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Firware Hub (FWH)
VCC3
U23
1
VPP
2
4,7,11,25
PCIRST#1
RST#
F_GPI3
3
FGPI3
F_GPI2
4
FGPI2
IC(VIL)
SD_DET
5
4
SD_DET
FGPI1
GNDA
PD_DET
6
4
PD_DET
FGPI0
R421
4.7K
7
VCC3
WP#
8
10
GP23
TBL#
9
ID3
10
1
ID2
FWH4
J7
11
2
ID1
X_D1x2
12
ID0
13
10,11
LAD0/FWH0
FWH0
14
10,11
LAD1/FWH1
FWH1
15
10,11
LAD2/FWH2
FWH2
16
GND
FWH3
PLCC32-SMT
J7 BIOS Update
SHORT
Locked
OPEN
Unlocked
*
VCC_VID / VID_GOOD
PWRBTN#
PWRBTN#
Thermtrip Circuit.
VCC3_SB
VCC5_SB
R712
R711
X_1K
X_10K
2
3
R715
VCCP
X_1K
Q701
R713
R714
Q702
X_NPN-3904LT1-S-SOT23
62
X_62
X_NPN-3904LT1-S-SOT23
Q703
X_NPN-3904LT1-S-SOT23
THERMTRIP#
THERMTRIP#
5
VCC3
32
VCC
31
FWH_PCLK
4
5,9
CLK
R363
8.2K
30
FGPI4
29
R364
8.2K
28
27
VCCA
26
GND
25
VCC
24
FINIT#
INIT#
23
LFRAME#/FWH4 10,11
22
RFU
21
RFU
20
RFU
19
RFU
18
RFU
17
LAD3/FWH3
10,11
VCC3
R735
X_10
R736
+12V
10,11
VCC3
C714
R708
X_0.1u
X_3.3K
R50
220_0805
R709
1
X_1K
C22
U700A
THERM_OFF
X_102P
5
D
Q
CLK
Q700
6
X_2N7002-S-SOT23
Q
X_SN74HCT74-SOIC14
THERM_OFF
R710
X_1K
VCC3_SB
FWH INIT Signal Voltage Translation Block
VCC3
VCC3
VCCP
R362
R361
8.2K
1K
5/21 update
R577
Q40
330
NPN-3904LT1-S-SOT23
R573
4.7K
Q41
HINIT#
NPN-3904LT1-S-SOT23
FWH RESISTORS
PD_DET
R434
10K
SD_DET
R436
10K
THERM_OFF
VCC3
R738
X_3.3K
U702
1
4
IN
PG
X_0
3
EN
2
5
VCC_VID
R748
GND
OUT
X_TPPM0125-SOT23-5-150mA
X_3.3K
C715
X_1u-0805
+12V
VCC3
R51
1.05K_0603
Q12
3
+
1
2N7002-S-SOT23
2
-
R53
1K
U4A
YLM358S-SOIC8
VCC_VID
R716
CB13
1.5K
10u-1206
+12V
VCC5_SB
CB4
0.1u
D1
X_1N4148-S-LL34
R49
R33
2K
5
+
7
6
-
4.99K
R624
R37
U4B
C11
X_4.7K
1K
YLM358S-SOIC8
1u
5/16 update
PB function.
J500
FINIT#
1
F_GPI3
2
F_GPI2
3
X_D1x3-BK
FWH DECOUPLING CAPACITORS
VCC3
CB190
0.1u
VCC5_SB
VCC5
R737
X_3.3K
12
D
Q
VID_GD
11
CLK
Q
Q706
X_NPN-3904LT1-S-SOT23
AC_SDOUT
10,12,13
AC_SDOUT
R339
10K
VCC_VID
6,23
1.2V/0.1A
R48
1K
VID_GD
VID_GD
23
Q5
2N7002-S-SOT23
Title
Micro-Star
Document Number
FWH & VCCVID
Last Revision Date:
Wednesday, October 03, 2001
VCC3
R571
X_10K
R572
X_10K
R415
10K
R416
10K
CB191
CB201
CB203
0.1u
0.1u
0.1u
U700B
9
8
X_SN74HCT74-SOIC14
R269
X_8.2K
VCC3
AC_SDIN1
10,12
AC_SDIN0
10,12,13
R338
10K
Rev
MS-6507
1.0
Sheet
15
of
36
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