Here's the contents of my DEVS:DosDrivers/ZIP file:
FileSystem = L:FastFileSystem
Flags = 0
Surfaces = 1
SectorsPerTrack = 68
SectorSize = 512
Reserved = 2
Interleave = 0
Buffers = 136
BufMemType = 1
MaxTransfer = 0x001FE000
Mask = 0xFFFFFFFE
BootPri = -127
StackSize = 1024
Priority = 10
DosType = 0x444F5303
LowCyl = 2
HighCyl = 2890
Mount = 1
Activate = 1
GlobVec = -1
And the tooltype:
ACTIVATE=1
STARTUP=1
DEVICE=scsi.device
UNIT=0
(My Zip is on the onboard IDE as master... Should be no different for a real SCSI chain as long as IDs and termination are okay.)