EUROCOM M375E Service Manual page 57

855PM MCH-1
UB1E
9 M_DATA[63:0]
M_DATA0 G28 F26
SDQ0 SDQS0
M_DATA1 F27 C26
SDQ1 SDQS1
M_DATA2 C28 C23
SDQ2 SDQS2
M_DATA3 E28 B19
SDQ3 SDQS3
M_DATA4 H25 D12
SDQ4 SDQS4
M_DATA5 G27 C8
SDQ5 SDQS5
M_DATA6 F25 C5
SDQ6 SDQS6
M_DATA7 B28 E3
SDQ7 SDQS7
M_DATA8 E27 E15
SDQ8 SDQS8
M_DATA9 C27
SDQ9
M_DATA10 B25 E12
SDQ10 SMA_A0
M_DATA11 C25 F17
SDQ11 SMA_A1
M_DATA12 B27 E16
SDQ12 SMA_A2
M_DATA13 D27 G17
SDQ13 SMA_A3
M_DATA14 D26 G18
SDQ14 SMA_A4
M_DATA15 E25 E18
SDQ15 SMA_A5
M_DATA16 D24 F19
SDQ16 SMA_A6
M_DATA17 E23 G20
SDQ17 SMA_A7
M_DATA18 C22 G19
SDQ18 SMA_A8
M_DATA19 E21 F21
SDQ19 SMA_A9
M_DATA20 C24 F13
SDQ20 SMA_A10
M_DATA21 B23 E20
SDQ21 SMA_A11
M_DATA22 D22 G21
SDQ22 SMA_A12
M_DATA23 B21 G22
SDQ23 RSVD2
M_DATA24 C21
SDQ24
M_DATA25 D20
SDQ25
M_DATA26 C19
SDQ26
M_DATA27 D18
SDQ27
M_DATA28 C20 G23
SDQ28 SCKE0
M_DATA29 E19 E22
SDQ29 SCKE1
M_DATA30 C18 H23
SDQ30 SCKE2
M_DATA31 E17 F23
SDQ31 SCKE3
M_DATA32 E13
SDQ32
M_DATA33 C12 E9
SDQ33 SCS0#
M_DATA34 B11 F7
SDQ34 SCS1#
M_DATA35 C10 F9
SDQ35 SCS2#
M_DATA36 B13 E7
SDQ36 SCS3#
M_DATA37 C13
SDQ37
M_DATA38 C11 G12
SDQ38 SBA0
M_DATA39 D10 G13
SDQ39 SBA1
M_DATA40 E10
SDQ40
M_DATA41 C9 F11
SDQ41 SRAS#
M_DATA42 D8 G8
SDQ42 SCAS#
M_DATA43 E8 G11
SDQ43 SWE#
M_DATA44 E11
SDQ44
M_DATA45 B9 J25
SDQ45 SCMDCLK0
M_DATA46 B7 K25
SDQ46 SCMDCLK0#
M_DATA47 C7 G5
SDQ47 SCMDCLK1
M_DATA48 C6 F5
SDQ48 SCMDCLK1#
M_DATA49 D6 G24
SDQ49 SCMDCLK2
M_DATA50 D4 E24
SDQ50 SCMDCLK2#
M_DATA51 B3 G25
SDQ51 SCMDCLK3
M_DATA52 E6 J24
SDQ52 SCMDCLK3#
M_DATA53 B5 G6
SDQ53 SCMDCLK4
M_DATA54 C4 G7
SDQ54 SCMDCLK4#
M_DATA55 E4 K23
SDQ55 SCMDCLK5
M_DATA56 C3 J23
SDQ56 SCMDCLK5#
M_DATA57 D3
SDQ57
M_DATA58 F4 J27
SDQ58 RSTIN#
M_DATA59 F3 H27
SDQ59 RSVD1
M_DATA60 B2 H26
SDQ60 TESTIN#
M_DATA61 C2
SDQ61
M_DATA62 E2
SDQ62
M_DATA63 G4
9 M_CB[7:0] SDQ63
M_CB0 C16 AD26
SDQ64 NC0
M_CB1 D16 AD27
SDQ65 NC1
M_CB2 B15
SDQ66
M_CB3 C14
SDQ67
+2.5V M_CB4 B17
SDQ68
M_CB5 C17 G14
SDQ69 SRCVENOUT#
M_CB6 C15 G15
SDQ70 SRCVENIN#
M_CB7 D14
SDQ71
R329
10K(0402) 1% J28
SMRCOMP
J9 V8
SMVREF DPSLP#
SMVREF J21 Y8
SMVREF DPWR#
11/10
R328
I855PM
10K(0402) 1% C473
.1u(0402)
R327 *0(0402)
SM_VREF_DIMM 8
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AGP_AD[0..31]
25 AGP_AD[0..31]
M_DQS[8:0] 9
M_DQS0
M_DQS1
M_DQS2
M_DQS3
M_DQS4
M_DQS5
M_DQS6
M_DQS7
M_DQS8
M_AA0
M_AA0 8,9
M_AA1
M_AA1 8,9
M_AA2
M_AA2 8,9
M_AA3
M_AA3 8,9
M_AA4
M_AA4 8,9
M_AA5
M_AA5 8,9
M_AA6
M_AA6 8,9
M_AA7
M_AA7 8,9
M_AA8
M_AA8 8,9
AGP_CBE#[0..3]
M_AA9
M_AA9 8,9 25 AGP_CBE#[0..3]
M_AA10
M_AA10 8,9
M_AA11
M_AA11 8,9
M_AA12
M_AA12 8,9
Z0510
T
M_CKE0 8,9
M_CKE1 8,9
M_CKE2 8,9
M_CKE3 8,9
M_CS0# 8,9
M_CS1# 8,9
M_CS2# 8,9
M_CS3# 8,9
M_BS0# 8,9 25 AGP_FRAME#
M_BS1# 8,9 25 AGP_DEVSEL#
25 AGP_IRDY#
M_RAS# 8,9 25 AGP_TRDY#
M_CAS# 8,9 25 AGP_STOP#
M_WE# 8,9 25 AGP_PAR
25 AGP_REQ#
M_CLK_DDR0 8 25 AGP_GNT#
R351 40.2_1%
M_CLK_DDR0# 8
M_CLK_DDR1 8
M_CLK_DDR1# 8 10 CLK_MCH66
M_CLK_DDR2 8
+1.5VS
M_CLK_DDR2# 8
M_CLK_DDR3 8
M_CLK_DDR3# 8
C517
M_CLK_DDR4 8
10PF
M_CLK_DDR4# 8
CLOSED TO U6
M_CLK_DDR5 8
R342
M_CLK_DDR5# 8
1K(0402) 1%
PCIRST#1 11,18,20,22,24,25,37
Z0511
T
Z0501 R354 *4.7K(0402)
R341
1K(0402) 1% C528 C515
Z0512 +1.25VS .1u(0402) .1u(0402)
T
Z0513
T
TP_M_RCVO# R336 0(0402) R355 C548
25 AGP_ST0
TP_M_RCVI# 30.1_1% .1u(0402)
25 AGP_ST1
25 AGP_ST2
+1.5VS
MCH_SMRCOMP
H_DPSLP# 3,11
R345
H_DPWR# 3
4.7K(0402)
+1.5VS +1.5VS
R346 R347
1K(0402) 1K(0402)
AGP_ST0
AGP_ST1
+2.5V
UB1B
AGP_AD0 R27 G16 Z0503 R324
G_AD0 RSVD T
AGP_AD1 Z0504
R28 G10 10K(0402)
G_AD1 RSVD T
AGP_AD2 T25 G9 Z0505
G_AD2 RSVD T
AGP_AD3 R25 H7 Z0506
G_AD3 RSVD T
AGP_AD4 T26 H4 Z0502
G_AD4 ETS#
AGP_AD5 T27 H3 Z0507
G_AD5 RSVD T
AGP_AD6 Z0508
U27 G3
G_AD6 RSVD T
AGP_AD7 U28 G2 Z0509
G_AD7 RSVD T
AGP_AD8
V26
G_AD8
AGP_AD9 V27
G_AD9
AGP_AD10 T23
G_AD10
AGP_AD11 U23
G_AD11
AGP_AD12 T24
G_AD12
AGP_AD13
U24
G_AD13
AGP_AD14 U25
G_AD14
AGP_AD15
V24
G_AD15
AGP_AD16 Y27
G_AD16
AGP_AD17
Y26
G_AD17
AGP_AD18 AA28
G_AD18
AGP_AD19 AB25
G_AD19
AGP_AD20
AB27
G_AD20
AGP_AD21 AA27
G_AD21
AGP_AD22
AB26
G_AD22
AGP_AD23 Y23
G_AD23
AGP_AD24
AB23
G_AD24
AGP_AD25 AA24
G_AD25
AGP_AD26 AA25
G_AD26
AGP_AD27 AB24
G_AD27
AGP_AD28 AC25
G_AD28
AGP_AD29
AC24
G_AD29
AGP_AD30 AC22
G_AD30
AGP_AD31
AD24
G_AD31
AGP_CBE#0 V25
G_CBE#0
AGP_CBE#1 V23
G_CBE#1
AGP_CBE#2 Y25
G_CBE#2
AGP_CBE#3
AA23
G_CBE#3
AGP_FRAME#
Y24
G_FRAME#
AGP_DEVSEL# W28
G_DEVSEL#
AGP_IRDY#
W27
G_IRDY#
AGP_TRDY# W24
G_TRDY#
AGP_STOP# W23
G_STOP#
AGP_PAR
W25
G_PAR
AGP_REQ# AG24
G_REQ#
AGP_GNT#
AH25
G_GNT#
10 MILS GRCOMP AD25
GRCOMP
AGPREF
AA21
AGPREF
P22
66IN
R24
25 AGP_ADSTB0
AD_STB0
AC27
25 AGP_ADSTB1 AD_STB1
R23
25 AGP_ADSTB#0
AD_STB#0
AC28
25 AGP_ADSTB#1 AD_STB#1
AH28
25 AGP_SBA0 SBA0
AH27
25 AGP_SBA1 SBA1
AG28
25 AGP_SBA2
SBA2
AG27
25 AGP_SBA3 SBA3
AE28
25 AGP_SBA4
SBA4
AE27
25 AGP_SBA5 SBA5
AE24
25 AGP_SBA6 SBA6
AE25
25 AGP_SBA7 SBA7
AF27
25 AGP_SBSTB SBSTB
AF26
25 AGP_SBSTB#
SBSTB#
AE22
25 AGP_RBF#
RBF#
AE23
25 AGP_WBF# WBF#
AF22
PIPE#
AGP_ST0 AG25
ST0
AGP_ST1
AF24
ST1
AG26
ST2
AGP_PIPE#
I855PM
Schematic Diagrams
+2.5V
+2.5V 7,8,11,34,35
+1.5VS
+1.5VS 4,7,11,13,25,32
+1.25VS
+1.25VS 9,26,27,30,35
R325 *0(0402)
Sheet 4 of 36
855PM MCH-1
855PM MCH-1 B - 5