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Cannot Log in to CMM for Intel® Modular Server Systems

Last Reviewed: 08-Jun-2016
Article ID: 000006822

The reset button on the CMM is intended for rebooting and does not reset to factory defaults.

If you have received a replacement midplane through warranty, need to change a forgotten IP address, reset to factory defaults, or reload corrupted firmware:

  1. Connect a straight-through serial cable to the CMM serial port, and set your terminal program (like Hyperterminal) to:

    • Baud rate: 115200
    • Data Bits: 8
    • Parity: None
    • Stop Bits: 1
    • Flow Control: None
  2. Next, remove and reinsert the CMM. Press Enter during boot to bring up the EBF> prompt.

To disable DHCP and reset the IP address to default, type:

CMM EBF> set net ext dhcp off
CMM EBF> set net ext ip
CMM EBF> set net ext netmask
CMM EBF> set net ext gateway

To reset the admin password, type:

CMM EBF> set admin password [password]

Type "exit" to reboot the CMM.

If you see an error during the EBF boot similar to:

SD Card not present or failed to initialize
Unable to obtain flash device parameters

The CMM may need to be reset.

MFSYS25 Emergency CMM FW Recovery (PDF) icon
If the operational firmware image of the Intel® Modular System MFSYS25 Management Module (CMM) is corrupt, the CMM will be unable to boot to Linux*. The CMM contains Emergency Boot Firmware (EBF) that allows the administrator to update the operational image regardless of the state of the current image. The following process will upload a new operational code image to the CMM.

File name: MFSYS25_CMM_Recovery.pdf
Size: 25 KB
Date: December 2015

Note: PDF files require Adobe Acrobat Reader*

If the reset fails, try reformatting the SD card. At the "CMM EBF" prompt, type:
set manufacture on
sd format

and try the CMM recovery again.

If you see the boot process, but cannot get the EBF prompt, please note that the serial cable or USB to serial cable must be a fully populated straight-through cable. Specifically, it must allow the host PC to assert the CTS pin on the CMM.