Page 1
ATX6021/8G User’s Manual
8 PCI System Backplane
I. Board Dimensions
16.0
1
CN5
1
CN10
CN1
JP2
CN4
JP1
1
23.12
CN2
48.0 5.92
45.7216.50 78.74
+12V
-12V
+5V
-5V
VCC3
5VSB
GND
GND
SMISMI+
5VSB
PO
GND
PI
SMISMI+
GND
PSON
CN9CN6CN7CN8
11 11
NPTH
4.0mm
x 2
10.00
5.0
Datum
20.32
24.43
10.16
31.12
P1 P2 P3 S1 S2 S3 S4
ON
1
ON
1
SW2 SW1
SYS1
142.44
154.94
160.00
SW6 SW5
SW7
ON
1
ON
1
10
10
SW8
ON
10
1
ON
10
1
ON
10
1
ON
10
1
SW4 SW3
10
10
1
Page 2
ATX6021/8G User’s Manual
8 PCI System Backplane
II. Jumper Settings & Connectors
Embedded Control Logic Settings
Jumper Descr iptio n
JP2
JP1
CN8
CN7
CN6
Open: System power ON/OFF via JP1
Short: System power ON/OFF via power supply switch
Short 1-2: System power ON/OFF either by front panel power button CN8
or via ACPI compliant Microsoft Windows software
Short 2-3: System power ON/OFF via front panel power button CN8
Power ON/OFF push button connector to front panel
6-pin cable to CPU card; used for Microsoft Windows Soft-power ON/OFF
(ACPI compliant)
External SMI connector to front panel
Description
DescriptionDescription
III. Pin Assignments
20-pin ATX Power Connectors: CN4
Brown 3.3V 11 1 3.3V Brown
Blue -12V 12 2 3.3V Brown
Black GND
Grey PS-ON
Black GND
Black GND
Black GND
White -5V
Red 5V
Red 5V
13
14
15 5
16 6
17 7
18 8
19 9
20 10
3
GND Black
4
5V Red
GND Black
5V Red
GND Black
PW-OK Orange
5VSB Purple
12V Yellow
2
Page 3
ATX6021/8G User’s Manual
8 PCI System Backplane
Standard PS/2 Power Connector: CN1
Pin Signal P8 & P9 Color
1
NC (P.G.) Orange
2
+5V
DC
3
+12V
DC
4
-12V
DC
5-8
10
11-12
GND Black
9
-5V
+5V
+5V
DC
DC
DC
Keyboard Connector: CN2
Pin Function
1
2
3
4
5
Red
Yellow
Blue
White
Red
Red
K/B clock
K/B data
CN
KBGND
KBVCC
External Power
Connector: CN9
1
GND
2
GND
3
5VSB
4
3.3V
5
-5V
6
+5V
7
-12V
8
+12V
Keyboard Connectors:
CN5 & CN10
1 KBCLK
2 KBDATA
3 No Connector
4 KBGND
5 KBVcc
3
Page 4
ATX6021/8G User’s Manual
8 PCI System Backplane
IV. DIP Switch Settings
DIP Switch Settings
P1 P2 P3
SW1, SW2 ON
(default)
SW3, SW4 ON
SW5, SW6 ON
SW7, SW8 ON
Copyright 1999 by AXIOM Technology Co., Ltd.
All rights reserved.
December 1999, Version A2
Printed in Taiwan
AD30 AD29 AD28 AD31
AD29 AD28 AD31 AD30
AD28 AD31 AD30 AD29
AD31 AD30 AD29 AD28
BRIDGE1
(U1)
Trademarks Acknowledgments
AXIOM is a trademark of AXIOM Technol ogy Co., Ltd.
Other brand names and trademark s are the prope rties and
registered brands of t heir re spective owner s.
Specifications are subje ct to change without notice.
Specifications are subje ct to change without notice.
Specifications are subje ct to change without notice.Specifications are subje ct to change without notice.
4
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