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June 11th, 2025 15:01

Dell Server R440 BP1 SAS A0 cable is not connected or is improperly connected

Hello, im trying to setup a Dell R440 4LFF Server, the BP is directly connected to the Mainboard using a Supermicro SAS-Kabel OCuLink - Mini-SAS HD cable.

Once i start the system i get this error message:

r/Dell - Dell Server R440 BP1 SAS A0 cable is not connected or is improperly connected

Ive triede updating the BIOS Idrac basically everything but the problem still persists.

Even using a PERC H330 Controller and directly connecting it wont work for me.

Does anyone know a fix for this?

Heres Pictures of the Cabel Routing in the server:

r/Dell - Dell Server R440 BP1 SAS A0 cable is not connected or is improperly connected
r/Dell - Dell Server R440 BP1 SAS A0 cable is not connected or is improperly connected
r/Dell - Dell Server R440 BP1 SAS A0 cable is not connected or is improperly connected

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4.4K Posts

June 11th, 2025 19:30

Hello,

 

I can't help with the Supermicro cable but this should be the cable you need:

 

To connect backplane with H330 you will need this cable

Part #:8YMGD

Part Desc.:ASSY,CBL,SAS,PERC,X4BP,R440

SAS cable, from PERC adapter to X4 BP, for X4 HDD config, R440

 

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