Figure 3-1 System Led Location - Sun Microsystems SPARCstation 20 Service Manual

System unit front
FIGURE 3-1
When POST fails at power-on, LED indicators on specific keyboard keys display a
particular LED pattern. See
Scroll Lock
Num Lock
Compose
Note – During normal system operation, the keyboard key LEDs should not be
interpreted as diagnostic error indicators.
Note – The Caps Lock key LED is not used as a power-on test failure indicator, but
flashes on and off while POST is initialized.
24 SPARCstation 20 Service Manual • July 1996
LED
System LED Location
FIGURE 3-2
and . Specific keyboard keys include:
TABLE 3-1