ADLINK cPCI-3510 Series User Manual

Page 98

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84

Watchdog Timer

Response

2

[7] - reserved
[6:4] - pre-timeout interrupt
000b = none
001b = SMI (optional)
010b = NMI / Diagnostic
Interrupt (optional)
011b = Messaging Interrupt
100b,111b = reserved
[3] - reserved
[2:0] - timeout action
000b = no action
001b = Hard Reset
010b = Power Down
011b = Power Cycle
100b,111b = reserved

Timer Actions

3

1h~ffh ( ‘1h’ based.)

Pre-timeout interval in
seconds.

4

[7] - reserved
[6] - reserved
[5] - OEM
[4] - SMS/OS
[3] - OS Load
[2] - BIOS/POST
[1] - BIOS FRB2
[0] - reserved
0b = leave alone
1b = clear timer use
expiration bit

Timer Use Expiration flags
clear

5

00h~ffh ,LS byte (100 ms/
count)

Initial countdown value

6

00h~ffh ,MS byte (100 ms/
count)

Initial countdown value

7

00h~ffh ,LS byte (100 ms/
count)

Present countdown value

8

00h~ffh ,MS byte (100 ms/
count)

Present countdown value

Action

Byte

Value

Description

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