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The go-to place for all IBM PS/2 and Micro Channel enthusiasts
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Network Management ROM Format
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| Type |
Field |
Bytes |
Comments |
| db |
blank |
1 |
00 address cannot be used |
| ascii |
NMR |
3 |
(IBM has VPD) |
| dw |
length of NMR |
2 |
(in words) |
| dw |
check code (crc) |
2 |
|
|
| ascii |
*NA |
3 |
pointer to Network Address
(IBM) |
| db |
5 |
1 |
network address length (IBM) |
| db |
02608Cxxxxxx |
6 |
network address (IBM) |
|
| ascii |
*RL |
3 |
same as IBM, ROS level |
| db |
4 |
1 |
ROS length field |
| ascii |
current ROS level |
4 |
(ex. 0012) |
|
| ascii |
*DS |
3 |
Data String |
| db |
13 |
1 |
character string length -1 |
| ascii |
"EtherLink/MC 32 3C527" |
22 |
Product Information |
|
| ascii |
*PN |
3 |
Part Number |
| db |
7 |
1 |
part number length field |
| ascii |
008209000 |
10 |
assembly number |
|
| ascii |
*EC |
3 |
EC Level |
| db |
5 |
1 |
EC length field |
| ascii |
000000 |
6 |
3Com is all zeroes |
|
| ascii |
*DD |
3 |
device driver |
| db |
3 |
1 |
DD length field |
| ascii |
0 / |
2 |
3Com is all zeroes |
|
| ascii |
*DG |
3 |
Diagnostic Level |
| db |
3 |
1 |
DG length field |
| ascii |
0 / |
2 |
3Com is all zeroes |
|
| ascii |
*FN |
3 |
FRU Number |
| db |
6 |
1 |
FRU length field |
| ascii |
000000 |
8 |
3Com is all zeroes |
|
| ascii |
*SN |
3 |
Serial Number |
| db |
6 |
1 |
SN length field |
| ascii |
******** |
8 |
8 characters for 3Com SN |
|
| ascii |
*MF |
3 |
Manufacturer's number |
| db |
5 |
1 |
MF length field |
| ascii |
000001 |
6 |
00=PCAO, 01=Solectron |
|
| ascii |
*DT |
3 |
Date Code |
| db |
5 |
1 |
Date Code length |
| ascii |
xxxxxx |
6 |
yr-mo-day (ie 910131) |
|
| ascii |
*CR |
3 |
Copyright |
| db |
12 |
1 |
Copyright length |
| ascii |
"Copyright 3Com Corp." |
20 |
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