0
VID0 VID1
AE4
VID1
VID2
AE3
VID2
VID3
AE2
VID3
VID4
AE1
VID4 VID5
AD3
VID5 HREQ#4
H3
REQ4
HREQ#3
J3
REQ3
HREQ#2
J4
REQ2
HREQ#1
K5
REQ1
J1 HREQ#0
REQ0
HREQ#[0..4]
HREQ#[0..4]5
HBPRM5#
AB4
HBPRM5# 3
BPM5
HBPRM4#
AA5
HBPRM4# 3
BPM4
Y6
BPM3
AC4
BPM2 HBPM1#
AB5
BPM1 HBPM1# 3
HBPM0#
AC6
HBPM0# 3
BPM0
H_DPSLP#
H_DPSLP#29,36
PM_CPUPERF#
PM_CPUPERF# 1 5
AD25 R291
51
DPSLP#
A6 R369
51
GHI#
Y3 R406 51
TESTHI10
W4 R423 51
TESTHI9
U6 R422 51
TESTHI8
AB22 R308
51
TESTHI7
AA20 R309
51
TESTHI6
AC23 R292 51
TESTHI5
AC24 R294 51
TESTHI4
AC20 R310 51
TESTHI3
AC21 R311
51
TESTHI2
AA2 R407
51
TESTHI1
AD24 R293 51
TESTHI0 VCC_CORE
NORTHWOOD478
C494 C99 C98 C97 C36 C37
10U(0805) 10U(0805) 10U(0805) 10U(0805) 10U(0805) 10U(0805)
C434 C96
0.1UF 0.1UF
Socket 478 1 of 2 (71-D40U0-D03) B - 3
Schematic Diagrams
5
Sheet 2 of 42
Socket 478 1 of 2
RP35
8P4R-10K
VID0 36
VID1 15,36
VID2 36
VID3 36
VID4 36
VID5 36