Warning (18576): The transceivers with supply "VCCT_GXB" on the left HSSI strip use "1.03V". The def

[AHX]

Hello community,

I've a question about this warning:

`Warning (18576): The transceivers with supply "VCCT_GXB" on the left HSSI strip use "1.03V". The default voltage for unused HSSI channel(s) has been overridden by "1.03V".`

The Transceivervoltage is set to 1.00V at these files:
- QSF file
- set_instance_assignment -name XCVR_VCCR_VCCT_VOLTAGE 1_0V -to pcie_tx_o[3]
- ... and so on...
- qsys files (transceiver)

Questions:
1. What causes this? Why is there a setback from 1.00V to 1.03V?
2. Is there a detailed explanation for this warning anywhre?

Quartus Prime Standard 23.1.1.

Project configuration: Device PCIe card with 1 or 2 1Gbit Ethernet transceivers.

Devices:

- 10AX048E3F29E2SG – 12 HSSI – 1 PCIe
- 10AX066H2F34E2SG – 24 HSSI – 2 PCIe

PCIe configuration
- Gen1:x4, Interface 64 bit, 125 MHz
- Native endpoint

SFP/transceiver configuration
- ATX PLL
-- GX clock output buffer
-- PLL output frequency 625 MHz
-- PLL reference clock frequency 125
-- Include master clock generation block
-- Enable bonding clock output ports
-- Enable feedback compensation bonding
-- PMA interface width 10

Transceiver Native Phy

- 1250 Mbps TX/RX duplex
- PMA and PCS bonding
- Synchronous state machine

[AHX]

Just giving this a gentle bump.

[Harshx]

We sincerely apologize for the inconvenience caused by the delay in addressing your Forum queries. Due to an unexpected back-end issue in our system, your Forum case, did not reach us as intended. As a result, we have a backlog of cases that we are currently working through.

Please be assured that we are doing everything we can to resolve this as quickly as possible. This will take some time, and we appreciate your patience and understanding during this period of time. Your case will be attended by AE soonest possible.

Thank you again for your patience and understanding, and we are committed to provide you with the best possible support.

[Harshx]

Hi,

1. What causes this? Why is there a setback from 1.00V to 1.03V?

2. Is there a detailed explanation for this warning anywhre?

You can refer this which is similar to your query:

Error(18969): IO Banks < 1C 1D 1E 1F > are within same HSSI... (intel.com)

Warning: xxx.xcvr_native_a10_0: The current value "1_1V"... (intel.com)

Regards,

Harsh M

[Harshx]

Hi,

I would like to follow up with you about this case.

Do you have any further questions on this?

Otherwise, I will put this case to close-pending, and please feel free to reopen if you have further clarification.

Regards,

Harsh M