Artesyn ATCA-7480 Installation and Use (February 2015) - Manual (Page 142)

Maps and Registers
ATCA-7480 Installation and Use (6806800T17A) 142
5.1.12.4 BIOS Push Button Enable Register
The BIOS needs to write to this register to enable the Front Panel push button reset, the RTM
push button reset and the IPMC reset.
Table 5-55 BIOS IPMC Watchdog Timeout Register
Address Offset: 0x12
Bit Description Default Access
0 BIOS IPMC Watchdog Timeout:
1: IPMC Watchdog Timeout occurred PWR_GOOD:0 LPC: r/w1c
IPMC: r
1 BIOS IPMC Pre-Timeout
1: IPMC Pre-Timeout occurred PWR_GOOD:0 LPC: r/w1c
IPMC: r
7:2 Reserved 0 r
After a timeout of 8s, the resets are armed again.
Table 5-56 BIOS Push Button Enable Register
Address Offset: 0x13
Bit Description Default Access
7:0 BIOS Push Button Enable Register - LPC: w