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T7920 Flex bay 0's HDD not working, but nvme was fine; just installed 575-BBSI
I have a T7920 and just installed 575-BBSI when i boot up my machine flexbay 0's HDD's flashes amber on the power indicator, the NVMe boot drive with adapter works just fine. I've tried:
Swapping the drives in other bays, so it's not the HDD,
between the two slots in bay 0, same issue (nvme boots fine),
and then with just two HDD's in bay 0 which resulted with both HDD"s have a blinking amber light on power.
Swapping the drives in other bays, so it's not the HDD,
between the two slots in bay 0, same issue (nvme boots fine),
and then with just two HDD's in bay 0 which resulted with both HDD"s have a blinking amber light on power.
Was there a cable i miss attached when installing the 575-BBSI? It came with a power splitter, and i tried changing the line in that was split, to no avail.
Chino de Oro
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July 16th, 2024 02:44
It was not about the location of the flexbay. It is the backplane that can support the drive type. When you said the flexbay could boot NVMe drive, that indicated you have PCIe backplane with U.2 connectors and those connectors can not read HDD or SAS.
About flexbay 2, you can install an adapter that can support HDD, else it can hold 5.25" optical only.
(edited)
Chino de Oro
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July 15th, 2024 22:53
575-BBSI is upgrade kit to add rear flexbay 3 and 4.
Flexbay 0 with PCIe backplane can support NVMe but will not support HDD
dbe2
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July 16th, 2024 00:24
@Chino de Oro
Thanks for the info i didn't know " Flexbay 0 can't support normal HDD", I thought bay 0 was for normal hdd with the adapter converting sata to nvme.
In that case do you know if there's a part to convert Bay 0 to allow hdd's?
Side note, i noticed for Bay 2, the 5.25 ODD slow it has a sata and power connection could i just direct connect a SATA drive?
dbe2
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July 16th, 2024 05:57
@Chino de Oro Thanks for the info, but yeah i'll see if i can find the part, 575-BBSL, it seems to be OOS in most places, dell said they did backordered the part but doesn't seem to have arrived yet. But if i remembered correctly you mentioned elsewhere that with the default intel controllers it can't support drives on all flexbay's 0-4 (ie 10 drives)?
(edited)
Chino de Oro
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July 16th, 2024 06:48
If Dell does not have what you want in stock, you may explore the big auction site. For example, used front bay kits for SAS here. New optical bay 575-BBSL kit here, although it can not be used in conjunction with rear flexbay kit.
575-BBSL - Allows user to convert 5.25" and Slim ODD Bay into a FlexBay capable of supporting up to two 3.5" (or 2.5") SATA HDDs attached to the Integrated Storage controller. This kit should only be used if both FlexBay 0 and 1 are converted to PCIe SSD or no Rear Storage is used.
Referenced by the storage upgrade options here https://www.dell.com/support/kbdoc/en-us/000146243/upgrading-storage-in-the-dell-precision-5820-7820-7920-tower-workstations#:~:text=The%20maximum%20number%20of%20drives,physically%20fit%20is%2010%20drives.
(edited)