Prepared by:REV:
PAGE:
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TITLE:
Date:
OF Universal Scientific Industrial Co.,Ltd.
Document Number:2004/04/14
USI R
XXXXXXXX PAGE 14 VGA CONNECTOR B PAGE 11 DDR2 CHANNEL B DIMM X 2
E PAGE 21 FAN X 3,S-ATA & POV3
TOMAHAWK SCHEMATICS
CONTENTS
12PAGE 27 CPU PWM
7PAGE 25 LAN(10/100/1000Mbps) 563
PAGE 1 TITLE
PAGE 26 SYSTEM POWER 2
PAGE 30 TPM
3478
8
6
C D 1
E
F
4
5
PAGE 29 PCI SLOTS X 2PAGE 23 AC97/AZALIA CODEC(AD1981B/1986) & MONO AMP PAGE 24 AUDIO CONNECTOR,REAR USB PORTS X 2 & AFPIO LAST PAGE HISTORY
PAGE 28 PCI-EXP X 1 SLOT & PCI-EXP X 16 SLOT PAGE 18 CLOCK GENERATOR PAGE 10 DDR2 CHANNEL A DIMM X 2 PAGE 13 DDR2 DECOUPLING CAPACITORS PAGE 15,16,17 ICH6
F
3.2
TITLE
TOMAHAWK W.P.YU
A3
1
30
PAGE 6,7,8,9 INTEL GRANTSDALE
PAGE 19 SIO(NS PA3L)
PAGE 12 DDR2 TERMINATION RESISTORS A
PAGE 20 PARALLEL & SERIAL PORTS PAGE 2 SYSTEM BLOCK DIAGRAM REV : 3.2
B
C
PAGE 3,4,5 LGA775 SOCKET
D
A
PAGE 22 IDE,K/B,MOUSE CONNECTORS AND REAR USB PORTS X 4
Prepared by:REV:
PAGE:
SIZE:
TITLE:
Date:
OF Universal Scientific Industrial Co.,Ltd.
Document Number:2004/04/14
USI R
XXXXXXXX 64TOMAHAWK BLOCK DIAGRAM
Support Dual Channel mode.
Rear P28
R,G,B
P19,21
B
P19
A
CPU CORE
33MHZ
P19
E
5GMCH
DVO
P15
(TEJAS)C
P10,11,12,13
DDR2 DIMM X 4
P26
P3,4,5
P25
1P20
AC97/Azalia Link
Mic In Line In
4 IDE S-ATA USB Ports X 2
P24
36POV3 CON
NS PA3L
P15,16,17
F
3P21
P14
1B
Front Line Out
Intel 82802
Processor 2D
FWH
Audio Codec
P20
CK-410
PCI -EXP X 1(100MHZ)
USB Ports X 6
7P6,7,8,9
PCI Express X 16 SLOT C
CLOCK D Intel ICH6
Board
POWER
Connector x 2
10/100/1000Mbps
F SYSTEM Keyboard/Mouse PCI-EXP Bus DDR2 400/533
PCI LAN
PCI Slots X 2
(PRESCOTT)
DMI(100 MHZ)
A
E
Intel Grantsdale
Fan x 3
P22,24
P18
24Line Out
Super I/O
ATA66/ATA100
Connector
FSB (800/1067 MHZ)
Floppy BCM5705M
150M/B/S
Generator 7P25
P22
P29
PWM
P23,24
Connector
USB Port X 2Parallel Serial P27
P22
30
2
A3
W.P.YU
TOMAHAWK System Block
3.2
8
LGA775USB 2.0
8
VGA CONNECTOR
Front 5PCI-EXP X 1 Slot
1 IDE Connector Connector
ATX Connector
LPC Bus(33MHZ)
P28