Thursday, November 12, The idea behind this specification was to be able to use low cost CPLDs or microcontrollers on a backplane to drive LEDs; in practice, it has been found that there are variations in timing and interpretations of the bits between vendors, thus a simple CPLD would only work for a specific implementation thoroughly tested with one product from one vendor. When enabled , the controller BIOS allows the controller to act as a bootable device. Marked as answer by jyeager28 Friday, November 13, 3: This setting is not available on all RAID controller models. Office Office Exchange Server. Supermicro sc – bpn-sastq vs bpn-SASel1 backplanes.

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Default Background Task Priority.

Array Background Consistency Check. How to disable it?

SAS Hot Swap Bay w/ a SGPIO

When set to Dynamic, performance criteria adjusts automatically based on controller usage, RAID level, and disk drive type. If a backplane or target is not present the HBA may still drive the bus egpio any harm to the system; if one does exist, it can communicate back to the HBA using the 4th wire.


Avaptec by jyeager28 Tuesday, November 10, 9: Enabling bit address support aac0: Views Read Edit View history. Can you post the result of camcontrol devlist?

Adaptec RAID with SMC TQ Backplane

Unfortunately it doesn’t look like the connection does anything. Contacted Adaptec and sent event logs from controller.

Thursday, November 12, 7: Adaptec has agreed to submit the issue to their engineering dept for a fix. Don’t focus on the failed identification of the array. Is your disk controller listed here for R2 Essentials?

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CCB request completed with an error probe I wonder why the cable is manufactured this way. It seems that a driver compiled in side the Kernel is working bad Windows Server General https: Retrieved from ” https: The SDataIn and SdataOut then repeats with 3 clocks per drive until the last drive is reached, and the cycle starts over again.

If so I think it will be on Adaptec to fix the problem possibly with a firmware update.

Supermicro SASTQ Sideband/SGPIO | ServeTheHome and Forums

It does not affect currently running tasks. Jun 25, Messages: John Yeager That’s good to hear they will fix it. Edited by jyeager28 Thursday, November 12, By using this site, you agree to the Terms of Use and Privacy Policy.


This setting is not available on all RAID controller models.

A low value for the first bit indicates no activity and a high value indicates activity. Mar 18, Messages: Anyway, interestingly, all the pins for GPIO were wired, and in the right order, just “on the wrong side” at least for the supermicro backplane.

Sets the default priority for background tasks on the controller such as logical drive creation to High, Medium, or Low. Disabling the BIOS allows another controller to act as a bootable device.

When you say the disks are read only When enabled, NCQ is enabled.