Service manual

Schematic Diagrams
B - 4 CPU 1/7 (DMI, PEG, FDI)
B.Schematic Diagrams
CPU 1/7 (DMI, PEG, FDI)
Sheet 3 of 53
CPU 1/7
(DMI, PEG, FDI)
PLACE NEAR U19
H17
H8_0D4_4
H10
H8_0D4_4
H18
H8_0D4_4
THERM_VOLT 36
3
2
1
3.3V
PEG_IRCOMP_R
EXP_R BIAS
R221 *10mil_short
CRIT_TEMP_REP# 24
Analog Thermal Sensor
C538 0.1u_10V_X7R_04
C550 0.1u_10V_X7R_04
R429 750_1%_04
C548 0.1u_10V_X7R_04
C547 0.1u_10V_X7R_04
R427 49. 9_1%_04
C546 0.1u_10V_X7R_04
C542 0.1u_10V_X7R_04
C543 0.1u_10V_X7R_04
C541 0.1u_10V_X7R_04
C540 0.1u_10V_X7R_04
C549 0.1u_10V_X7R_04
C536 0.1u_10V_X7R_04
C537 0.1u_10V_X7R_04
C539 0.1u_10V_X7R_04
C545 0.1u_10V_X7R_04
PCI EXPRESS -- GRAPHICS
DMI Intel(R) FDI
U40A
PZ98927-3641-01F
DMI_RX#[0]
A24
DMI_RX#[1]
C23
DMI_RX#[2]
B22
DMI_RX#[3]
A21
DMI_RX[0]
B24
DMI_RX[1]
D23
DMI_RX[2]
B23
DMI_RX[3]
A22
DMI_TX#[0]
D24
DMI_TX#[1]
G24
DMI_TX#[2]
F23
DMI_TX#[3]
H23
DMI_TX[0]
D25
DMI_TX[1]
F24
DMI_TX[3]
G23
DMI_TX[2]
E23
FDI_TX#[0]
E22
FDI_TX#[1]
D21
FDI_TX#[2]
D19
FDI_TX#[3]
D18
FDI_TX#[4]
G21
FDI_TX#[5]
E19
FDI_TX#[6]
F21
FDI_TX#[7]
G18
FDI_TX[0]
D22
FDI_TX[1]
C21
FDI_TX[2]
D20
FDI_TX[3]
C18
FDI_TX[4]
G22
FDI_TX[5]
E20
FDI_TX[6]
F20
FDI_TX[7]
G19
FDI_FSYNC[0]
F17
FDI_FSYNC[1]
E17
FDI_INT
C17
FDI_LSYNC[0]
F18
FDI_LSYNC[1]
D17
PEG_ICOMPI
B26
PEG_ICOMPO
A26
PEG_RBIAS
A25
PEG_RCOMPO
B27
PEG_RX#[0]
K35
PEG_RX#[1]
J34
PEG_RX#[2]
J33
PEG_RX#[3]
G35
PEG_RX#[4]
G32
PEG_RX#[5]
F34
PEG_RX#[6]
F31
PEG_RX#[7]
D35
PEG_RX#[8]
E33
PEG_RX#[9]
C33
PEG_RX#[10]
D32
PEG_RX#[11]
B32
PEG_RX#[12]
C31
PEG_RX#[13]
B28
PEG_RX#[14]
B30
PEG_RX#[15]
A31
PEG_RX[0]
J35
PEG_RX[1]
H34
PEG_RX[2]
H33
PEG_RX[3]
F35
PEG_RX[4]
G33
PEG_RX[5]
E34
PEG_RX[6]
F32
PEG_RX[7]
D34
PEG_RX[8]
F33
PEG_RX[9]
B33
PEG_RX[10]
D31
PEG_RX[11]
A32
PEG_RX[12]
C30
PEG_RX[13]
A28
PEG_RX[14]
B29
PEG_RX[15]
A30
PEG_TX#[0]
L33
PEG_TX#[1]
M35
PEG_TX#[2]
M33
PEG_TX#[3]
M30
PEG_TX#[4]
L31
PEG_TX#[5]
K32
PEG_TX#[6]
M29
PEG_TX#[7]
J31
PEG_TX#[8]
K29
PEG_TX#[9]
H30
PEG_TX#[10]
H29
PEG_TX#[11]
F29
PEG_TX#[12]
E28
PEG_TX#[13]
D29
PEG_TX#[14]
D27
PEG_TX#[15]
C26
PEG_TX[0]
L34
PEG_TX[1]
M34
PEG_TX[2]
M32
PEG_TX[3]
L30
PEG_TX[4]
M31
PEG_TX[5]
K31
PEG_TX[6]
M28
PEG_TX[7]
H31
PEG_TX[8]
K28
PEG_TX[9]
G30
PEG_TX[ 10]
G29
PEG_TX[ 11]
F28
PEG_TX[ 12]
E27
PEG_TX[ 13]
D28
PEG_TX[ 14]
C27
PEG_TX[ 15]
C25
Q28
*2N3904
B
E C
C552 0.1u_10V_X7R_04
U19
*W83L771AWG
VDD
1
D+
2
D-
3
THER M
4
GND
5
ALERT
6
SDATA
7
SCLK
8
C551 0.1u_10V_X7R_04
3.3V
DMI_TXP221
DMI_TXP121
DMI_TXP021
DMI_TXN221
DMI_TXN121
DMI_TXN021
DMI_TXP321
DMI_RXN221
DMI_RXN121
DMI_RXN021
DMI_TXN321
DMI_RXP221
DMI_RXP121
DMI_RXP021
DMI_RXN321
FDI_INT21
FDI_FSYNC121
FDI_FSYNC021
DMI_RXP321
PEG_RX#2 13
FDI_LSYNC121
FDI_LSYNC021
PEG_RX7 13
PEG_RX#4 13
PEG_RX5 13
PEG_RX#7 13
PEG_RX#1 13
PEG_RX4 13
PEG_RX#0 13
PEG_RX#3 13
PEG_RX2 13
PEG_RX#6 13
PEG_RX3 13
PEG_RX#5 13
PEG_RX6 13
PEG_RX0 13
PEG_TX3 13
PEG_TX6 13
PEG_RX1 13
PEG_TX#3 13
PEG_TX0 13
PEG_TX#2 13
PEG_TX#5 13
PEG_TX7 13
PEG_TX4 13
PEG_TX#7 13
PEG_TX1 13
PEG_TX#0 13
PEG_TX5 13
PEG_TX#1 13
PEG_TX2 13
PEG_TX#6 13
FDI_TXN121
FDI_TXN021
PEG_TX#4 13
FDI_TXN521
FDI_TXN421
FDI_TXN321
FDI_TXN221
FDI_TXP121
FDI_TXP021
FDI_TXN721
FDI_TXN621
FDI_TXP521
FDI_TXP421
FDI_TXP321
FDI_TXP221
3.3V4,12,13,17,19,20,21,23,24,26,28,29,31,32,33,34,37,39,40,41,44
FDI_TXP721
FDI_TXP621
20 mil
D11 *RB751V
AC
1:2 (4mils:8mils)
cost dowm C990317
PM_EXTTS#_EC 4
On Board DDR3 Thermal Sensor
PROCESSOR 1/7 ( DMI,PEG,FDI )
It applies to Auburndale and Clarksfield discrete graphic designs.
If discrete graphic chip is used for Auburndale, VAXG (GFX core) rail can be connected
to GND if motherboard only supports discrete graphics and also in a common
motherboard design if GFX VR is not stuffed. On the other hand, if the VR is stuffed,
VAXG can be left floating in a common motherboard design (Gfx VR keeps VAXG from
floating).
In addition, FDI_RXN_[7:0] and FDI_RXP_[7:0] can be left floating on the PCH.
FDI_TX[7:0] and FDI_TX#[7:0] can be left floating on the Auburndale.
The GFX_IMON, FDI_FSYNC[0], FDI_FSYNC[1], FDI_LSYNC[0], FDI_LSYNC[1], and
FDI_INT signals should be tied to GND (through 1K ? % resistors) in the common
motherboard design case. Please not that if these signals are left floating, there are no
functional impacts but a small amount of power (~15 mW) maybe wasted. VAXG_SENSE
and VSSAXG_SENSE on Auburndale can be left as no connect.
DPLL_REF_SSCLK and DPLL_REF_SSCLK# can be connected to GND on Auburndale
directly if motherboard only supports discrete graphics. In a common motherboard
design, these pins are driven via PCH (even if Graphics is disabled by BIOS) thus no
external termination is required.
C328
*.1U_16V_04
DEL THERM_ALERT#
C990319
CPU
C321
0.1u_16V_Y5V_04
C303
0.1u_16V_Y5V_04
Q27
G711ST9U
OUT
1
VCC
2
GND
3
SMC_CPU_THERM 20,36
SMD_CPU_THERM 20,36
PEG_TX_2
PEG_TX_1
PEG_TX#_3
PEG_TX_4
PEG_TX#_2
PEG_TX#_5
PEG_TX#_7
PEG_TX_6
PEG_TX#_6
PEG_TX#_1
PEG_TX#_4
PEG_TX_7
PEG_TX#_0
PEG_TX_0
PEG_TX_5
PEG_TX_3