IBM Computer Hardware ETX DB ATX User Manual

Contents  
1. Introduction.........................................................................4  
1.1 Specifications.............................................................................4  
1.2 What You Have..........................................................................5  
ETX-DB-ATX  
ETX MODULE BASEBOARD  
PCB V1.2  
2. Installation...........................................................................6  
2.1 ETX-DB-ATX Board Layout.......................................................6  
2.2 Unpacking Precautions .............................................................8  
2.3 LCD Vcc Voltage Selector.........................................................8  
2.4 Clear CMOS Setup....................................................................8  
2.5 WatchDog Timeout Active Selector...........................................9  
2.6 Internal Buzzer Enable/Disable.................................................9  
2.7 Ethernet Controller Setting........................................................9  
3. Connection ........................................................................10  
3.1 ETX Connector X1...................................................................10  
3.2 ETX Connector X2................................................................... 11  
3.3 ETX Connector X3...................................................................12  
3.4 ETX Connector X4...................................................................13  
3.5 Floppy Disk Drive Connector ..................................................14  
3.6 PCI E-IDE Disk Drive Connector.............................................15  
3.7 Parallel Port .............................................................................16  
3.8 Serial Ports ..............................................................................16  
3.9 USB Port Connector................................................................17  
3.10 IrDA Infrared Interface Port ...................................................18  
3.11 TV-OUT Interface Port...........................................................18  
3.12 VGA Connector......................................................................18  
3.13 LCD/LVDS Interface Connector ............................................19  
3.14 LAN RJ45 Connector ............................................................19  
3.15 AUDIO JACK .........................................................................20  
Manual Revision 1.0  
April 11, 2002  
Copyright 2003 by ICP Electronics Inc. All Rights Reserved.  
The information in this document is subject to change without prior notice in order to  
improve reliability, design and function and does not represent a commitment on the part  
of the manufacturer.  
In no event will the manufacturer be liable for direct, indirect, special, incidental, or  
consequential damages arising out of the use or inability to use the product or  
documentation, even if advised of the possibility of such damages.  
This document contains proprietary information protected by copyright. All rights are  
reserved. No part of this manual may be reproduced by any mechanical, electronic, or  
other means in any form without prior written permission of the manufacturer.  
Trademarks  
ETX-DB-ATX is a registered trademark of ICP Electronics Inc. IBM PC is a registered  
trademark of International Business Machines Corporation. Intel is a registered  
trademark of Intel Corporation. Other product names mentioned herein are used for  
identification purposes only and may be trademarks and/or registered trademarks of their  
respective companies  
2
ETX-DB-ATX  
 
*ISA interface: One ISA slots.  
*10/100Mbps Ethernet Controller: Intel 82551QM or Realtek  
RTL8100 IEEE802.u 100 BASE-TX standard Dual  
Auto-sensing interface to 10MBps or 100MBps networks. On  
board RJ45 connectors provide for easy connection.  
*Power connector: standard ATX power connector  
*Dimension: 304mm x 190mm  
2
Installation  
This chapter gives instructions about how to set up the  
ETX-DB-ATX hardware, including directions of connecting  
peripherals. Before installation, please pay attention to the  
unpacking precautions on the following page for safety.  
2.1 ETX-DB-ATX Board Layout  
1.2 What You Have  
Before you begin installing the product, please check the  
following materials are included in the package:  
• 1 ETX-DB-ATX ETX module baseboard  
• 1 3.5” IDE flat cable (ATA-66, 44 pin 2.54mm pitch,  
457mm)(32200-000052)  
• 1 floppy cable (for 3.5” FDD only) (32200-000017)  
• 1 serial port cable (for RS232) (32200-0000??)  
If any of these items are missing or damaged, contact your  
distributor or sales representative immediately.  
5
6
ETX-DB-ATX  
ETX-DB-ATX  
 
2.2 Unpacking Precautions  
Some components of ETX-DB-ATX are very sensitive to static  
electric charges and can be damaged by a sudden rush of  
power. To protect it from unintended damage, be sure to note  
these precautions:  
CN14  
CN13  
CN4  
KB/MS  
USB  
CN8  
JP4  
CN15  
48 BIT LVDS  
Battery  
CN12  
JP6  
CN9  
Ground yourself to remove any static charge before touching  
the ETX-DB-ATX. You can do it by using a grounded wrist  
strap at all times or by frequently touching any conducting  
materials that is connected to the ground.  
Handle your ETX-DB-ATX by its edges. Don’t touch IC chips,  
leads or circuitry if not necessary.  
COM1  
X3  
X4  
LPT1  
VGA  
CN2  
CN10  
Do not plug any connector or jumper while the power is on.  
AUDIO  
CN3  
2.3 LCD Vcc Voltage Selector  
The LCD interface connector CN1, CN2, CN6 can provide 5V  
or 3.3V power supply by selecting the JP4 to meet the different  
LCD requirement.  
X1  
X2  
PSLOT1  
PSLOT2  
JP4  
1-2  
2-3  
DESCRIPTION  
5V  
3.3V  
JP10  
2.4 Clear CMOS Setup  
CN1  
If you need to clear the CMOS Setup (for example, forgot the  
password, you should clear the setup and then set the  
password again.), you should close the JP6 about 3 seconds,  
then open it again. Set back to normal operation mode by open  
JP6.  
Digital IO  
JP7  
ISA1  
JP6: Clear CMOS Setup (Reserve Function)  
JP6  
1-2  
2-3  
DESCRIPTION  
Normal Operation  
Clear CMOS Setup  
ETX-DB-ATX Layout  
7
8
ETX-DB-ATX  
ETX-DB-ATX  
 
3
2.5 WatchDog Timeout Active Selector  
Connection  
Reading I/O port 443H enables the WatchDog Timer. It should  
be triggered before the time-out period ends, otherwise it will  
assume the program operation is abnormal and will issue a  
reset signal or an interrupt signal. The Watch-Dog Timer is  
disabled by reading port 043/843H.detail information on  
WatchDog Timer Refer to Appendix A  
This chapter describes how to connect peripherals, switches  
and indicators to the ETX-DB-ATX board.  
3.1 ETX Connector X1  
X1: PCI-Bus, USB, and Audio  
JP7: WatchDog Active Select  
JP7  
1-2  
2-3  
DESCRIPTION  
RESET  
PIN SIGNAL  
PIN SIGNAL  
PIN SIGNAL  
PIN SIGNAL  
1
GND  
2
GND  
51  
53  
55  
57  
59  
61  
63  
65  
67  
69  
71  
73  
75  
77  
79  
81  
83  
85  
87  
89  
91  
93  
95  
97  
99  
5V  
52  
54  
56  
58  
60  
62  
64  
66  
68  
70  
72  
74  
76  
78  
80  
82  
84  
86  
88  
90  
92  
94  
96  
98  
100  
5V  
IRQ11  
3
PCICLK3  
GND  
4
PCICLK4  
GND  
PAR  
SERR#  
RESERVED  
USB2#  
DEVSEL#  
USB3#  
STOP#  
USB2  
GND  
5
6
PERR#  
PME#  
LOCK#  
TRDY#  
IRDY#  
FRAME#  
GND  
7
PCICLK1  
REQ3#  
GNT2#  
REQ2#  
REQ1#  
GNT0#  
5V  
8
PCICLK2  
GNT3#  
3.3V  
2.6 Internal Buzzer Enable/Disable  
9
10  
12  
14  
16  
18  
20  
22  
24  
26  
28  
30  
32  
34  
36  
38  
40  
42  
44  
46  
48  
50  
11  
13  
15  
17  
19  
21  
23  
25  
27  
29  
31  
33  
35  
37  
39  
41  
43  
45  
47  
49  
CN17 Pin 6 & Pin 8: Internal Buzzer Enable/Disable  
GNT1#  
3.3V  
CN17 Pin 6 & Pin 8  
On(short)  
DESCRIPTION  
Enable  
RESERVED  
5V  
AD16  
AD17  
AD19  
AD20  
AD22  
AD23  
AD24  
5V  
CBE2#  
USB3  
AD18  
Off(open)  
Disable  
SERIRQ  
AD0  
REQ0#  
3.3V  
2.7 Ethernet Controller Setting  
AD1  
AD2  
USB0#  
AD21  
The On Board Ethernet Controller can be enable or disable by  
selecting the JP10.  
AD4  
AD3  
AD6  
AD5  
USB1#  
CBE3#  
5V  
JP10  
1-2  
2-3  
DESCRIPTION  
Enable  
CBE0#  
AD8  
AD7  
AD9  
Disable  
GND  
GND  
AD25  
AD28  
AD27  
AD30  
PCIRST#  
INTC#  
INTA#  
GND  
AD26  
AD10  
AD11  
AD12  
AD13  
AD14  
AD15  
CBE1#  
LINE-IN-L  
MIC  
USB0  
AD29  
LINE-IN-R  
ASVCC  
LINE-OUT-L  
ASGND  
LINE-OUT-R  
USB1  
AD31  
INTD#  
INTB#  
GND  
9
10  
ETX-DB-ATX  
ETX-DB-ATX  
 
3.3 ETX Connector X3  
3.2 ETX Connector X2  
X3: VGA, LCD, Video, COM1, COM2, LPT/Floppy, Irda, Mouse,  
and Keyboard  
X2: ISA Bus  
PIN SIGNAL  
PIN SIGNAL  
PIN SIGNAL  
PIN SIGNAL  
PIN SIGNAL  
PIN SIGNAL  
PIN SIGNAL  
PIN SIGNAL  
1
GND  
2
GND  
51  
53  
55  
57  
59  
61  
63  
65  
67  
69  
71  
73  
75  
77  
79  
81  
83  
85  
87  
89  
91  
93  
95  
97  
99  
5V  
52  
54  
56  
58  
60  
62  
64  
66  
68  
70  
72  
74  
76  
78  
80  
82  
84  
86  
88  
90  
92  
94  
96  
98  
100  
5V  
1
GND  
2
GND  
51  
53  
55  
57  
59  
61  
63  
65  
67  
69  
71  
73  
75  
77  
79  
81  
83  
85  
87  
89  
91  
93  
95  
97  
99  
LPT/FLPY#  
5V  
52  
54  
56  
58  
60  
62  
64  
66  
68  
70  
72  
74  
76  
78  
80  
82  
84  
86  
88  
90  
92  
94  
96  
98  
100  
RESERVED  
GND  
3
SD!4  
SD13  
SD12  
SD11  
SD10  
SD9  
4
SD15  
SA6  
IRQ5  
3
R
4
B
5
6
MASTER#  
DRQ7  
SA7  
IRQ6  
5
CRTHSYNC  
CRTVSYNC  
N.C.  
6
G
STB#  
AFD#  
PD7  
7
8
SA8  
IRQ7  
7
8
DDCSCL  
DDCSDA  
TXOUT13-  
TXOUT13+  
GND  
RESERVED  
IRRX  
9
10  
12  
14  
16  
18  
20  
22  
24  
26  
28  
30  
32  
34  
36  
38  
40  
42  
44  
46  
48  
50  
DACK7#  
DRQ6  
SA9  
SYSCLK  
REFSH#  
REQ1  
DACK1#  
GND  
9
10  
12  
14  
16  
18  
20  
22  
24  
26  
28  
30  
32  
34  
36  
38  
40  
42  
44  
46  
48  
50  
ERR#  
PD6  
11  
13  
15  
17  
19  
21  
23  
25  
27  
29  
31  
33  
35  
37  
39  
41  
43  
45  
47  
49  
SA10  
SA11  
SA12  
GND  
SA13  
SA14  
SA15  
SA16  
SA18  
SA19  
IOCHRDY  
5V  
11  
13  
15  
17  
19  
21  
23  
25  
27  
29  
31  
33  
35  
37  
39  
41  
43  
45  
47  
49  
TXCLK1-  
TXCLK1+  
GND  
IRTX  
DACK6#  
DRQ5  
RXD2  
GND  
INIT#  
GND  
SD8  
MEMW#  
MEMR#  
LA17  
LA18  
LA19  
LA20  
LA21  
LA22  
LA23  
GND  
DACK5#  
DRQ0  
TXOUT11+  
TXOUT11-  
GND  
TXOUT12+  
TXOUT12-  
GND  
RTS2#  
DTR2#  
DCD2#  
DSR2#  
CTS2#  
TXD2  
PD5  
DRQ3  
DACK3#  
IOR#  
SLIN#  
PD4  
DACK0#  
IRQ14  
IIQR15  
IRQ12  
IRQ11  
TXOUT03-  
TXOUT03+  
GND  
TXOUT10+  
TXOUT10-  
GND  
PD3  
IOW#  
SA17  
SMEMR#  
AEN  
PD2  
PD1  
TXOUT02-  
TXOUT02+  
GND  
TXCLK0+  
TXCLK0-  
GND  
RI2#  
PD0  
IRQ10  
IOCS16#  
GND  
5V  
5V  
5V  
RXD1  
RTS1#  
DTR1#  
DCD1#  
DSR1#  
CTS1#  
TXD1  
ACK#  
BUSY#  
PE  
SD0  
SMEMW#  
SD1  
TXOUT00+  
TXOUT00-  
5V  
TXOUT01+  
TXOUT01-  
5V  
SBHE#  
SA0  
MEMCS16#  
OSC  
SD2  
SD3  
ZOWS#  
SD4  
SLCT  
MSCLK  
MSDATA  
KBCLK  
KBDATA  
GND  
SA1  
BALE  
DRQ2  
SD5  
N.C.  
N.C.  
SA1  
TC  
IRQ9  
N.C.  
FPENABKL  
FPENAVDD  
TV-Y  
SA3  
DACK2#  
IRQ3  
SD6  
SD7  
N.C.  
SA4  
IOCHK#.  
GND  
RSTDRV  
GND  
TV-CVBS  
TV-SYNC  
RI1#  
SA5  
IRQ4  
TV-C  
GND  
11  
12  
ETX-DB-ATX  
ETX-DB-ATX  
 
3.5 Floppy Disk Drive Connector  
3.4 ETX Connector X4  
ETX-DB-ATX board is equipped with a 34-pin daisy-chain  
driver connector cable.  
X4: IDE1, IDE2, and Miscellaneous  
CN4: FDC CONNECTOR  
PIN NO. DESCRIPTION PIN NO.  
DESCRIPTION  
PIN SIGNAL  
PIN SIGNAL  
PIN SIGNAL  
PIN SIGNAL  
1
3
5
7
GROUND  
GROUND  
GROUND  
GROUND  
GROUND  
GROUND  
GROUND  
GROUND  
GROUND  
GROUND  
GROUND  
GROUND  
GROUND  
GROUND  
GROUND  
GROUND  
GROUND  
2
4
6
8
REDUCE WRITE  
N/C  
N/C  
1
GND  
2
GND  
51  
53  
55  
57  
59  
61  
63  
65  
67  
69  
71  
73  
75  
77  
79  
81  
83  
85  
87  
89  
91  
93  
95  
97  
99  
SIED_IOW#  
SIDE_DRQ  
SIDE_D15  
SIDE_D0  
SIDE_D14  
SIDE_D1  
SIDE_D13  
GND  
52  
54  
56  
58  
60  
62  
64  
66  
68  
70  
72  
74  
76  
78  
80  
82  
84  
86  
88  
90  
92  
94  
96  
98  
100  
PIDE_IOR#  
PIDE_IOW#  
PIDE_DRQ  
PIDE_D15  
PIDE_D0  
PIDE_D14  
PIDE_D1  
GND  
3
5VSB  
4
PWGIN  
SPEAKER  
VBAT  
5
PS_ON  
6
INDEX#  
7
PWRBTN#  
KBINH  
8
9
10  
12  
14  
16  
18  
20  
22  
24  
26  
28  
30  
32  
34  
MOTOR ENABLE A#  
DRIVE SELECT B#  
DRIVE SELECT A#  
MOTOR ENABLE B#  
DIRECTION#  
STEP#  
WRITE DATA#  
WRITE GATE#  
TRACK 0#  
WRITE PROTECT#  
READ DATA#  
SIDE 1 SELECT#  
DISK CHANGE#  
9
10  
12  
14  
16  
18  
20  
22  
24  
26  
28  
30  
32  
34  
36  
38  
40  
42  
44  
46  
48  
50  
N.C.  
11  
13  
15  
17  
19  
21  
23  
25  
27  
29  
31  
33  
11  
13  
15  
17  
19  
21  
23  
25  
27  
29  
31  
33  
35  
37  
39  
41  
43  
45  
47  
49  
WDTACT#  
ROMKBCS#  
ROMCS#  
5V  
N.C.  
N.C.  
I2CCLK  
5V  
SIDE_D2  
SIDE_D12  
SIDE_D3  
SIDE_D11  
SIDE_D4  
SIDE_D10  
SIDE_D5  
5V  
PIDE_D13  
PIDE_D2  
PIDE_D12  
PIDE_D3  
PIDE_D11  
PIDE_D4  
PIDE_D10  
5V  
OVRCUR  
EXTSMI#  
SMBCLK  
SIDE_CS3#  
SIDE_CS1#  
SIDE_A2  
SIDE_A0  
GND  
DIOCS#  
I2CDATA  
SMBDATA  
N.C.  
DASP_S  
PIDE_CS3#  
PIDE_CS1#  
GND  
SIDE_D9  
SIDE_D6  
SIDE_D8  
RING#  
PIDE_D5  
PIDE_D9  
PIDE_D6  
N.C.  
PDIAG_S  
SIDE_A1  
SIDE_IRQ#  
N.C.  
PIDE_A2  
PIDE_A0  
PIDE_A1  
N.C.  
N.C.  
PIDE_D8  
SIDE_D7  
PIDE_D7  
IDERST#  
GND  
SIDE_DACK#  
SIDE_IORDY  
SIDE_IOR#  
5V  
PIDE_IRQ#  
PIDE_DACK#  
PIDE_IORDY  
5V  
N.C.  
N.C.  
N.C.  
GND  
13  
14  
ETX-DB-ATX  
ETX-DB-ATX  
 
3.6 PCI E-IDE Disk Drive Connector  
For IDE HDD connection, The ETX-DB-ATX was designed  
with two 2.54mm standard IDE connector (CN13, CN14)  
3.7 Parallel Port  
This port is usually connected to a printer, The ETX-DB-ATX  
includes an on-board parallel port (CN11), accessed through a  
25 pin D-sub connector.  
CN13: 40-pin Primary IDE Interface Connector  
CN14: 40-pin Secondly IDE Interface Connector  
CN11: Parallel Port1 D-sub Connector  
PIN  
NO.  
1
3
5
PIN  
NO.  
2
4
6
PIN  
NO.  
PIN  
NO.  
DESCRIPTION  
DESCRIPTION  
GROUND  
DATA 8  
DATA 9  
DESCRIPTION  
STROBE#  
DATA 0  
DATA 1  
DATA 2  
DATA 3  
DATA 4  
DATA 5  
DATA 6  
DATA 7  
ACKNOWLEDGE  
BUSY  
PAPER EMPTY  
PRINTER SELECT  
DESCRIPTION  
RESET#  
DATA 7  
DATA 6  
DATA 5  
DATA 4  
DATA 3  
DATA 2  
DATA 1  
DATA 0  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
AUTO FORM FEED #  
ERROR#  
INITIALIZE  
PRINTER SELECT LN#  
GROUND  
GROUND  
GROUND  
GROUND  
GROUND  
7
9
8
DATA 10  
DATA 11  
DATA 12  
DATA 13  
DATA 14  
DATA 15  
N/C  
GROUND  
GROUND  
GROUND  
GROUND  
GROUND–DEFAULT  
N/C  
10  
12  
14  
16  
18  
20  
22  
24  
26  
28  
30  
32  
34  
36  
38  
40  
11  
13  
15  
17  
19  
21  
23  
25  
27  
29  
31  
33  
35  
37  
39  
GROUND  
IDE DRQ  
IOW#  
GROUND  
GROUND  
GROUND  
IOR#  
IDE CHRDY  
IDE DACK  
INTERRUPT  
SA1  
SA0  
HDC CS0#  
HDD ACTIVE#  
N/C  
SA2  
HDC CS1#  
GROUND  
3.8 Serial Ports  
The ETX-DB-ATX offers two serial ports. These ports let you  
connect to serial devices or a communication network. One  
9-pin D-SUB connector, one 10-pin header, The detailed pin  
15  
16  
ETX-DB-ATX  
ETX-DB-ATX  
 
3
4
USBD1+  
GND  
3
4
USBD0+  
GND  
assignment of the connectors are specified as following  
tables:  
CN9: Serial Port1 Connector (9-pin D-sub)  
CN3: Internal USB Connector  
PIN NO. DESCRIPTION PIN NO. DESCRIPTION  
1
2
3
4
VCC  
USBD2-  
USBD2+  
GND  
5
6
7
8
GND  
USBD3+  
USBD3-  
VCC  
PIN NO.  
DESCRIPTION  
1
2
3
4
5
6
7
8
9
DATA CARRIER DETECT (DCD)  
RECEIVE DATA  
TRANSMIT DATA  
DATA TERMINAL READY (DTR)  
(RXD)  
(TXD)  
3.10 IrDA Infrared Interface Port  
GROUND  
(GND)  
(DSR)  
(RTS)  
(CTS)  
(RI)  
DATA SET READY  
REQUEST TO SEND  
CLEAR TO SEND  
RING INDICATOR  
CN16: IrDA connector  
PIN NO.  
DESCRIPTION  
VCC  
1
2
3
4
5
N.C.  
IRRX  
Ground  
IRTX  
CN2: Serial Port2 Connector (10-pin Header/W Housing)  
PIN NO.  
DESCRIPTION  
PIN NO.  
DESCRIPTION  
1
3
5
7
9
DCD  
RX  
TX  
DTR  
GND  
2
4
6
8
10  
DSR  
RTS  
CTS  
RI  
3.11 TV-OUT Interface Port  
CN8: TV-out connector  
PIN  
NO.  
DESCRIPTION PIN NO.  
DESCRIPTION  
N/C  
1
3
5
TV-SYNC  
GND  
2
4
6
TV-Y  
TV-C  
TV-CVBS  
GND  
3.12 VGA Connector  
3.9 USB Port Connector  
The ETX-DB-ATX provides four USB interfaces, which gives  
the completed plug and play, for up to 127 external devices.  
CN5: External USB Connector  
The ETX-DB-ATX built-in 15-pin VGA connector accepts the  
CRT monitor.  
CN10: 15-pin Female Connector  
UP PORT  
DOWN PORT  
1
3
5
7
RED  
BLUE  
GROUND  
GROUND  
2
4
6
8
GREEN  
NC  
GROUND  
GROUND  
PIN NO. DESCRIPTION PIN NO. DESCRIPTION  
1
2
VCC  
USBD1-  
1
2
VCC  
USBD0-  
17  
18  
ETX-DB-ATX  
ETX-DB-ATX  
 
9
NC  
NC  
HSYNC  
DDCCLK  
10  
12  
14  
GROUND  
DDC DAT  
VSYNC  
2
3
4
TX-  
RX+  
GND  
6
7
8
RX-  
GND  
GND  
11  
13  
15  
3.15 AUDIO JACK  
CN7: Audio Jack  
3.13 LCD/LVDS Interface Connector  
color  
Lime  
Blue  
Pink  
Signal  
Line-out  
Line-in  
MIC  
The ETX-DB-ATX provides one 30-pin connector for the  
LVDS flat panel interface.  
CN12: Two channel 48 bits LVDS Interface Connector  
3.16 PCI BUS Interface  
PIN  
NO.  
2
PIN NO.  
Description  
GND  
Description  
GND  
PSLOT1: PCI Slot 1  
1
PSLOT2: PCI Slot 2  
3
5
7
9
TxOUT03+  
TxCLKOUT0+  
TxOUT02+  
TxOUT01+  
TxOUT00+  
GND  
TxOUT13+  
TxCLKOUT1+  
TxOUT12+  
TxOUT11+  
TxOUT10+  
GND  
4
6
8
TxOUT03-  
TxCLKOUT0-  
TxOUT02-  
TxOUT01-  
TxOUT00-  
GND  
TxOUT13-  
TxCLKOUT1-  
TxOUT12-  
TxOUT11-  
TxOUT10-  
GND  
PCI Routing List  
10  
12  
14  
16  
18  
20  
22  
24  
26  
28  
30  
11  
13  
15  
17  
19  
21  
23  
25  
27  
29  
SIGNAL  
REQ#  
PIN No. PSLOT 1 PSLOT 2  
B18  
A17  
B16  
A26  
A6  
REQ0# REQ1#  
GNT0# GNT1#  
PCICLK1 PCICLK2  
GNT#  
CLOCK  
IDSEL  
INTA#  
INTB#  
INTC#  
INTD#  
AD19  
AD20  
A
B
C
D
B
C
D
A
PLCD(5V/3.3V)  
PLCD(5V/3.3V)  
PLCD(5V/3.3V)  
PLCD(5V/3.3V)  
B7  
A7  
B8  
3.14 LAN RJ45 Connector  
The ETX-DB-ATX built-in RJ45 LAN connector is for  
10/100Mbps Ethernet. The onboard LAN Chip is Intel  
82551QM or RealTek RTL8100BL.(IDSEL# = AD26, INTx# =  
INTA#, REQx# = REQ1#, GNTx# = GNT1#)  
CN20, CN21: LAN RJ45 Connector  
1
TX+  
5
GND  
19  
20  
ETX-DB-ATX  
ETX-DB-ATX  
 
PSLOT1~PSLOT2: PCI Bus pin assignment  
3.17 ISA BUS Interface  
ISA1: ISA Slot 1  
A
B
NO.  
1
Signal  
N.C.  
NO.  
Signal  
+12V  
N.C.  
NO.  
1
Signal  
-12V  
NO.  
Single  
N.C.  
ISA1: ISA Bus pin assignment  
2
2
3
4
3
4
N.C.  
GND  
+5V  
N.C.  
A
B
C
D
5
6
INTA#  
+5V  
5
6
+5V  
+5V  
NO.  
1
Signal  
NO.  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
Signal  
NO  
1
Signal  
NO  
1
Signal  
7
8
7
INTB#  
N.C.  
8
INTD#  
N.C.  
INTC#  
N.C.  
IOCHCK#  
SD7  
GND  
IRSTDRV  
VCC  
SBHE#  
LA23  
LA22  
LA21  
LA20  
LA19  
LA18  
LA17  
MEMR#  
MEMW#  
SD8  
MEMCS16#  
IOCS16#  
IRQ10  
9
10  
12  
14  
16  
18  
20  
22  
24  
26  
28  
30  
32  
34  
36  
38  
40  
42  
44  
46  
48  
50  
52  
54  
56  
58  
60  
62  
9
10  
12  
14  
16  
18  
20  
22  
24  
26  
28  
30  
32  
34  
36  
38  
40  
42  
44  
46  
48  
50  
52  
54  
56  
58  
60  
62  
+5V  
2
2
2
11  
13  
15  
17  
19  
21  
23  
25  
27  
29  
31  
33  
35  
37  
39  
41  
43  
45  
47  
49  
51  
53  
55  
57  
59  
61  
11  
13  
15  
17  
19  
21  
23  
25  
27  
29  
31  
33  
35  
N.C.  
GND  
N.C.  
GND  
3
SD6  
3
3
GND  
PCIRST#  
GNT#  
PME#  
3.3V  
N.C.  
GND  
GND  
GND  
+5V  
N.C.  
4
SD5  
IRQ9  
4
4
IRQ11  
5
SD4  
-5V  
5
5
IRQ12  
PCICLK  
REQ#  
AD31  
GND  
+5V  
6
SD3  
DRQ2  
-12V  
6
6
IRQ15  
GND  
7
SD2  
7
7
IRQ14  
AD30  
AD28  
GND  
8
SD1  
ZWS  
8
8
DACK0#  
DREQ0  
DACK5#  
DREQ5  
DACK6#  
DREQ6  
DACK7#  
DREQ7  
VCC  
AD29  
AD27  
3.3V  
9
SD0  
+12V  
9
9
AD25  
CBE3#  
GND  
AD26  
AD24  
3.3V  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
IOCHRDY  
AEN  
LA19  
LA18  
LA17  
SA16  
SA15  
SA14  
SA13  
SA12  
SA11  
SA10  
SA9  
GND  
10  
11  
12  
13  
14  
15  
16  
17  
18  
10  
11  
12  
13  
14  
15  
16  
17  
18  
IDSEL  
AD22  
GND  
SMEMW#  
SMEMR#  
IOW#  
AD23  
AD21  
3.3V  
SD9  
SD10  
SD11  
SD12  
SD13  
SD14  
SD15  
AD19  
AD17  
GND  
AD20  
AD18  
3.3V  
IOR#  
AD16  
FRAME#  
TRDY#  
STOP#  
N.C.  
DACK3#  
DRQ3  
DACK1#  
DRQ1  
REFRESH#  
SYSCLK  
IRQ7  
CBE2#  
IRDY#  
GND  
GND  
3.3V  
3.3V  
MASTER#  
GND  
37 DEVSEL#  
GND  
39  
41  
43  
45  
47  
49  
51  
53  
55  
57  
59  
61  
LOCK#  
3.3V  
3.3V  
AD14  
AD12  
GND  
KEY  
AD7  
PERR#  
SERR#  
CBE1#  
GND  
N.C.  
GND  
AD15  
AD13  
GND  
PAR  
IRQ6  
3.3V  
SA8  
IRQ5  
AD10  
KEY  
AD11  
AD9  
SA7  
IRQ4  
KEY  
SA6  
IRQ3  
KEY  
CBE0#  
AD6  
AD8  
SA5  
DACK2  
TC  
3.3V  
3.3V  
SA4  
AD4  
AD5  
AD3  
GND  
SA3  
BALE  
VCC  
AD2  
AD0  
AD1  
GND  
+5V  
SA2  
SA1  
OSC  
+5V  
N.C.  
N.C.  
SA0  
GND  
+5V  
+5V  
+5V  
+5V  
GND  
GND  
21  
22  
ETX-DB-ATX  
ETX-DB-ATX  
 
Digital IO(CN1)  
PIN  
1
3
5
7
NAME  
PIN  
2
4
6
8
NAME  
+5V  
OUT2  
OUT0  
IN2  
GND  
OUT3  
OUT1  
IN3  
3.18 ATX power connector  
9
IN1  
10  
IN0  
PW1: ATX power connector pin assignment  
ATX(PW1)  
PIN  
1
2
3
4
5
6
7
8
NAME  
+3.3V  
+3.3V  
GND  
+5V  
GND  
+5V  
GND  
PWR OK  
STB5V  
+12V  
PIN  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
NAME  
+3.3V  
-12V  
GND  
PS_ON  
GND  
GND  
GND  
-5V  
3.21 Keyboard & PS/2 Mouse Connector  
A 6-pin mini DIN connector (CN6) is located on the mounting  
bracket for easy connection to a keyboard or PS/2 mouse. The  
card comes with a cable to convert from the 6-pin mini-DIN  
connector to two 6-pin mini-DIN connector for keyboard and  
mouse connection  
9
10  
+5V  
+5V  
CN6: Top 6-pin Mini-DIN Mouse Connector  
3.19 Front Panel Pin Header  
PIN NO.  
DESCRIPTION  
MOUSE DATA  
N.C.  
GROUND  
+5V  
MOUSE CLOCK  
N.C.  
CN17: Front Panel Pin Header pin assignment  
1
2
3
4
5
6
Font Panel Pin Header (CN17)  
PIN  
1
3
5
7
NAME  
Power LED+  
Power LED+  
GND  
K/B Lock  
Power LED-  
Power Button1  
Power Button2  
N.C.  
PIN  
2
4
6
8
10  
12  
14  
16  
18  
20  
NAME  
External Buzzer+  
GND  
Internal Buzzer-  
External Buzzer-  
N.C.  
HDD LED-  
HDD LED+  
N.C.  
Reset button1  
Reset button2  
9
CN6: Bottom 6-pin Mini-DIN Keyboard Connector  
11  
13  
15  
17  
19  
PIN NO.  
DESCRIPTION  
KEYBOARD DATA  
N.C.  
GROUND  
+5V  
N.C.  
GND  
1
2
3
4
5
6
3.20 Digital IO connector  
KEYBOARD CLOCK  
N.C.  
CN1: Digital IO connector pin assignment  
23  
24  
ETX-DB-ATX  
ETX-DB-ATX  
 

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