Artesyn ATCA 7370 / ATCA 7370-S Installation and Use (January 2015) - Manual (Page 169)

Maps and Registers
ATCA-7370/ATCA-7370-S Installation and Use (6806800P54H) 169
6.3.16 User LED Status and Control Register
Table 6-70 User LED Status and Control Register
Address Offset: 0x57
Bit Description Default Access
0 Control user LED #3 green color output
Signal LED_USER3_GRN_N:
0: LED_USER3_GRN_N is driven high.
1: LED_USER3_GRN_N is driven low. 0 LPC: r/w
IPMC: r
1 Control user LED #3 red color output Signal
LED_USER3_RED_N:
0: LED_USER3_RED_N is driven high.
1: LED_USER3_RED_N is driven low. 0 LPC: r/w
IPMC: r
2 Control user LED #1 red color output Signal
LED_USER1_RED_N:
0: LED_USER1_RED_N is driven high.
1: LED_USER1_RED_N is driven low. 0 LPC: r/w
IPMC: r
3 Control user LED #2 red color output Signal
LED_USER2_RED_N:
0: LED_USER2_RED_N is driven high.
1: LED_USER2_RED_N is driven low. 0 LPC: r/w
IPMC: r
4 Control BI LED enable output Signal
LED_BI_EN_N:
0: LED_BI_EN_N is driven high.
1: LED_BI_EN_N is driven low. 0 r
7:5 Reserved 000 r