The following article has a great table that defines when operations will be minimally logged.
https://technet.microsoft.com/en-us/library/dd425070(v=sql.100).aspx
Here's the table, just in case the link goes away at some point in the future:
Table Indexes
| Rows in table | Hints | Without TF 610 | With TF 610 | Concurrent possible | |
|---|---|---|---|---|---|
Heap
|
Any
|
TABLOCK
|
Minimal
|
Minimal
|
Yes
|
Heap
|
Any
|
None
|
Full
|
Full
|
Yes
|
Heap + Index
|
Any
|
TABLOCK
|
Full
|
Depends (3)
|
No
|
Cluster
|
Empty
|
TABLOCK, ORDER (1)
|
Minimal
|
Minimal
|
No
|
Cluster
|
Empty
|
None
|
Full
|
Minimal
|
Yes (2)
|
Cluster
|
Any
|
None
|
Full
|
Minimal
|
Yes (2)
|
Cluster
|
Any
|
TABLOCK
|
Full
|
Minimal
|
No
|
Cluster + Index
|
Any
|
None
|
Full
|
Depends (3)
|
Yes (2)
|
Cluster + Index
|
Any
|
TABLOCK
|
Full
|
Depends (3)
|
No
|
