install M3291 steps,
1. Connect 25x2 cable and serial 2x5 cable (*).
2. Set jumper as picture marked. this jumper is set MB NIC support ASF or IPMI. some boards don't have this jumper.
3. Flash BMC firmware 
4. run m3291.cfg (cfg.bat/linuxcfg)
5. Flash nic EEP image if the package has nic EEP folder.
6. Connect LAN cable to  IPMI NIC as picture marked.
7. Use UH8d(dos) or UH8l(linux) tool set password.
8. Set MAC/IP to BMC. For intel 82551,82541, BMC use share mode. Set MAC/IP to same as NIC lable. other NICs use dedicate mode. the firmware flash batch file will auto-load SMDC MAC address.(ih8d /imac)

(*) early motherboard has to use serial cable to SOL. new board support both serial cable or no serial cable.
SOL without serial cable  setting see "SOL without serial cable" folder

Following list boards have to use serial cable. 
S2891, S2892, S4881,S4885, S4985, S5197, S5350, S5360

