User's Manual

System Configuration Registers Maps and Registers
SPARC/CPU−56T 119
Address: 1FF.F160.0112
16
Table 29: LED Control Register 3
Bit Name Description Default Access
4..0 LED_DISPLAY VME activity
00000
2
:
Red: Universe II asserted VME SYSFAIL signal
to the VMEbus.
Green: Universe II accesses the VMEbus as
master
OFF: No VME SYSFAIL asserted and no
activity of Universea
00000
2
r/w
aa aa User LED mode
00100
2
: OFF
00001
2
: Green
00010
2
: Red
aa
aa aa Ethernet activity
11000
2
: Ethernet 1a
11001
2
: Ethernet 2a
11010
2
: Ethernet 3a
11011
2
: Ethernet 4a
11100
2
: Ethernet 1/3a
11101
2
: Ethernet 2/4
11111
2
: Ethernet 1/2/3/4
aa
aa aa At all other values, the LED is OFF.aaa
7..5
Reserved These bits are always zero.a r
LED Control Register 4
This register is used to switch between the different operation modes of LED 4.