User`s manual

BDM-610000082 Rev A Chapter 4: Using the cpuModule 71
Table 51 Reset Status Description and Priorities
I/O Address
EA8h
Reset
Signal
Reset
Priority
1
1. When a reset is asserted, all resets with a higher reset priority will also be asserted. For example, if the standby power reset is
asserted, all other resets will also be asserted.
Description
D7 Thermal Trip 2 Indicates that temperature has reached or
exceeded the thermal trip limit. Its assertion
will cause the system to trasition to S5
immediately. For more information, refer to
Hardware-Enforced Thermal Protection on page
66.
D6 Utility Reset —
2
Utility connector push button reset
2
2. The BIOS allows the user to change the function of the utility connector’s push button reset, which thereby changes the power
domain it controls (and its reset priority). Even if the push button is not configured as a reset, this bit will always read a 1
(asserted) when the reset button has been pushed.
D5 System Power 7 Power supplies that are not for standby power
D4 CPU Core Power 6 Power to the AMD G-Series FT1 CPU
D3 Memory Termination Power 5 Power to onboard memory termination
D2 Memory Power 4 Power to onboard memory banks
D1 Main Power 3 Main input power to cpuModule (+5V, +12V)
D0 Standby Power 1 Standby power supplies