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Noté. / 5. Basé sur avis des utilisateurs
1
1
2
2
3
3
4
4
A A
B B
C C
D D
For AGP 2X/4X mode
For AGP 2X mode only
VT5228C (Preliminary) 0.1
AGP SLOT & AGP 2X/4X MODE OPTION CIRCUIT
VIA TECHNOLOGIES, INC.
C
11 20Wednesday, November 24, 1999
Title
Size Document Number Rev
Date: Sheet of
-GDEVSEL
-GSTOP
-GSERR -TYPEDET
-GPERR USB_D0+ USB_D0-
GPAR -INTR_B -INTR_A
GCLKO -PCIRST
-RBF -GREQ -GGNT
-PIPE ST0 ST1
ST2
-WBF -RBF -PIPE
-GREQ -WBF
SBA0 SBA1
-GGNT
SBA2 SBA3
SB_STB SB_STB -SB_STB
AD_STB1 SBA4 SBA5
SBA6 SBA7
AD_STB0
-GFRAME
-GTRDY GD31 GD30
GD29 GD28
-GIRDY
GD27 GD26
GD25 GD24
AD_STB1 -AD_STB1
GD23 -GBE3
GD21 GD22
GD19 GD20
GD17 GD18
-GBE2 GD16
-GIRDY -GFRAME
VREF_2X
-SB_STB
-AD_STB1 -GDEVSEL -GTRDY
-GSTOP
-AD_STB0 -GPERR
-GSERR GPAR
-GBE1 GD15
GD14 GD13
GD12 GD11
GD10 GD9
GD8 -GBE0
AD_STB0 -AD_STB0
GD7 GD6
GD5 GD4
GD3 GD2
GD1 GD0
AGP_VREF VREF_4X
VREF_2X
-TYPEDET
-TYPEDET VREF_2X
VREF_4X
-PCIRST
-INTR_B
-INTR_A
-GREQ
ST0
-GFRAME
-GBE0
-GBE1
-GBE2
-GBE3
-GIRDY
-GTRDY
-PIPE
AD_STB0
AD_STB1
SB_STB
-GDEVSEL
-GSTOP
-RBF
SBA0
SBA1
SBA2
SBA3
SBA4
SBA5
SBA6
SBA7
ST1
ST2
GPAR
-GSERR
GD0
GD1
GD2
GD3
GD4
GD5
GD6
GD7
GD8
GD9
GD10
GD11
GD12
GD13
GD14
GD15
GD16
GD17
GD18
GD19
GD20
GD21
GD22
GD23
GD24
GD25
GD26
GD27
GD28
GD29
GD30
GD31
-GGNT
GCLKO
USB_D0+
USB_D0-
-WBF
-SB_STB
-AD_STB1
-AD_STB0
AGPVREF
AGPVREF
+12V
VCC3 VCC3
VDDQ
VDDQ
VDDQ
VDDQ
VCC3
+12V
VCC3
VDDQ
VDDQ
VCC3 VDDQ
VDDQ
R181
8.2K
R156
8.2K
R158
8.2K
R167
8.2K
R168
8.2K
R180
8.2K
R185
8.2K
R186
8.2K
R104
8.2K
R109
8.2K
R119
8.2K
R111
8.2K
R192
8.2K
R144
8.2K
R124
8.2K
R120
8.2K
AGP1
AGP_SLOT_UNIVERSAL
+12V
A1
TYPEDET#
A2
RESERVED
A3
USB-
A4
GND
A5
INTA#
A6
RST#
A7
GNT#
A8
VCC3.3
A9
ST1
A10
RESERVED
A11
PIPE#
A12
GND
A13
WBF#
A14
SBA1
A15
VCC3.3
A16
SBA3
A17
SB_STB#
A18
GND
A19
SBA5
A20
SBA7
A21
AD30
A26
AD28
A27
VCC3.3
A28
AD26
A29
AD24
A30
GND
A31
AD_STB1#
A32
C/BE3#
A33
VDDQ
A34
AD22
A35
AD20
A36
GND
A37
AD18
A38
AD16
A39
VDDQ
A40
FRAME#
A41
TRDY#
A46
STOP#
A47
PME#
A48
GND
A49
PAR
A50
AD15
A51
VDDQ
A52
AD13
A53
AD9
A56
C/BE0#
A57
VDDQ
A58
AD_STB0#
A59
AD6
A60
GND
A61
AD4
A62
AD2
A63
VDDQ
A64
AD0
A65
RESERVED
A66
OVRCNT#
B1
+5V
B2
+5V
B3
USB+
B4
GND
B5
INTB#
B6
CLK
B7
REQ#
B8
VCC3.3
B9
ST0
B10
ST2
B11
RBF#
B12
GND
B13
RESERVED
B14
SBA0
B15
VCC3.3
B16
SBA2
B17
SB_STB
B18
GND
B19
SBA4
B20
SBA6
B21
AD31
B26
AD29
B27
VCC3.3
B28
AD27
B29
AD25
B30
GND
B31
AD_STB1
B32
AD23
B33
VDDQ
B34
AD21
B35
AD19
B36
GND
B37
AD17
B38
C/BE#2
B39
VDDQ
B40
IRDY#
B41
DEVEL#
B46
VDDQ
B47
PERR#
B48
GND
B49
SERR#
B50
C/BE1#
B51
VDDQ
B52
AD14
B53
AD10
B56
AD8
B57
VDDQ
B58
AD_STB0
B59
AD7
B60
GND
B61
AD5
B62
AD3
B63
VDDQ
B64
AD1
B65
RESERVED
B66
AD12
B54
GND
B55
AD11
A54
GND
A55
RESERVED
A22
RESERVED
B22
GND
B23
GND
A23
RESERVED
B24
RESERVED
A24
VCC3.3
B25
VCC3.3
A25
RESERVED
B42
GND
B43
RESERVED
B44
VCC3.3
B45
RESERVED
A42
GND
A43
RESERVED
A44
VCC3.3
A45
R131
8.2K
R157
8.2K
R187
8.2K
C161
560P
C160
560P
R214
75 1%
R199
75 1%
R198
1K 1%
R213
1K 1%
R196
100 1%
R191
150 1%
U9
NDS8936
S1
1
G1
2
S2
3
G2
4
D2
5
D2
6
D1
7
D1
8
U18B
F04
3 4
R103
10K
C157
.1u
U7
SC1105
VCC
1
NC
2
TYPEDET#
3
PGND
4
DH
5
12V
6
VOSENSE
7
GND
8
C162
.1u
CT46
1000u/6.3V
1 3
2
D4
BYV118
L31
4uH
Q10
NDP6030L
G
DS
CT40
CT39 CT45
1000u
C120
.1u
R136
0 (OPT)
R123
0 (OPT)
R110
0 (OPT)
R135
0 (OPT)
R190
0 (OPT)
C152
.1u
C158
.1u
C125
.1u
C106
.1u
C136
.1u
C153
.1u
C108
.1u
- Design Guide 1
- VT82C694X 1
- Apollo Pro133A 1
- South Bridge 1
- Copyright Notice: 2
- Disclaimer Notice: 2
- Offices: 2
- Online Services: 2
- REVISION HISTORY 3
- TABLE OF CONTENTS 4
- LIST OF FIGURES 7
- LIST OF TABLES 9
- We ConnectWe Connect 10
- INTRODUCTION 11
- 1.1 About This Design Guide 11
- 1.2.3 System Block Diagram 14
- MOTHERBOARD DESIGN GUIDELINES 17
- 2.1 Ballout Assignment 17
- Package Information: 18
- 2.2 Motherboard Description 19
- 2.2.3.1 Four-Layer Board 25
- 2.2.3.2 Six-Layer Board 26
- 2.2.5 Capacitive Decoupling 27
- 2.2.6 Power Plane Partitions 31
- 2.2.8 Power Up Configuration 37
- 2.3.2.1 Clock Requirements 40
- 2.3.2.2 Clocking Scheme 41
- 2.3.2.6 AGP Clock Signals 46
- 2.3.2.7 PCI Clock Signals 47
- (North Bridge) 52
- Socket-370 52
- (a) Component Side 53
- (b) Solder Side 53
- AGP Slot 62
- (Universal) 62
- 2.5.1 USB controller 69
- 2.5.2.1 AC'97 Link 71
- 2.5.2.2 Game/MIDI ports 72
- 2.5.3 Hardware Monitoring 73
- 2.5.6 IDE 76
- 2.5.7 Suspend to DRM 80
- 3.1 SDRAM Timing 83
- ELECTRICAL SPECIFICATIONS 85
- 4.1 Absolute Maximum Ratings 85
- 4.3 DC Characteristics 86
- 4.4 Power Dissipation 86
- 5.1 Overview 87
- Technologies, Inc 100
- 5.4.4 Clock Trace Checklist 102
- APPENDICES 105
- B.1 Introduction 109
- B.2 Layout Recommendations 110
- AC-Coupling Capacitors 111
- Voltage Regulators 112
- On-board Audio Connectors 112
- Ground planes 113
- Power planes 114
- B.2.3 Routing Guidelines 115
- Guidelines 118
- MODEL:VT5228C 121
- P6 KLAMATH SLOT 122
- For AGP 2X/4X mode 131
- For AGP 2X mode only 131
- KEYBOARD WAKE UP 134
- COM1, COM2 AND IR 137
- For STR function 140
- For NON-STR function 140
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