2013年4月14日 星期日

[Dell PE] How to go back your system after uploaded PM image


To get back your system to a DELL system we need to clear the MAS026b partition. Please use these cmds.
You will need to connect serial console cable to iDRAC and goto sh7757 prompt.
Factory IPMI based BIOS Wipe:

1.IPMICmd 0x20 0x30 0x00 0xa2 0x00 0x00 0x00 0x00 0x00 0x00
2.You’ll get 2 session handles back(for eg AB, CD)
3.IPMICmd 0x20 0x30 0x00 0xa2 0x14 [Session handle 1] [Session handle 2] 0x81 0x00
4.Close the original Broswer , then launch new Broswer when console is ready.

Try above cmds from Factory wipe using iDrac console.

For example :
[SH7757 /mmc1]$ IPMICmd 0x20 0x30 0x00 0xa2 0x00 0x00 0x00 0x00 0x00 0x00

The response data is:
0xc4 0xa2 0x00 0x74 0x9d 0x00 0x00

[SH7757 /mmc1]$ IPMICmd 0x20 0x30 0x00 0xa2 0x14 0x74 0x9d 0x81 0x00

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