Originally Posted by nomad

Download POISoN.zip.pdf, remove .pdf extension then unpack ZIP archive somethere (c:\poison for example).
GKT+ runtime environmet must be installed to run poison.exe

A: OS Software modification
1. Open original V32 image with UltraIso.
2. Extract navboot file from CD image to c:\poison
3. Run patch.exe to add sound notification code.
4. Replace military base icon (romicons #216) to something you like.
5. Put modified navboot file back to CD image.

B: Voice modification
1. Extract voice file from V_2/Voices/0506 (gb_f.csf for english)
2. Edit voice phrases #8 #9 using NavSpeak utility, for example: 322,323,88,250,191 (high beep, low beep, a pause, attention, ahead)
3. Put modified voice file file back to CD image.

C: Force SW upgrade
1. Extract sw_rel.tbl form CD image
2. Use hex editor to change first 4 bytes from '1000' to '1001' to force upgrade.

D: Force Voice upgrade
1. Create directory /V_2/Voices/0507 in original disc image and copy all files from /V_2/Voices/0506 to it
2. Copy voice.lst file from poison zip archve to /V_2/Voices/0507
3. Copy lng_rel.tbl file from poison zip archve to /V_2/RR/0101/BMWC01S first 4 bytes in lng_rel.tbl must be the same as in sw_rel.tbl

Burn CD and upgrade the system.

E:Adding POI to map database:
1. Copy map database from CD/DVD to the hard drive (bibliogr and carindb files are enough fo CD, bibliogr and DB folder for DVD maps).
2. Run poison.exe, open map folder (folder where bibliogr file located)
3. Add your own POI or import from plain lon/lat txt or csv file.
4. Save modified database
5. Insert modified database (carindb file of DB folder) back to image using UltraIso.

F: Burn the disc.