Cisco Systems VG204 Manual De Usuario

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A-8
Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways Software Configuration Guide
OL-16191-01
Appendix A      Using the ROM Monitor
  Exiting the ROM Monitor Mode
R16 = 0xffffffff  R17 = 0xffffffff  R18 = 0xffffffff  R19   = 0xffffffff
R20 = 0xffffffff  R21 = 0xffffffff  R22 = 0xffffffff  R23   = 0xffffffff
R24 = 0xffffffff  R25 = 0xffffffff  R26 = 0xffffffff  R27   = 0xffffffff
R28 = 0xffffffff  R29 = 0xffffffff  R30 = 0xffffffff  R31   = 0xffffffff
frame—Displays an individual stack frame.
sysret—Displays return information from the last booted system image. This information includes 
the reason for terminating the image, a stack dump of up to eight frames, and, if an exception is 
involved, the address where the exception occurred; for example:
rommon 8> sysret
System Return Info:
count: 19,  reason: user break
pc:0x801111b0,  error address: 0x801111b0
Stack Trace:
FP: 0x80005ea8, PC: 0x801111b0
FP: 0x80005eb4, PC: 0x80113694
FP: 0x80005f74, PC: 0x8010eb44
FP: 0x80005f9c, PC: 0x80008118
FP: 0x80005fac, PC: 0x80008064
FP: 0x80005fc4, PC: 0xfff03d70
FP: 0x80005ffc, PC: 0x00000000
FP: 0x00000000, PC: 0x00000000
meminfo—Displays size in bytes, starting address, available range of main memory, the starting 
point and size of packet memory, and size of NVRAM; for example:
rommon 9> meminfo
Main memory size: 128 MB.
Available main memory starts at 0x10000, size 40896KB
IO (packet) memory size: 5 percent of main memory.
Exiting the ROM Monitor Mode
You must set the configuration register to a value from 0x2 to 0xF for the voice gateway to boot a 
Cisco IOS image from flash memory upon startup or reloading.
The following example shows how to reset the configuration register and cause the voice gateway to boot 
a Cisco IOS image stored in flash memory:
rommon 1 > confreg 0x2101
You must reset or power cycle for a new configuration to take effect:
rommon 2 > boot
The voice gateway boots the Cisco IOS image in flash memory. The configuration register changes to 
0x2101 the next time that you reset or power cycle the voice gateway.