Watch-Clock Diagnostic; Watch-Net And Watch-Net-All Diagnostics - Sun Microsystems Sun Blade 100 Service Manual

4.6.1

Watch-Clock Diagnostic

The watch-clock diagnostic reads a register in the NVRAM/TOD chip and displays
the result as a seconds counter. During normal operation, the seconds counter
repeatedly increments from 0 to 59 until interrupted by pressing any key on the Sun
keyboard. The watch-clock diagnostic is initialized by typing the
watch-clock command at the ok prompt. The following code example shows the
watch-clock diagnostic output message.
CODE EXAMPLE 4-1
ok watch-clock
Watching the 'seconds' register of the real time clock chip.
It should be 'ticking' once a second.
Type any key to stop.
49
ok
4.6.2

Watch-Net and Watch-Net-All Diagnostics

The watch-net and watch-net-all diagnostics monitor Ethernet packets on the
Ethernet interfaces connected to the system. Good packets received by the system
are indicated by a period (.). Errors such as the framing error and the cyclic
redundancy check (CRC) error are indicated with an "X" and an associated error
description. The watch-net diagnostic is initialized by typing the watch-net
command at the ok prompt and the watch-net-all diagnostic is initialized by typing
the watch-net-all command at the ok prompt. The following code example
shows the watch-net diagnostic output message.
watch-net-all diagnostic output message.
CODE EXAMPLE 4-2
ok watch-net
Hme register test --- succeeded.
Internal loopback test -- succeeded.
Transceiver check
passed
Using Onboard Transceiver - Link Up.
Looking for Ethernet Packets.
'.' is a Good Packet.
Type any key to stop.
..................................................
4-6 Sun Blade 100 Service Manual • October 2000
Watch-Clock Diagnostic Output Message
Watch-Net Diagnostic Output Message
-- Using Onboard Transceiver - Link Up.
'X' is a Bad Packet.
shows the
CODE EXAMPLE 4-2