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User Guide • PC3-ALLEGRO • CompactPCI
®
PlusIO CPU Board • Intel® i7-3xxx Processor
Read/Clear Status Register 0
Write: SMBus Address 0xB0
Read: SMBus Address 0xB1
Bit
7
6
5
4
3
2
1
0
Description CMD_STAT0
PF18S
0=Normal operation
1=Last system reset may be caused by a power failure of the +V1.8S voltage regulator
PF15S
0=Normal operation
1=Last system reset may be caused by a power failure of the +V1.5S voltage regulator
RESERVED
Always read as 0
PFVSA
0=Normal operation
1=Last system reset may be caused by a power failure of the CPU +VCC_SA voltage regulator
PF105L
0=Normal operation
1=Last system reset may be caused by a power failure of the +V1.05LAN voltage regulator
PF105S
0=Normal operation
1=Last system reset may be caused by a power failure of the +V1.05S voltage regulator
PFVRG
0=Normal operation
1=Last system reset may be caused by a power failure of the CPU +VCC_AXG voltage regulator
PFVRC
0=Normal operation
1=Last system reset may be caused by a power failure of the CPU +VCC_CPU voltage regulator
The bits in this register are sticky, i.e. their state will be kept even if a system reset occurs. To clear the bits a write to the register with arbitrary data may be performed.
© EKF -52- ekf.com
User Guide • PC3-ALLEGRO • CompactPCI
®
PlusIO CPU Board • Intel® i7-3xxx Processor
Read/Clear Status Register 1
Write: SMBus Address 0xB2
Read: SMBus Address 0xB3
Bit
7
6
5
4
3
2
1
0
Description CMD_STAT1
RESERVED
Always read as 0
WDGRST
0=Normal operation
1=Last system reset may be caused by a watchdog time-out
WDGHT
0=Normal operation
1=The watchdog already has elapsed half of its time-out period
PF12A
0=Normal operation
1=Power failure on the +12V voltage rail
PF133S
0=Normal operation
1=Last system reset may be caused by a power failure of the +V1.05S or +V3.3S voltages
PF133M
0=Normal operation
1=Last system reset may be caused by a power failure of the +V1.05M or +V3.3M voltages
RESERVED
Always read as 0
RESERVED
Always read as 0
Except of WDGHT the bits in this register are sticky, i.e. theire state will be kept even if a system reset occurs. To clear the bits a write to the register with arbitrary data may be performed.
© EKF -53- ekf.com
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Key Features
- Intel® Core™ i7-3xxx Processor (Ivy Bridge) for high-performance computing
- CompactPCI® PlusIO form factor for flexible system integration
- Comprehensive I/O connectivity including LAN, SATA, USB, and PCI Express®
- Robust design for operation in harsh environments
- Advanced thermal management system for reliable operation under high loads
- Support for a wide range of operating systems including Windows, Linux, and VxWorks
Related manuals
Frequently Answers and Questions
What is the form factor of the PC3-ALLEGRO?
What type of processor does the PC3-ALLEGRO use?
Does the PC3-ALLEGRO support multiple operating systems?
Is the PC3-ALLEGRO suitable for use in harsh environments?
What I/O connectivity options does the PC3-ALLEGRO offer?
Does the PC3-ALLEGRO have advanced thermal management capabilities?
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