Article ID: 000078663 Content Type: Error Messages Last Reviewed: 09/11/2012

Error: TX PMA element 'altgx_xaui:inst|altgx_xaui_alt4gxb:altgx_xaui_alt4gxb_component|transmit_pma3' has an illegal SLEW_RATE

Environment

BUILT IN - ARTICLE INTRO SECOND COMPONENT
Description

In Quartus® II 11.1, transceivers configured in XAUI mode may result in the following Fitter error regarding illegal slew rate settings.

Error: TX PMA element 'altgx_xaui:inst|altgx_xaui_alt4gxb:altgx_xaui_alt4gxb_component|transmit_pma3' has an illegal SLEW_RATE setting off.
 Info: "low" is a legal value

Stratix® IV GX, Arria® II GX/GZ and HardCopy® IV devices are affected by this issue.

Resolution

Manually edit the transmit_pma<>.slew_rate parameter in the ALTGX generated .v file to "low".

This issue will be fixed in the future Quartus II release.

Related Products

This article applies to 5 products

Stratix® IV GX FPGA
Arria® II GX FPGA
Arria® II GZ FPGA
Stratix® IV FPGAs
Arria® II FPGAs