Aaeon PCM-5895 Manual page 61

Onboard amd geode lx 800/900 processor up to 24-bit lvds lcd 184-pin ddr 333/400 memory up to 1gb 4 usb 2.0 / 8-bit digital i/o / 4 com
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C o m p a c t B o a r d
1
Returns to the Wait for Key state. This bit is used when the
configuration sequence is completed.
0
Resets all logical devices and restores configuration
registers to their power-on states.
WatchDog Timer Control Register (Index=71h, Default=00h)
Bit
Description
7
WDT is reset upon a CIR interrupt
6
WDT is reset upon a KBC (Mouse) interrupt
5
WDT is reset upon a KBC (Keyboard) interrupt
4
WDT is reset upon a read or a write to the Game port base
address
3-2
Reserved
1
Force Time-out. This bit is self-clearing
0
WDT status
1: WDT value reaches 0
0: WDT value is not 0
WatchDog Timer Configuration Register (Index=72h, Default=00h)
Bit
Description
7
WDT Time-out value select
1: Second
0: Minute
6
WDT output through KRST (pulse) enable
5
WDT Time-out value Extra select
1: 4s.
0: Determine by WDT Time-out value select (bit7 of this
register)
4
WDT output through PWROK1/PWROK2 (pulse) enable
3
Select the interrupt level
WatchDog Timer Time-out Value (LSB) Register (Index=73h,
Default=00h)
Bit
Description
7-0
WDT Time-out value 7-0
WatchDog Timer Time-out Value (MSB) Register (Index=74h,
Default=00h)
Bit
Description
7-0
WDT Time-out value 15-8
Appendix A Programming the Watchdog Timer
P C M - 5 8 9 5 R e v . B
note
for WDT
A - 4

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