Configuration
CP605
Page 4 - 14
© 2004 Kontron Modular Computers GmbH
ID 25095, Rev. 07
2509
5.07.UG.VC.041005/14220
9
4.5.5
I/O Status 1 Register
This register describes the local and CompactPCI control signals. The watchdog status bit
indicates the status of the watchdog timer. If the timer is not retriggered within the previously
set time period, the bit is set to ”0” and the watchdog LED lights. The fail signal is an output of
the power supply and indicates a power supply failure. For the description of the derate and
enumeration signals please see the Interrupt Routing Register.
Table 4-21: I/O Status 1 Register
REGISTER NAME
I/O STATUS 1 REGISTER
ACCESS
ADDRESS
0x286
R
BIT POSITION
MSB
7
6
5
4
3
2
1
0
LSB
CONTENT
WST
Res.
Res.
Res.
CSLOT
CENUM
CFAIL
CDER
DEFAULT
1
0
0
0
0
0
0
0
BIT
NAME
VAL
DESCRIPTION
0
CDER
0
Indicates power derating (CPCI DEG signal)
1
Power normal
1
CFAIL
0
Indicates a power supply failure (CPCI FAIL signal)
1
Power normal
2
CENUM
0
Indicates the insertion or removal of a hot swap system board (CPCI ENUM)
1
No hot swap event
3
CSLOT
0
Indicates that the board is installed in a system slot
1
Indicates that the board is installed in a peripheral slot
4
0
Reserved
5
0
Reserved
6
0
Reserved
7
WST
0
Indicates that a Watchdog timeout has occurred
1
Indicates that no Watchdog timeout has occurred