How to find Sun server's serial number?

Here is the way to find system's serial number. This is true for at least T2000, T1000, T5120 and should be true for other T-type sun servers (with ALOM user login).

Login to ALOM and do the following:

sc> showplatform
SUNW,SPARC-Enterprise-T5120
Chassis Serial Number: BEL11111GA

Domain Status
------ ------
S0     Solaris running
sc>

How to clear T2000 system controller faults?

sc> help

Available commands
------------------
Power and Reset control commands:
  powercycle [-y] [-f]
  poweroff [-y] [-f]
  poweron [-c] [FRU]
  reset [-y] [-c]
Console commands:
  break [-D] [-y] [-c]
  console [-f]
  consolehistory [-b lines-e lines-v] [-g lines] [bootrun]
Boot control commands:
  bootmode [normalreset_nvrambootscript="string"config="configname"]
  setkeyswitch [-y] 
  showkeyswitch
Locator LED commands:
  setlocator [onoff]
  showlocator
Status and Fault commands:
  clearasrdb
  clearfault 
  disablecomponent [asr-key]
  enablecomponent [asr-key]
  removefru [-y] 
  setfru -c [data]
  showcomponent [asr-key]
  showenvironment
  showfaults [-v]
  showfru [-g lines] [-s-d] [FRU]
  showlogs [-b lines-e lines-v] [-g lines] [-p logtype[rp]]
  shownetwork [-v]
  showplatform [-v]
ALOM Configuration commands:
  setdate <[mmdd]HHMM  mmddHHMM[cc]yy][.SS]>
  setsc [param] [value]
  setupsc
  showdate
  showhost [version]
  showsc [-v] [param]
ALOM Administrative commands:
  flashupdate <-s IPaddr -f pathname> [-v]
  help [command]
  logout
  password
  resetsc [-y]
  restartssh [-y]
  setdefaults [-y] [-a]
  ssh-keygen [-l-r] <-t {rsadsa}>
  showusers [-g lines]
  useradd 
  userdel [-y] 
  userpassword 
  userperm  [c][u][a][r]
  usershow [username]

sc> showfaults
Last POST run: SUN DEC 09 23:43:31 2007
POST status: Passed all devices

  ID FRU               Fault
   0 IOBD              Host detected fault, MSGID: SUN4-8000-4P
   1 MB                Host detected fault, MSGID: SUN4-8000-4P

sc> showfaults -v
Last POST run: SUN DEC 09 23:43:31 2007
POST status: Passed all devices

  ID Time              FRU               Fault
   0 JAN 03 17:02:39   IOBD              Host detected fault, MSGID: SUN4-8000-4P  UUID: a4d117f0-8116-667a-c9f4-d96ad6c23   ae0
   1 JAN 03 17:02:39   MB                Host detected fault, MSGID: SUN4-8000-4P  UUID: a4d117f0-8116-667a-c9f4-d96ad6c23   ae0

sc> clearfault a4d117f0-8116-667a-c9f4-d96ad6c23ae0
Clearing fault from all indicted FRUs...
Fault cleared.

sc> showfaults
Last POST run: SUN DEC 09 23:43:31 2007
POST status: Passed all devices
No failures found in System