IBM Connection, 9ETX-DB-ATX, WatchDog Timeout Active Selector, ETX Connector, Etx-Db-Atx

2.5 WatchDog Timeout Active Selector

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

3

Connection

This chapter describes how to connect peripherals, switches and indicators to the ETX-DB-ATX board.

•JP7: WatchDog Active Select

JP7	DESCRIPTION
1-2	RESET

3.1 ETX Connector X1

X1: PCI-Bus, USB, and Audio

PIN SIGNAL PIN SIGNAL

PIN SIGNAL PIN SIGNAL

2-3 IRQ11

2.6 Internal Buzzer Enable/Disable

•CN17 Pin 6 & Pin 8: Internal Buzzer Enable/Disable

CN17 Pin 6 & Pin 8	DESCRIPTION
On(short)	Enable
Off(open)	Disable

2.7Ethernet Controller Setting

The On Board Ethernet Controller can be enable or disable by selecting the JP10.

JP10	DESCRIPTION
1-2	Enable
2-3	Disable

1	GND	2	GND
3	PCICLK3	4	PCICLK4
5	GND	6	GND
7	PCICLK1	8	PCICLK2
9	REQ3#	10	GNT3#
11	GNT2#	12	3.3V
13	REQ2#	14	GNT1#
15	REQ1#	16	3.3V
17	GNT0#	18	RESERVED
19	5V	20	5V
21	SERIRQ	22	REQ0#
23	AD0	24	3.3V
25	AD1	26	AD2
27	AD4	28	AD3
29	AD6	30	AD5
31	CBE0#	32	AD7
33	AD8	34	AD9
35	GND	36	GND
37	AD10	38	LINE-IN-L
39	AD11	40	MIC
41	AD12	42	LINE-IN-R
43	AD13	44	ASVCC
45	AD14	46	LINE-OUT-L
47	AD15	48	ASGND
49	CBE1#	50	LINE-OUT-R

51	5V
53	PAR
55	PERR#
57	PME#
59	LOCK#
61	TRDY#
63	IRDY#
65	FRAME#
67	GND
69	AD16
71	AD17
73	AD19
75	AD20
77	AD22
79	AD23
81	AD24
83	5V
85	AD25
87	AD28
89	AD27
91	AD30
93	PCIRST#
95	INTC#
97	INTA#
99	GND

52	5V
54	SERR#
56	RESERVED
58	USB2#
60	DEVSEL#
62	USB3#
64	STOP#
66	USB2
68	GND
70	CBE2#
72	USB3
74	AD18
76	USB0#
78	AD21
80	USB1#
82	CBE3#
84	5V
86	AD26
88	USB0
90	AD29
92	USB1
94	AD31
96	INTD#
98	INTB#
100	GND

9ETX-DB-ATX

ETX-DB-ATX 10