DIfferent error codes in documentation

Wondering why are there different error codes in different places.

Dell 3440 SFF was updating Bios or something but got a corrupted Bios message.

Later a 3 orange and 6 white flashes.

Here it says "Paid SPI volume error" page 68 https://objects.icecat.biz/objects/mmo_89660252_1615289035_1703_117.pdf

Here it says "SBIOS problem (what the heck is an SBIOS ?! https://www.dell.com/support/manuals/en-ca/precision-3440-workstation/precision_3440_sm/diagnostics?guid=guid-1edf2e77-d8af-4820-b4e7-527712c386b1&lang=en-us