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A
3
External Thermal Sensor Header
5,6,9,11,15,16,18,20,21,23,26,31,33..36,38..40,42,44,48
R5D1
4
10K
6,11,12,16,18,39
SMB_DATA_S
6,11,12,16,18,39
SMB_CLK_S
7
MCH_EXTTS0
Note: Host Clock
terminations are at
the source (CK408)
CLK_MCH_BCLK#
CLK_MCH_BCLK
3
3
R3F4
R3F3
49.9_1%
49.9_1%
6
6
10,47
MCH_HYSWING
10,47
MCH_HXSWING
C4E2
C5R2
Layout Note:
0.1UF
0.1UF
Route
MCH_HXSWING,
MCH_HYSWING
10 mil trace, 20 mil
space
2
10,47
MCH_HDVREF
C5T1
C5T2
0.1UF
1UF
10
MCH_HCCVREF
10
MCH_HAVREF
10,18
HUB_PD[10:0]
10,18
1
C5T8
C4E5
C4E6
10,18
0.1UF
1UF
0.1UF
10,47
A
B
U5E1A
H_A#[31:3]
H_A#3
P23
HA3#
H_A#4
T25
HA4#
H_A#5
T28
HA5#
+V3.3S
H_A#6
R27
HA6#
H_A#7
U23
HA7#
H_A#8
U24
HA8#
H_A#9
R24
HA9#
H_A#10
U28
HA10#
H_A#11
V28
HA11#
J4C1
H_A#12
U27
HA12#
H_A#13
T27
1
HA13#
H_A#14
V27
2
HA14#
H_A#15
U25
3
HA15#
H_A#16
V26
4
HA16#
H_A#17
Y24
5
HA17#
H_A#18
V25
6
HA18#
H_A#19
V23
HA19#
H_A#20
6Pin_HDR
W25
HA20#
H_A#21
Y25
HA21#
H_A#22
AA27
HA22#
H_A#23
W24
HA23#
H_A#24
W23
HA24#
H_A#25
W27
HA25#
H_A#26
Y27
HA26#
H_A#27
AA28
HA27#
H_A#28
W28
HA28#
H_A#29
AB27
HA29#
H_A#30
Y26
HA30#
H_A#31
AB28
HA31#
H_REQ#[4:0]
H_REQ#0
R28
HREQ0#
H_REQ#1
P25
HREQ1#
H_REQ#2
R23
HREQ2#
H_REQ#3
R25
HREQ3#
H_REQ#4
T23
HREQ4#
T26
3
H_ADSTB#0
HADSTB0#
AA26
3
H_ADSTB#1
HADSTB1#
AD29
CLK_MCH_BCLK#
HCLKN
AE29
CLK_MCH_BCLK
HCLKP
H28
10
MCH_HYRCOMP
HYRCOMP
K28
HYSWING
B20
10
MCH_HXRCOMP
HXRCOMP
B18
HXSWING
J28
3
H_DSTBN#0
HDSTBN0#
C27
3
H_DSTBN#1
HDSTBN1#
E22
3
H_DSTBN#2
HDSTBN2#
D18
3
H_DSTBN#3
HDSTBN3#
K27
3
H_DSTBP#0
HDSTBP0#
D26
3
H_DSTBP#1
HDSTBP1#
E21
3
H_DSTBP#2
HDSTBP2#
E18
3
H_DSTBP#3
HDSTBP3#
J25
3
H_DINV#0
DINV0#
E25
3
H_DINV#1
DINV1#
B25
3
H_DINV#2
DINV2#
G19
3
H_DINV#3
DINV3#
F15
3,5
H_CPURST#
CPURST#
K21
HDVREF0
J21
HDVREF1
J17
HDVREF2
Y28
HCCVREF
Y22
HAVREF
HUB_PD0
U7
HI_0
HUB_PD1
U4
HI_1
HUB_PD2
U3
HI_2
HUB_PD3
V3
HI_3
HUB_PD4
W2
HI_4
HUB_PD5
W6
HI_5
HUB_PD6
V6
HI_6
HUB_PD7
W7
HI_7
HUB_PD8
T3
HI_8
HUB_PD9
V5
HI_9
HUB_PD10
V4
HI_10
W3
HUB_PSTRB
PSTRBS
V2
HUB_PSTRB#
PSTRBF
T2
10
HUB_HLZCOMP
HLZCOMP
U2
10
MCH_PSWING
PSWING
W1
MCH_HLVREF
HLVREF
C6T1
C6T2
0.1UF
0.1UF
B
C
3
H_D#[63:0]
H_D#0
K22
HD0#
H_D#1
H27
HD1#
H_D#2
K25
HD2#
H_D#3
L24
HD3#
H_D#4
J27
HD4#
H_D#5
G28
HD5#
H_D#6
L27
HD6#
H_D#7
L23
HD7#
H_D#8
L25
HD8#
H_D#9
J24
HD9#
H_D#10
H25
HD10#
H_D#11
K23
HD11#
H_D#12
G27
HD12#
H_D#13
K26
HD13#
H_D#14
J23
HD14#
H_D#15
H26
HD15#
H_D#16
F25
HD16#
H_D#17
F26
HD17#
H_D#18
B27
HD18#
H_D#19
H23
HD19#
H_D#20
E27
HD20#
H_D#21
G25
HD21#
H_D#22
F28
HD22#
H_D#23
D27
HD23#
H_D#24
G24
HD24#
H_D#25
C28
HD25#
H_D#26
B26
HD26#
H_D#27
G22
HD27#
H_D#28
C26
HD28#
H_D#29
E26
HD29#
H_D#30
G23
HD30#
H_D#31
B28
HD31#
H_D#32
B21
HD32#
H_D#33
G21
HD33#
H_D#34
C24
HD34#
H_D#35
C23
HD35#
H_D#36
D22
HD36#
H_D#37
C25
HD37#
H_D#38
E24
HD38#
H_D#39
D24
HD39#
H_D#40
G20
HD40#
H_D#41
E23
HD41#
H_D#42
B22
HD42#
H_D#43
B23
HD43#
H_D#44
F23
HD44#
H_D#45
F21
HD45#
H_D#46
C20
HD46#
H_D#47
C21
HD47#
H_D#48
G18
HD48#
H_D#49
E19
HD49#
H_D#50
E20
HD50#
H_D#51
G17
HD51#
H_D#52
D20
HD52#
H_D#53
F19
HD53#
H_D#54
C19
HD54#
H_D#55
C17
HD55#
H_D#56
F17
HD56#
H_D#57
B19
HD57#
H_D#58
G16
HD58#
H_D#59
E16
HD59#
H_D#60
C16
HD60#
H_D#61
E17
HD61#
H_D#62
D16
HD62#
H_D#63
C18
HD63#
L28
ADS#
H_ADS#
3
M25
HTRDY#
H_TRDY# 3
N24
DRDY#
H_DRDY#
3
M28
H_DEFER# 3
DEFER#
N28
H_HITM#
3
HITM#
N27
H_HIT#
3
HIT#
P27
H_LOCK# 3
HLOCK#
M23
BREQ0#
H_BR0#
3
N25
BNR#
H_BNR#
3
P28
BPRI#
H_BPRI#
3
M26
H_DBSY# 3
DBSY#
N23
H_RS#0
3
RS0#
P26
H_RS#1
3
RS1#
M27
RS2#
H_RS#2
3
montara-gm
C
D
GMCH Strapping Options
Function
Board Default
J7B1
PSB Voltage Select
JMP for 1.2V
J7B3
DVO Strap
No JMP for DVO
J7B4
GST0
No JMP
J7B5
GST1
No JMP
J7B6
GST2
No JMP
5,6,9,11,15,16,18,20,21,23,26,31,33..36,38..40,42,44,48
15..18,20,23..25,27,34,35,38..40,42,44,47
U7B2
3
6,7,16
LCLKCTLB
1A1
VCC
4
7,15
ADDDETECT
1A2
7
RSVD7
1A3
1B1
8
RSVD6
1A4
1B2
11
RSVD5
1A5
1B3
1B4
14
2A1
1B5
17
2A2
18
2A3
2B1
21
2A4
2B2
22
2A5
2B3
2B4
2B5
1
7,10,15,18,33
PCI_RST#
1OE#
13
2OE#
GND
SN74CBTD3384
10K
R6C10
STRAP_OE2#
J6E1 Default: pins
2-3. For EV work
jumper pins 1-2
J6E1
1
48
EPOT_VW0
2
LVDS_LIBG 7
3
EPOT_DEFAULT
R6E7
1.5K_1%
Title
852GM (2 of 3)
Size
Project:
A
Intel 852GM CRB
Sheet
D
E
Optional Override
1.05V
Reserved
7,9,48
+V1.5S_GMCH_DVO
+V3.3S
1K
1K
1K
1K
1K
+V5S
STRAP_CTLB
C6B6
0.1UF
24
J7B1
STRAP_J_CTLB
2
1
2
5
STRAP_J_PAR
J7B3
6
9
1
2
10
J7B4
STRAP_J_ST0
15
1
2
16
J7B5
19
STRAP_J_ST1
20
1
2
23
J7B6
STRAP_J_ST2
12
1
2
Document Number
Rev
A#
8
of
59
E
4
3
2
1
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