Hello guys, i have a strange issue.
I have a server based on Asus Maximus X Apex
https://www.asus.com/Motherboards/ROG-MAXIMUS-X-APEX/Bios 0401 x64
There is a strange issue with this SAS controller PCI card:
LSi Logic 8xSAS SAS1068E 2xSFF8087 RAID 0/1 PCI-Ex8
It is detected in Ubuntu 16.04 lspci as SCSI storage cpntroller: LSI Logic / Symbios Logic SAS1068E PCI-Express Fusion-MPT SAS (rev 08).
Issue:
When I do connect any other PCI card with the LSI controller (for example graphics adapter or network adapter) - it does not boot the LSI card bios, and looks like not recognized at all. No hard drives are detected, of cource.
- When I do connect LSI card in any PCI slot by itself, no other PCI cards installed - it works perfectly every boot. Mo matter if it is PCI x4 x8 or x16 slot.
- When there is other card installed, LSI card have the power, LEDs glowing as well as in case it boots.
- I tried all kind of PCI slots, and reordering. It looks like it does not matter.
- All PCI slots are switched ON with the swithes on the moterboard.
- When there is either video adapter installed or network adapter alongside or both with LSI, they do work properly, while LSI is not.
- I tried to boot the server on 920W power supply. Originlly it was running on 500W 80 Plus Platinum power, so i dont think there is a lack of power supply.
The other sever on Asus Rog Strix Z370E Gaming mobo, with slightly different LSI card but on the same chip, and system does detect LSI and boots LSI bios well, even with network adapter installed in PCIe x16 slot alongside with SAS card.
The LSI card is detected also as SCSI storage controller: LSI Logic / Symbios Logic SAS1068E PCI-Express Fusion-MPT SAS (rev 08)
I tried to borrow LSI card from that server that works fine - but it does not change anything. It does not boot the LSI bios if any other card is installed. So it looks like MoBo issue.
This documentation says that the LSISAS1068E can be configured as a PCI Express x8, x4, or x1 device, supporting auto-negotiation among those link widths. For example, if the LSISAS1068E is configured for 8 lanes and is plugged into a x8 connector that is wired as a x4, the LSISAS1068E will automatically negotiate to a x4 link width.
https://wiki.pdl.cmu.edu/pub/OpenCloud/CloudManuals/SCG_LSISAS1068E_PB_040407.pdfAny suggestions?
I have a request opened in the ASUS Support, they are taking 48 hours to answer.