Acrosser AR-B1565 - Manual (Page 32)

AR-B1565/1565A User’s Guide
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C:>debug
! O 443 88H
Generally, watchdog function would
generate IRQ 9 after 8 seconds
! O 443 0H
Disable watchdog function
3.3.2 Watchdog Timer Trigger
After you enable the watchdog timer, your program must write the same factor as triggering to the watchdog timer
at least once during every time-out period. You can change the time-out period by writing another timer factor to
the watchdog register at any time, and you must trigger the watchdog during every new time-out period in next
trigger.
4. INSTALLATION
This chapter describes the installation procedure. The following topics are covered:
! Overview
! Utility CD-ROM
4.1 OVERVIEW
This chapter provides information for you to set up a working system based on the AR-B1565/1565A CPU board.
Please carefully read the details of the CPU board’s hardware descriptions before installation. Pay special attention
to the jumper settings, switch settings and cable connections.
Follow steps listed below for proper installation:
Step 1: Read the CPU board’s hardware description in this manual.
Step 2: Set jumpers.
Step 3: Make sure that the power supply connected to your AR-B1565/1565A CPU board is turned off.
Step 4: Connect all necessary cables. Make sure that the HDD; serial and parallel cables are connected to
pin 1 of the related connector (not upside down).
Step 5: Connect the hard disk flat cables from the CPU board to the drives. Connect a power source to
drive.
Step 6: Plug the keyboard into the keyboard connector.
Step 7: Turn on the power.
Step 8: Configure your system with the BIOS Setup program (section 5) then re-boot your system.
Step 9: If the CPU board does not work, turn off the power and read the hardware description carefully
again.
Step 10: If the CPU board still does not perform properly, return the board to your dealer for immediate
service.