Digital Equipment VAXstation 3100 Maintenance Manual page 213

192 Console Commands
B.2 Console Commands
The following sections describe the console commands:
B.2.1 BOOT
>>>BOOT [<qualifier>][<device_name>]
The boot program is called virtual machine boot (VMB). The console program
intializes and starts VMB running.
Qualifier
/R5:<data> - After initializing the processor and before starting VMB. R5
is loaded with the specified data (in hexadecimal). This allows a console
user to pass a parameter to VMB.
Device name
VMB boots the operating system from the device specified in the
<device_name>. The device_name is in the
{onn
LL_LD,
where the first
three characters are uppercase letters
and the fourth character is a digit (0
through
9).
A 1erminating colon in the device_name is acceptable, but is
not required. Devices for the VS 3100 systems are Hsted as follows:
• l>KAxOO - RZ23, RZ24, or RZ55 on SCSI-A bus at address ID
x
(0 to 7)
• MKAx.00 - Tape drive on SCSI-A bus at address ID x (0 to 7)
• DUA2 - RX23 in system box on model 30 systems only
• ESAO - Ethernet booting device.
• DKBxOO - RZ23; RZ24,
or RZ55 on scs1..:e bus at address ID
x (0 to 7)
• MKBxOO - Tape drive on SCSI-B bus at address ID x (0 to 7)
Enter the SHOW DEVICE command to see the list of devices installed
in the system.
If no device_name is specified, the console program automatically assigns
ESAO as the boot device and sends out a boot inquiry over the Ethernet
once every 30 seconds for
5
minutes.
H
no host responds within the first
5
minutes, the console program waits for
5
minutes without sending out
a boot inquiry. The console program then starts sending a boot inquiry
again every 30 seconds for
5
more minutes. This pattern is repeated until
a host boots the node or until ou press the halt button.