Here’s the data you’ll need in the /iPod_Control/Devices/SysInfo file once you Update/Restore your iPod with iTunes 7 to be able to use the iPodLinux installer – I’m sure this will be fixed in a future release, but for now…

BoardHwName: iPod M25
pszSerialNumber: XXXXXXXXXXX
ModelNumStr: MA003
FirewireGuid: 0x000A2700147FDCA9
HddFirmwareRev: BU011A
RegionCode: FB(0x001A)
PolicyFlags: 0x00000000
buildID: 0x06118000 (6.1.1)
visibleBuildID: 0x01118000 (1.1.1)
boardHwRev: 0x00000000 (0.0 0)
boardHwSwInterfaceRev: 0x000B0005 (0.0.11 5)
bootLoaderImageRev: 0x00000000 (0.0 0)
diskModeImageRev: 0x00000000 (0.0 0)
diagImageRev: 0x00000000 (0.0 0)
osImageRev: 0x00000000 (0.0 0)
iPodFamily: 0x00000000
updaterFamily: 0x00000000

And here’s some links to what you’ll need: