This document is a errata sheet for Altera Stratix IV GX devices. It provides updated information about known device issues affecting Stratix® IV GX devices.
This errata sheet provides updated information regarding known device issues affecting Stratix IV GX devices. It details specific problems such as PLL signal stuck states, remote system upgrade failures, false CRC errors, and PCI Express link establishment issues.
For each issue, the document identifies the affected production devices (e.g., EP4SGX70, EP4SGX110) and provides planned fixes or workarounds. Solutions often involve upgrading to specific versions of Quartus II software (such as version 9.1 SP2 or later) or applying available software patches.
| Affected Device Family | Stratix IV GX |
|---|---|
| Document Date | February 2012 |
The issue is fixed in Quartus II software version 12.0 and later, which enhances the Altera PLL megafunction to automatically restart the phase shift operation.
The issue affects EP4SGX70, EP4SGX110, EP4SGX290, EP4SGX360, and EP4SGX530 production devices.
No, there is no plan to fix the silicon for this issue; users must apply a soft-fix solution.