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Schematic Diagrams
B - 6 M648FX-1 (Host/AGP) 1 of 4 (71-D40U0-D03)
B.Schematic Diagrams
M648FX-1 (Host/AGP) 1 of 4
Sheet 5 of 42
M648FX-1
(Host/AGP)
1 of 4
AAD12
+3VS
SB_STB
ADEVSEL# 30
SB_STB# 30
DBI_LOW 30
DEFER#
DRDY#
HIT#3
HREQ#1
AGPCLK
DBI_HI
HD#45
HA#5
HD#49
DBI#[0..3]
HREQ#12
HA#19
C1XAVSS
AFRAME#
AAD3
SBA[0..7]
R380 8.2K
AGNT# 30
HA#12
AAD31/BVSYNC
L125
FCM1608K121
1 2
HDSTBN#[0..3]
C34
0.01UF
RS#02
ST[0..2]
R409
95.3_1%
HTRDY#3
A1XAVSS
R329 8.2K
VBGCLK
HPCVERF = 2/3 VCCP
HCLK-661#4
CPURST#
WBF#
L33
FCM1608K121
1 2
HDSTBP#1
A4XAVSS
AD_STB1
SB_STB#
under 650 solder
side
VTT
BNR#3
AAD28/VBCTL0 10,30
HITM#
C1XAVDD
HD#39
L116
FCM1608K121
1 2
place this
capacitor
AAD16/VADE 10,30
HD#27
AAD16/VADE
HD#[0..63] 2
HD#22
+3VS
AAD18/AHSYNC30
HA#3
AD_STB[0..1]
C111
0.1UF
HREQ#22
VAGCLK 10
AFRAME# 30
HIT#
L117
FCM1608K121
1 2
A1XAVDD
AC/BE#2
R297 4.7K(R)
20MIL
AAD21
HDSTBN#0
HD#60
AAD27/VBDE
AREQ#
C439 0603(R)
+3VS
DBSY#
HD#26
R63
22(R)
HREQ#4
HA#30
HD#9
AAD13
RBF#
AGPREF
R296
150_1%
AAD24
HD#54
AD_STB#1
R22 22(R)
R68 22(R)
C517
0.1UF
BPRI#3
RS#22
AAD18/AHSYNC
AAD28/VBCTL0
ASTOP#
DBI_LOW
HD#41
AGPCOM_N
AC/BE#[0..3] 30
AAD17/AVSYNC
VBCAD 10
AGNT#
HD#56
RS#2
AD_STB0
R325
75_1%
HDSTBN#3
HD#[0..63]
N13
HCLK-6614
APAR
AD_STB#0
DBI#0
C343
10/10V
R391 8.2K
HD#16
HA#9
HNCVREF
HD#14
AD_STB#1
AAD7
C378
0.01UF
AIRDY# 30
C1XAVDD
ST0
ASERR#
N14
R352 8.2K
R378 8.2K
HA#23
HA#8
ST1
HD#8
AAD29/VBCTL1
AD_STB0
AGPCOM_P
R723 1K
648FX-1
VAVSYNC10
CPUPWRGD
HA#22
HDSTBP#3
HD#62
Rds-on(n) = 10 ohm
VBHSYNC 10
RBF# 30
HA#27
HDSTBP#0
HPCOMP
VBCAD
AAD28/VBCTL0
HD#25
R351 8.2K
C35
0.01UF
R390 43.75_1%
AC/BE#3
CPURST#3
CPUPWRGD3
RS#0
HD#35
HD#30
HD#3
C113
0.01UF
10mA
VAHSYNC 10
HCLK-661
AC/BE#0
AAD18/AHSYNC
ATRDY#
R23 22(R)
AGPREF
HA#14
HA#13
HNCOMP
HD#55
AAD16/VADE
AAD14
VAGCLK
C516
0.01UF
SBA2
HD#23
AD_STB#0
BPRI#
ATRDY#
AAD26
HVREF
C340
0.01UF
HD#61
HD#37
ADEVSEL#
AD_STB1
R374 8.2K
HA#26
R327 8.2K
N5
HD#18
RS#12
HD#34
HD#28
HD#21
R389 8.2K
10mA
HREQ#32
HREQ#3
HA#7
HD#19
HD#2
AAD[0..15]
9.06mA
HDSTBP#[0..3] 3
AAD17/AVSYNC30
SBA[0..7] 30
C4XAVDD
HD#12
A4XAVSS
HA#6
SBA3
AAD5
HASTB#03
HD#0
HD#10
BNR#
HD#1
AAD11
R50 22(R)
HREQ#0
HDSTBN#1
AAD31/BVSYNC
HD#32
AAD0
AAD10
HA#[3..31]
R379 8.2K
Close M661
DEFER#3
VBHCLK 10
HD#51
HD#57
+3VS
SB_STB 30
C1XAVSS
AREQ#
HD#5
AAD6
R381 8.2K
R64 8.2K
BREQ0#
HA#29
AIRDY#
R316 0(R)
ADS#
HA#31
HDSTBP#2
HD#59
HDSTBP#[0..3]
DBI#1
R326
150_1%
+3VS
HLOCK#
HA#25
ADEVSEL#
HD#38
AAD19
HD#33
20MIL
AGP1.5/1.8
VBVSYNC 10
HA#10
AAD30/BHSYNC
RBF#
AAD29/VBCTL1
AGP
HNCVREF
HD#20
AAD15
SBA4
HD#13
HD#17
Rds-on(p) = 56 ohm
AAD29/VBCTL1 10,30
C4XAVSS
10mA
AGP1.5/1.8
HA#20
HD#24
WBF#
A4XAVDD
HA#17
HD#53
ST2
AAD27/VBDE
C498
10/10V
A1XAVDD
SB_STB#
AAD4
R314 0(R)
C480 0603(R)
HREQ#02
HA#28
C4XAVSS
AAD25
C30
10PF(R)
HDSTBN#[0..3] 3
HASTB#1
HD#47
R331 8.2K
HA#16
HD#40
C342
10/10V
R312 112_1%
T
VTT
HA#11
A4XAVDD
RBF#
HD#15
AGNT#
R315 0(R)
HREQ#42 AD_STB#[0..1] 30
HD#50
20MIL
WBF# 30
HD#11
AC/BE#[0..3]
BREQ0#3
AD_STB[0..1] 30
AFRAME#
N16
AAD31/BVSYNC30
HA#18
HD#31
AAD22
C379
0.01UF
APAR 30
C4XAVDD
SBA6
HD#29
HD#6
DBI#3
HREQ#2
ASERR#
AAD9
ATRDY# 30
C451
0.1UF
VTT
DBI#2
R373 22(R)
20MIL
HA#21
HD#36
DBI#[0..3] 3
AAD[19..26] 10,30
HA#24
R408 50_1%%
ST[0..2] 30
HDSTBN#2
HD#42
C341
0.01UF
R295
75_1%
DBI_HI 30
HTRDY#
HASTB#0
HD#52
VBCLK 10
HA#4
HCLK-661#
AAD20
AD_STB#[0..1]
R41 22(R)
HOST
ASTOP#
SBA1
SBA5
C407
0.1UF
NEAR SISM661
HPCOMP
AREQ#
AREQ# 30
AAD1
R313 20_1%
R388 8.2K
RS#1
HD#46
AIRDY#
AAD[0..15] 10,30
HD#44
HD#63
DRDY#3
AAD30/BHSYNC
SB_STB
HD#58
HD#7
HNCVERF = 1/3 VCCP
HA#[3..31]2
AAD8
HVREF
AGP1.5/1.8
VBGCLK 10
HA#15
SBA0
AC/BE#1
AGPCLK 4
HD#48
AAD2
R330 8.2K
C542
10/10V
ASTOP# 30
HD#4
HD#43
HASTB#13
A1XAVSS
SBA7
R410
300_1%
HITM#3
WBF#
AAD23
HLOCK#3
AAD27/VBDE 10,30
HNCOMP
VBHCLK
R382 8.2K
C503
0.1UF
ADS#3
DBSY#3
AAD30/BHSYNC30
AAD17/AVSYNC
AAD[19..26]
APAR
C408
0.1UF
BGA1A
648FX
K5
M5
P4
U6
C6
E8
N6
M4
N4
L2
P5
M2
N3
D7
B4
C7
C4
D6
C2
D3
T2
U3
G2
H2
D8
W2
Y2
B8
C8
A7
B7
W3
Y4
D24
F30
G33
N31
E25
D30
H32
M32
C24
E23
B24
D23
D25
F24
C26
B25
B26
D27
D26
E27
B27
D28
C28
B28
E29
F28
B29
C30
B30
B31
C32
D29
C33
B33
B35
D32
B34
E31
D31
D33
D35
G31
C35
F33
E33
D34
E35
F32
J34
G34
H35
F35
J33
J31
G35
H33
J35
K32
N33
K33
L31
L33
K35
L35
M35
M33
P32
P33
L34
N34
N35
P35
F26
B32
E34
R31
AJ31
AJ33
T33
T35
V32
B23
F22
R34
U31
R33
T32
U35
V35
R35
U34
W34
U33
V33
W35
Y33
W31
W33
Y35
AG31
AA33
AH33
AG33
AJ35
AF32
AJ34
AH32
AG35
AE31
AH35
AF35
AE35
AE33
AE34
AF33
AG34
AC33
AD32
AD33
AC35
AD35
AC31
AC34
AB35
AB32
AB33
AA35
AA31
Y32
AA34
AL36
AK34
AJ36
AK35
D22
C22
B22
B6
F7
B5
Y5
W4
V2
W6
V4
U2
V5
U4
R2
T4
R3
T5
P2
R4
N2
R6
L3
L4
K2
L6
J2
J3
K4
J4
J6
H4
G3
H5
F2
G4
E2
G6
E3
F4
D2
F5
E4
B2
E6
B3
AA26
W26
U26
R26
L20
R36
AC/BE3#
AC/BE2#
AC/BE1#
AC/BE0#
AREQ#
AGNT#
AFRAME#
AIRDY#
ATRDY#
ADEVSEL#
ASERR#
ASTOP#
APAR
RBF#
WBF#
GC_DET#
ADBIH/PIPE#
ADBIL
SB_STB
SB_STB#
AD_STB0
AD_STB0#
AD_STB1
AD_STB1#
AGPCLK
AGPCOMP_P
AGPCOMP_N
A1XAVDD
A1XAVSS
A4XAVDD
A4XAVSS
AGPVREF
AGPVSSREF
HDSTBN3#
HDSTBN2#
HDSTBN1#
HDSTBN0#
HDSTBP3#
HDSTBP2#
HDSTBP1#
HDSTBP0#
HD63#
HD62#
HD61#
HD60#
HD59#
HD58#
HD57#
HD56#
HD55#
HD54#
HD53#
HD52#
HD51#
HD50#
HD49#
HD48#
HD47#
HD46#
HD45#
HD44#
HD43#
HD42#
HD41#
HD40#
HD39#
HD38#
HD37#
HD36#
HD35#
HD34#
HD33#
HD32#
HD31#
HD30#
HD29#
HD28#
HD27#
HD26#
HD25#
HD24#
HD23#
HD22#
HD21#
HD20#
HD19#
HD18#
HD17#
HD16#
HD15#
HD14#
HD13#
HD12#
HD11#
HD10#
HD9#
HD8#
HD7#
HD6#
HD5#
HD4#
HD3#
HD2#
HD1#
HD0#
DBI3#
DBI2#
DBI1#
DBI0#
CPUCLK
CPUCLK#
HLOCK#
DEFER#
HTRDY#
CPURST#
CPUPWRGD
BPRI#
BREQ0#
RS#2
RS#1
RS#0
ADS#
HITM#
HIT#
DRDY#
DBSY#
BNR#
HREQ4#
HREQ3#
HREQ2#
HREQ1#
HREQ0#
HASTB1#
HASTB0#
HA31#
HA30#
HA29#
HA28#
HA27#
HA26#
HA25#
HA24#
HA23#
HA22#
HA21#
HA20#
HA19#
HA18#
HA17#
HA16#
HA15#
HA14#
HA13#
HA12#
HA11#
HA10#
HA9#
HA8#
HA7#
HA6#
HA5#
HA4#
HA3#
C1XAVSS
C1XAVDD
C4XAVSS
C4XAVDD
HCOMP_P
HCOMP_N
HCOMPVREF_N
ST0
ST1
ST2
AAD0
AAD1
AAD2
AAD3
AAD4
AAD5
AAD6
AAD7
AAD8
AAD9
AAD10
AAD11
AAD12
AAD13
AAD14
AAD15
AAD16
AAD17
AAD18
AAD19
AAD20
AAD21
AAD22
AAD23
AAD24
AAD25
AAD26
AAD27
AAD28
AAD29
AAD30
AAD31
SBA7
SBA6
SBA5
SBA4
SBA3
SBA2
SBA1
SBA0
HVREF0
HVREF1
HVREF2
HVREF3
HVREF4
DPWR#
R328 8.2K