Intel VC820 - Desktop Board Motherboard Design Manual page 205

8 7
VRM Processor
D
AGP Bus
AGP
C
IDE Primary UltraDMA/66
IDE Secondary
USB
USB Port 1
USB Port 2
AC'97 Audio
AC'97 Link
Modem
B
FWH
A
8 7
6 5
Block Diagram
Processor VRM
Rambus
3 RIMM
Modules
MCH
ICH PCI CNTRL
PCI ADDR/DATA
SIO
Keyboard Floppy Parallel
Mouse
Serial 1
Serial 2
6 5
4 3
Clock
REFERENCE
DESIGNATOR
U20
U14
U19
U3
U9
U26
U15
U23
U18
U22
U25
U13
U10
U5
U24
82559 LAN
U2
U11
U12
Game Conn U16
U4, U6
U1
U17
U21
U8
U7
4 3
2
Device Table
DEVICE GATES SHEET
TYPE USED NUMBER
74LVC06A A, B, C, D, E, F
74LVC07A A, B, C, D, E, F 9,20,31,36
74LVC07A A, B, C, D, E, F
74LVC08A A, B, C, D 36, 33, 17
74LVC08A A, B
74LVC08A A
74LVC14a A, B, C, D, E, F
74LVC14a A, B, C, D
74LS132 A, B, C, D 31, 33, 36
74LVC07A A, B
74F74 A, B
82801 (ICH)
82820 (MCH)
82559
93C46A
AD1881
CK133
DRCG
FWH
GD75232
LM4880
LPC47B27X
ADM1021
ADM1021
TPS2042
TITLE: INTEL(R) 820 CHIPSET DUAL PROCESSOR CUSTOMER REFERENCE BOARD
BLOCK DIAGRAM
DRAWN BY:
PCD PLATFORM DESIGN
R
1900 PRAIRIE CITY ROAD
LAST REVISED:
FOLSOM, CALIFORNIA 95630
11-29-1999_14:43
2
1
D
33, 36
20,24,36
33
33
33, 36
C
33
33
4
10, 11
8, 9
18
18
15
B
7
7
12
27
16
14
3
5
25
A
REV:
3.03
PROJECT:
SHEET:
2 OF 38
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