PCA-6774 User’s Manual
114
Appendix A Programming the Watchdog
Timer
A.1 Supported Input Timing Modes
In order to program the watchdog timer, you must write a program which
writes I/O port address 443 (hex). The output data is a value of time inter-
val. The value range is from 01 (hex) to 3E (hex), and the related time
interval is 1 sec. to 62 sec.
Data
Time Interval
01
1 sec.
02
2 sec.
03
3 sec.
04
4 sec.
.
.
.
3E
62 sec.
After data entry, your program must refresh the watchdog timer by
rewriting the I/O port 443 (hex) while simultaneously setting it.
When you want to disable the watchdog timer, your program
should read I/O port 443 (hex).
Summary of Contents for PCA-6774
Page 11: ...7 Chapter 1 General Information Figure 1 2 Board layout dimensions solder side...
Page 51: ...PCA 6774 User s Manual 54 2 Select Adapter then Change...
Page 52: ...55 Chapter5 3 Press Next then Display a list 4 Press the Have disk button...
Page 56: ...59 Chapter5 2 Choose the Settings tab and press the Display Type button...
Page 57: ...PCA 6774 User s Manual 60 3 Press the Change button...
Page 61: ...PCA 6774 User s Manual 64 2 Choose the Video Controller VGA Compatible button...
Page 62: ...65 Chapter5 3 Choose the Drive button press Update Driver button...
Page 66: ...69 Chapter5 2 Choose Hardware and Device Manager press OK button...
Page 67: ...PCA 6774 User s Manual 70 3 Choose Video Controller VGA Compatible press OK button...
Page 77: ...PCA 6774 User s Manual 100 7 2 3 Installation for Windows 2000 1 Open Device Manager...
Page 78: ...101 Chapter7 2...
Page 79: ...PCA 6774 User s Manual 102 3 4...
Page 80: ...103 Chapter7 5 6...
Page 81: ...PCA 6774 User s Manual 104 7 8...
Page 83: ...PCA 6774 User s Manual 106 2 a Choose type of network b Click Next 3 a Click Select from list...
Page 85: ...PCA 6774 User s Manual 108 6 Check the highlighted item and click OK...
Page 86: ...109 Chapter7 7 Click Next to continue setup 8 Choose the networking protocols then click Next...
