Subject: RE: old NVRAMs
To: 'der Mouse' <mouse@Rodents.Montreal.QC.CA>
From: David Woyciesjes <DAW@yalepress3.unipress.yale.edu>
List: port-sparc
Date: 09/05/2001 17:40:58
>> I found a method to reconstruct the hostid and ethernet address from
>> the printed string on the NVRAM label.  [convert from base 36 and
>> subtract 0xaa8c0, then add 0x27b00 for MAC address]

I type this...
hex 24 base ! <string on label> EZ0G - hex .
... exactly (with spaces?), then type...
<hostid> 27b00 + .
...to get the MAC numbers? I can try this out on my LX...


Here's W for that code table...
W  --..--.-.-.-
...or...
(Using _ for one and xx for two, the above becomes)
W  xxxxxx______


Here's my barcodes, maybe easier to use this way...
X  = width 1 bar
XX = width 2 bar
-  = width 1 space
-- = width 2 space
|  = width 1 space. Used to visually seperate the letters.

AUSY        |      A     |      U     |      S     |      Y     |
X--X-XX-XX-X|XX-X-X--X-XX|XX--X-X-X-XX|X-XX-X-XX--X|XX--X-XX-X-X|X--X-XX-XX-
X
HW1K        |      H     |      W     |      1     |      K     |
X--X-XX-XX-X|XX-X-X--XX-X|XX--XX-X-X-X|XX-X--X-X-XX|XX-X-X-X--XX|X--X-XX-XX-
X
Q1YG        |      Q     |      1     |      Y     |      G     |
X--X-XX-XX-X|X-X-X-XX--XX|XX-X--X-X-XX|XX--X-XX-X-X|X-X-X--XX-XX|X--X-XX-XX-
X

Same visual description...
-  = space
-- = double space
1  = single width bar
2  = double width bar

SS1 AUSY
1  1-2-2-1|2-1-1  1-2-2  1-1-1-2-1-2-1-2  1-2  1-2-1-1|1  1-2-2-1
LX HW1K
1  1-2-2-1|2-1-1  2-1-2  2-1-1-1-2-1  1-1-2-2-1-1-1  2|1  1-2-2-1
SS2 Q1YG
1  1-2-2-1|1-1-1-2  2-2-1  1-1-2-2  1-2-1-1-1-1-1  2-2|1  1-2-2-1

---   David A Woyciesjes
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---   Yale University Press
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