Excluding the host adapter, how many devices can be connected to a single narrow SCSI bus?

Excluding the host adapter, how many devices can be connected to a single narrow SCSI bus?

• 8
• 32
• 7
• 12 

EXPLANATION

Up to 8 devices can be attached to a single SCSI bus. One of these is the host adapter, leaving room for 7 'real' devices.

https://savage.net.au/Ron/html/scsi-tutorial.html

SOURCE

http://ask.microsemi.com/app/answers/detail/a_id/1971/~/how-many-scsi-devices-can-be-attached-on-a-scsi-controller%3F