Asus AP1720-E2 - Manual (Page 81)

3-5 ASUS AP1720-E2 barebone server
3.2 Installing an IDE drive cage
Perform this installation if you wish to upgrade your 4-SCSI configuration
system (AS4 model) to a combination 4-SCSI/4-IDE configuration.
4-SCSI configuration 4-SCSI/4-IDE configuration
To install an IDE drive cage:
1. Position the drive cage into the
bay with the screw hole tab on
top and facing out.
2. Carefully slide the drive cage
toward the front panel until it fits
in place.
Screw hole
Clear the space under the first SCSI drive cage. Make sure that you
disconnect all pre-connected cables so they do not get in the way
when you install the second drive cage.