D-38 Compaq AlphaServer ES40 Service Guide
Table D–14 DPR Locations A0:A9 (Continued)
DPR
Location Description
A2 If bit is set the associated fault is active.
Bit 0 CPU0_VCORE out of tolerance
1 CPU0_VIO out of tolerance
2 CPU1_VCORE out of tolerance
3 CPU1_VIO out of tolerance
4 PCI backplane LM78 1 is over temp
5 Not Used
6 Fan 4 fault
7 Fan 5 fault
A3 Reserved
A4
If bit is set the associated fault is active.
Bit 0 CPU2_VCORE out of tolerance
1 CPU2_VIO out of tolerance
2 CPU3_VCORE out of tolerance
3 CPU3_VIO out of tolerance
4 PCI backplane LM78 2 is over temp
5 Not used
6 Fan 3 fault
7 Fan 6 fault
A5 Bit 7 AC_input value high limit
Bit 6 AC_input value low limit
Bit 5 Minimum fan speed is not reached
Bit 4 Current from +12 volt rail is out of tolerance
Bit 3 Current from 5.5 volt rail is out of tolerance
Bit 2 Current from 3.3 volt rail is out of tolerance
Bit 1-0 Failing power supply number (0,1,2 are valid)