Oracle Vacuum Cleaner CPU-56T User Manual

Page of 145
System Configuration Registers
Maps and Registers
SPARC/CPU−56T
117
Bit
Access
Default
Description
Name
6
ETH3 EN
Status of Ethernet interface 3
0: Disabled
a
1: Enabled
a
0
2
r
7
Reserved
Always zero
0
2
r
User LED Control Registers
The following registers control front panel LED related features.
a
LED Control Register 1
This register is used to switch between the different operation modes of LED 1.
Address: 1FF.F160.0110
16
Table 27:
 LED Control Register 1
Bit
Name
Description
Default
Access
4..0
LED_DISPLAY
Board status
00000
2
a
:
Red: Board reset
Weak red: Board abort (during reset access)
Green: Board running
Blinking red/weak red: No PCI activity within the
last two seconds
Blinking green: No boot code found
Weak red: 12V power supply on the VME
backplane is not available
00000
2
r/w
aa
aa
User LED mode
00100
2
a
: LED is OFF
00001
2
a
: LED shines green
00010
2
a
 : LED shines red
aa
aa
aa
IDE activity
10011
2
: IDE 1/2
a
aa
aa
aa
Ethernet activity
11000
2
: Ethernet 1
a
11001
2
: Ethernet 2
a
11010
2
: Ethernet 3
a
11011
2
: Ethernet 4
a
11100
2
: Ethernet 1/3
a
11101
2
: Ethernet 2/4
11111
2
: Ethernet 1/2/3/4
aa
aa
aa
At all other values, the LED is OFF.
aa
7..5
aa
These bits are always zero
r