Raptor Computing Systems Hardware > Blackbird

RAM slot B1 not showing

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bw42:
Yes, I've looked at the wiki page.

The memory works, both modules work, but only in the A1 slot.
It shows something is in the B1 slot, but it doesn't use it.

meklort:
It sounds like the RAM was GUARDed out by the firmware. It probably detected some issue with it and disabled it.

You can try clearing the GUARD partition via the BMC when the host off:

--- Code: ---pflash -P GUARD -c
--- End code ---

This won't fix the reason why it was GUARDed out, but it should re-enable the slot.

bw42:
w00t!

After running that command in the BMC it is picking up both RAM modules in the OS.

Is there a log in there somewhere that says why it was guarded out?

cchinicz:
Hi, I'm new to Raptor. How do I issue this command? After powering up and before booting? On the boot menu?

Thanks

cchinicz:
Hi, I found it on petitboot (shell). It worked for me also, but it remains unknown why that happened.

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