User guide
Table 4–1 (Cont.) Console Diagnostic Tests
HW Under Test Command
- SCSI device exer exer dk
Timers
- Heartbeat timer test hbeat_diag -t 1
- Interval timer test i8254 -t 1
- Interval timer test i8254 -t 2
- Interval timer test i8254 -t 3*
- Interval timer test i8254 -t 4*
- Interval timer test i8254 -t 5
- Interval timer test i8254 -t 6
- Watchdog timer test wdog_diag -t 1
* Requires external loopback connector
configured as shown in Figure 4–1.
VMEbus Interface Tests
- VIP PCI configuration register test vip_diag -t 1
- VIP register write/read test vip_diag -t 2
- VIC register write/read test vip_diag -t 3
- Scatter-gather RAM test vip_diag -t 4
MISC
- Ethernet hardware address test enet_diag -t 1
- Ethernet hardware address test enet_diag -t 2
4.3.2 SROM Initialization Countdown
During SROM initialization, the LED ASCII display executes a countdown that
indicates the progress of the initialization. The console serial output also reports
this countdown if the CONSOLE environment variable is set to SERIAL. The
countdown is structured as follows:
4–4 Diagnostics