There is Active Termination on the Full Bus (27 lines). Some hard drives require Full Bus Termination to run on a narrow SCSI chain.
This is the best SCA adapter I have ever used. It has solved any and every problem that I have come across when connecting an 80 pin hard drive.
Converts SCA/SCA2 80 pin SCSI hard drives to 50 pin male interface. Compatible with all U320, U160, LVD, SE (single-ended) hard drives. Includes standard 4 pin power plug to supply power to the drive. Includes jumper pins for SCSI ID#, LED, MTR, DLY, and SYN. Includes jumpers to set SCSI ID# select 0 thru 15.Includes instruction sheet for jumper pins. Connectors are 80 pin female and IDC 50 pin male. 80 pin female connector fits in the hard drive very tight and secure.
Active termination on the Full Bus (27 lines). PCB Size; 91.6 x 29.2 mm, 3.65" x 1.25 ". Worked when the cheap one I tried first didn't!You will receive 20 adapters. The item "20 SCA 80F/IDC 50M Hard Drive Adapters with Active Termination-SCSI U320, U160, SE" is in sale since Sunday, February 25, 2018.
This item is in the category "Computers/Tablets & Networking\Computer Cables & Connectors\Drive Cables & Adapters". The seller is "synthplus" and is located in Merritt Island, Florida. This item can be shipped worldwide.