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1
VDDQ
R168
-GDEVSEL
8.2K
R180
-GSTOP
8.2K
-GSERR
R186
8.2K
-GPERR
R181
8.2K
GPAR
R185
8.2K
A
R119
-RBF
8.2K
R111
-PIPE
8.2K
R120
-WBF
8.2K
R109
-GREQ
8.2K
-GGNT
R104
8.2K
R124
SB_STB
8.2K
R144
AD_STB1
8.2K
R192
AD_STB0
8.2K
R156
-GFRAME
8.2K
-GTRDY
R167
8.2K
R158
-GIRDY
8.2K
VDDQ
C158
.1u
C125
.1u
B
.1u
C106
.1u
C136
.1u
C153
C108
.1u
R131
-SB_STB
8.2K
R157
-AD_STB1
8.2K
-AD_STB0
R187
8.2K
VDDQ
C161
560P
R198
R214
C
1K 1%
75 1%
AGP_VREF
R213
R199
1K 1%
75 1%
C160
560P
U7
1
VCC
C120
2
.1u
NC
-TYPEDET
3
TYPEDET#
4
PGND
SC1105
D
1
2
VCC3
VDDQ
AGP1
B1
OVRCNT#
B2
+5V
B3
+5V
USB_D0+
B4
USB_D0+
USB+
B5
GND
-INTR_B
B6
-INTR_B
INTB#
GCLKO
B7
GCLKO
CLK
B8
-GREQ
-GREQ
REQ#
B9
VCC3.3
B10
ST0
ST0
ST0
ST2
B11
ST2
ST2
-RBF
B12
-RBF
RBF#
B13
GND
B14
RESERVED
SBA0
B15
SBA0
SBA0
B16
VCC3.3
SBA2
B17
SBA2
SBA2
B18
SB_STB
SB_STB
SB_STB
B19
GND
B20
SBA4
SBA4
SBA4
SBA6
B21
SBA6
SBA6
B22
RESERVED
B23
GND
B24
RESERVED
B25
VCC3.3
GD31
B26
GD31
AD31
GD29
B27
GD29
AD29
B28
VCC3.3
B29
GD27
GD27
AD27
B30
GD25
GD25
AD25
B31
GND
AD_STB1
B32
AD_STB1
AD_STB1
GD23
B33
GD23
AD23
B34
VDDQ
GD21
B35
GD21
AD21
GD19
B36
GD19
AD19
B37
GND
GD17
B38
GD17
AD17
-GBE2
B39
-GBE2
C/BE#2
B40
VDDQ
-GIRDY
B41
-GIRDY
IRDY#
B42
RESERVED
B43
GND
B44
RESERVED
B45
VCC3.3
-GDEVSEL
B46
-GDEVSEL
DEVEL#
B47
VDDQ
-GPERR
B48
PERR#
B49
GND
-GSERR
B50
-GSERR
SERR#
-GBE1
B51
-GBE1
C/BE1#
B52
VDDQ
B53
GD14
GD14
AD14
GD12
B54
GD12
AD12
B55
GND
GD10
B56
GD10
AD10
GD8
B57
GD8
AD8
B58
VDDQ
AD_STB0
B59
AD_STB0
AD_STB0
GD7
B60
GD7
AD7
B61
GND
GD5
B62
GD5
AD5
GD3
B63
GD3
AD3
B64
VDDQ
B65
GD1
GD1
AD1
B66
RESERVED
AGP_SLOT_UNIVERSAL
8
GND
VDDQ
CT46
7
C162
VOSENSE
.1u
1000u/6.3V
+12V
6
12V
Q10
NDP6030L
5
G
DH
L31
4uH
2
1
3
D4
BYV118
For AGP 2X/4X mode
2
VDDQ
VCC3
R103
10K
+12V
A1
+12V
A2
-TYPEDET
TYPEDET#
A3
RESERVED
A4
USB_D0-
USB-
USB_D0-
A5
GND
A6
-INTR_A
INTA#
-INTR_A
A7
-PCIRST
RST#
-PCIRST
A8
-GGNT
-GGNT
GNT#
A9
VCC3.3
A10
ST1
ST1
ST1
A11
RESERVED
A12
-PIPE
-PIPE
PIPE#
A13
GND
A14
-WBF
-WBF
WBF#
A15
SBA1
SBA1
SBA1
A16
VCC3.3
A17
SBA3
SBA3
SBA3
A18
-SB_STB
-SB_STB
SB_STB#
A19
GND
A20
SBA5
SBA5
SBA5
A21
SBA7
SBA7
SBA7
A22
RESERVED
A23
GND
A24
RESERVED
A25
VCC3.3
A26
GD30
AD30
GD30
A27
GD28
AD28
GD28
A28
VCC3.3
A29
GD26
GD26
AD26
A30
GD24
GD24
AD24
A31
GND
A32
-AD_STB1
-AD_STB1
AD_STB1#
A33
-GBE3
-GBE3
C/BE3#
A34
VDDQ
A35
GD22
GD22
AD22
A36
GD20
GD20
AD20
A37
GND
A38
GD18
AD18
GD18
A39
GD16
AD16
GD16
A40
VDDQ
A41
-GFRAME
-GFRAME
FRAME#
A42
RESERVED
A43
GND
A44
RESERVED
A45
VCC3.3
A46
-GTRDY
-GTRDY
TRDY#
A47
-GSTOP
-GSTOP
STOP#
A48
PME#
A49
GND
A50
GPAR
PAR
GPAR
A51
GD15
GD15
AD15
A52
VDDQ
A53
GD13
GD13
AD13
A54
GD11
GD11
AD11
A55
GND
A56
GD9
GD9
AD9
A57
-GBE0
-GBE0
C/BE0#
A58
VDDQ
A59
-AD_STB0
AD_STB0#
-AD_STB0
A60
GD6
AD6
GD6
A61
GND
A62
GD4
AD4
GD4
A63
GD2
AD2
GD2
A64
VDDQ
A65
GD0
GD0
AD0
A66
VREF_4X
RESERVED
VCC3
-TYPEDET
VDDQ
CT40
CT39
CT45
1000u
3
VCC3
R190
VREF_2X
For AGP 2X mode only
VCC3
R191
150 1%
R196
100 1%
C157
.1u
U9
4
5
G2
D2
3
6
S2
D2
U18B
3
4
2
7
G1
D1
1
8
S1
D1
F04
NDS8936
AGPVREF
VIA TECHNOLOGIES, INC.
Title
AGP SLOT & AGP 2X/4X MODE OPTION CIRCUIT
Size
Document Number
C
VT5228C (Preliminary)
Date:
Wednesday, November 24, 1999
3
4
A
VDDQ
R136
0 (OPT)
R123
0 (OPT)
R110
0 (OPT)
R135
0 (OPT)
B
0 (OPT)
AGPVREF
C
VREF_2X
VREF_2X
VREF_4X
C152
.1u
D
Rev
0.1
Sheet
11
of
20
4
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