Hi

i have two RB first is 433 and the other is 600 .both have the following problems :

1- RB433 , i have upgrade OS from 3.25 to 4.5 , after reboot the board its never back up and i have the following results in hypertermnal :

RouterBOOT booter 2.23

RouterBoard 433

CPU frequency: 300 MHz
Memory size: 64 MB

Press any key within 2 seconds to enter setup..
kernel not found



2- RB600 , its stopped from providing service suddenly and i have the following results through hyperterminal :

Starting...
/etc/rc.d/rc.sysinit: 21: cannot create /var/run/utmp: Cannot allocate memory
System halted.
System Halted, OK to turn off power


please help ASAP .



Regards

Use PC with netinstall and reinstall RouterOS