Artesyn ATCA 7370 / ATCA 7370-S Installation and Use (January 2015) - Manual (Page 160)

Maps and Registers
ATCA-7370/ATCA-7370-S Installation and Use (6806800P54H) 160
6.3.12.4 BIOS Reset Payload Request Register
When the BIOS software writes 0xA5 to this address, it will launch a payload request reset. If
the related bit in the reset mark register is high, either a warm or cold reset will occur based on
the reset function register bit.
6.3.12.5 OS Reset Payload Request Register
The OS software writes 0x5A to this address and launches a payload reset request. If the related
bit in reset mask register is high, a warm o cold reset will occur based on the reset function
register bit.
Table 6-55 BIOS Reset Payload Request Register
Address Offset: 0x12
Bit Description Default Access
7:0 Writing magic word 0xA5 will cause a reset
request - LPC: w
Table 6-56 OS Reset Payload Request Register
Address Offset: 0x13
Bit Description Default Access
7:0 Writing magic word 0x5A will cause a reset
request - LPC: w