NEC Electra Elite 192 Hardware Manual page 215

Electra Elite
System Hardware Manual
The front edge of the ETU has 9 LEDs. (Refer to
5-38 FMS(2)/(4)-U10 ETU
ETU.) LEDs CH1~CH8 indicate the port status as follows:
On
¥
Off
¥
The Live LED is red if ETU is receiving power.
The MB LED indicates the status of the MB switch.
The DOS (BIOS) LED is red if a BIOS error has occurred.
The Bicolor (BCLR) LED indicates application status as
follows:
Red
¥
Green
¥
Orange
¥
 When BCLR LED is orange, check error type on
console screen. After error is corrected, LED
automatically changes to green. Do not connect link
between console and ETU until BCLR turns green
during booting.
The hard disk (HD) LED flashes red when Compact Flash
Disk is active.
Do not reset the ETU while the HD LED is flashing.

or Figure 5-39 FMS(8)-U10
Port Busy
Port idle or not used
DOS started (VM application not
ready)
VM application is running
Error
Issue 6
Figure
5 - 69