Tyan Computer Transport GT24 B2891 - Manual (Page 65)

Chapter 3: Replacing Pre-Installed Components 57
3.8 Replacing the SATA or SCSI Backplane
NOTE: The procedures for replacing SATA or SCSI back-
planes are the same. The following section applies to
B2891G24S4H model only. You may rerfer to the following
section for SCSI backplane replacement.
1. Remove the 3 screws securing the adapter board to the
chassis.
2. Grab the two lables to lift the adapter board.