Sun V240 开机无显示，打开机箱后CPU0特别烫，更换主板、CPU、散热器后依旧如此。连接SERIAL MGT后显示如下：
```bash
SC Alert: Host System has Reset
Executing Power On Self Test
0>
0>@(#) Sun Fire[TM] V210/V240, Netra[TM] 210/240 POST 4.18.5 2005/10/21 18:16
/export/delivery/delivery/4.18/4.18.5/post4.18.0/Fiesta/enxs/integrated (root)
0>Copyright © 2005 Sun Microsystems, Inc. All rights reserved
SUN PROPRIETARY/CONFIDENTIAL.
Use is subject to license terms.
0>OBP->POST Call with %o0=00000800.01014000.
0>Diag level set to MAX.
0>Verbosity level set to NORMAL.
0>Start Selftest.....
0>CPUs present in system: 0 1
0>Test CPU(s)....Done
0>Interrupt Crosscall....Done
0>Init Memory....Done
0>PLL Reset....Done
0>Init Memory....Done
0>Test Memory..../
0>ERROR: TEST = Data Bitwalk on Master
0>H/W under test = MB/P0/B0/D0 (Bank 0), Motherboard
0>Repair Instructions: Replace items in order listed by 'H/W under test' above.
0>MSG = Pin 45 failed on MB/P0/B0/D0 (Bank 0), Motherboard
0>END_ERROR
0>
0>ERROR: TEST = Data Bitwalk on Master
0>H/W under test = MB/P0/B0/D0 (Bank 0), Motherboard
0>Repair Instructions: Replace items in order listed by 'H/W under test' above.
0>MSG = Pin 49 failed on MB/P0/B0/D0 (Bank 0), Motherboard
0>END_ERROR
0>
0>ERROR: TEST = Data Bitwalk on Master
0>H/W under test = MB/P0/B0/D0 (Bank 0), Motherboard
0>Repair Instructions: Replace items in order listed by 'H/W under test' above.
0>MSG = ERROR: miscompare on mem test!
Address: 00000000.001b0000
Expected: 00000000.00000001
Observed: 00000000.000000ff
0>END_ERROR
0>ERROR: TEST = Data Bitwalk on Master
0>H/W under test = CPU0 Memory
0>Repair Instructions: Replace items in order listed by 'H/W under test' above.
0>MSG =
*** Test Failed!! ***
0>END_ERROR
0>
0>ERROR: TEST = Data Bitwalk on Master
0>H/W under test = CPU0 Memory
0>Repair Instructions: Replace items in order listed by 'H/W under test' above.
0>MSG = No good memory available on master CPU 0, rolling over to new Master.
0>END_ERROR
1>OBP->POST Call with %o0=00000800.01014000.
1>Diag level set to MAX.
1>Verbosity level set to NORMAL.
1>Start Selftest.....
1>CPUs present in system: 0 1
1>Test CPU(s)....Done
1>Interrupt Crosscall....Done
1>Init Memory....Done
1>PLL Reset....Done
1>Init Memory....Done
1>Test Memory....|
1>ERROR: TEST = Data Bitwalk on Slave 0
1>H/W under test = MB/P0/B0/D0 (Bank 0), Motherboard
1>Repair Instructions: Replace items in order listed by 'H/W under test' above.
1>MSG = Pin 45 failed on MB/P0/B0/D0 (Bank 0), Motherboard
1>END_ERROR
1>
1>ERROR: TEST = Data Bitwalk on Slave 0
1>H/W under test = MB/P0/B0/D0 (Bank 0), Motherboard
1>Repair Instructions: Replace items in order listed by 'H/W under test' above.
1>MSG = Pin 51 failed on MB/P0/B0/D0 (Bank 0), Motherboard
1>END_ERROR
1>
1>ERROR: TEST = Data Bitwalk on Slave 0
1>H/W under test = MB/P0/B0/D0 (Bank 0), Motherboard
1>Repair Instructions: Replace items in order listed by 'H/W under test' above.
1>MSG = ERROR: miscompare on mem test!
Address: 00000000.001b0000
Expected: 00000000.00000001
Observed: 00000000.000000fb
1>END_ERROR
Done
1>Test CPU Caches....Done
1>Functional CPU Tests....Done
1>IO-Bridge Tests....Done
1>ERROR:
1> POST toplevel status has the following failures:
1> MB/P0/B0/D0 (Bank 0), Motherboard
1>END_ERROR
1>
1>POST: Return to OBP.
SC Alert: Host System has Reset
Configuring system memory & CPU(s)
Probing system devices
Probing memory
Probing I/O buses
Sun Fire V240, Keyboard Present
Copyright 2005 Sun Microsystems, Inc. All rights reserved.
OpenBoot 4.18.5, 1024 MB memory installed, Serial #65934525.
Ethernet address 0:3:ba:ee:14:bd, Host ID: 83ee14bd.
Running diagnostic script obdiag/normal
Testing /pci@1e,600000/ide@d
Testing /pci@1e,600000/isa@7/rtc@0,70
Testing /pci@1c,600000/scsi@2
Testing /pci@1c,600000/scsi@2,1
Testing /pci@1e,600000/isa@7/serial@0,2e8
Testing /pci@1e,600000/isa@7/serial@0,3f8
Power On Selftest Failed.
CPU: 0 cause: MB/P0/B0/D0 (Bank 0), Motherboard
CPU: 1 cause: MB/P0/B0/D0 (Bank 0), Motherboard
NOTICE: CPU 0 has 1024/1024 MB of memory disabled
ERROR: The following devices are disabled:
dimm0
ERROR: POST failed
SC Alert: MB/P0/B0/D0 (Bank 0), Motherboard has been failed by POST
SC Alert: MB/P0/B0/D0 (Bank 0), Motherboard
Configuring system memory & CPU(s)
Probing system devices
Probing memory
Probing I/O buses
Sun Fire V240, Keyboard Present
Copyright 2005 Sun Microsystems, Inc. All rights reserved.
OpenBoot 4.18.5, 1024 MB memory installed, Serial #65934525.
Ethernet address 0:3:ba:ee:14:bd, Host ID: 83ee14bd.
NOTICE: CPU 0 has 1024/1024 MB of memory disabled
ERROR: The following devices are disabled:
dimm0
Rebooting with command: boot
Boot device: disk File and args:
SunOS Release 5.10 Version Generic_118822-25 64-bit
Copyright 1983-2005 Sun Microsystems, Inc. All rights reserved.
Use is subject to license terms.
Hardware watchdog enabled
Hostname: srv1
checking ufs filesystems
/dev/rdsk/c1t1d0s7: is logging.
/dev/rdsk/c1t0d0s7: is logging.
srv1 console login: Jan 6 08:07:29 srv1 sendmail[309]: My unqualified host name (srv1) unknown; sleeping for retry
Jan 6 08:07:29 srv1 sendmail[310]: My unqualified host name (srv1) unknown; sleeping for retry
srv1 console login:
```
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