Improved tools for manual and interactive routing, making high-density boards easier to handle.
| Issue | Symptom | Solution | |-------|---------|----------| | | Splash screen appears then disappears. | Delete pcb.log and allegro.ini from the working directory. Reinstall Visual C++ Redistributables 2013-2019. | | Slow symbol libraries | OrCAD Capture takes 2 minutes to open PSTOLIB.OLB . | Move libraries to a local SSD. Disable network drive indexing. | | PSpice convergence error | "ERROR(ORPSIM-15157): Timestep too small" | Add .OPTIONS ITL1=400 to the simulation profile. Increase RELTOL to 0.01. | | Netlist export failure | "Error #157: Cannot create netlist files" | Check for spaces or special characters in the project path. Use C:\temp\ . | | License checkout timeout | "Waiting for license... 157 seconds" | Edit license_manager\licenses\license.dat to add TIMEOUT 30 . Restart lmgrd. |
The number "157" is Cadence’s internal classification for "operation blocked due to unavailability of target resource." This is why it appears in warning boxes, session logs, and even command-line outputs. cadence orcad 157
Engineers could access real-time component data, ensuring that parts were in stock, available, and cost-effective before being placed on the schematic.
To help tailor this breakdown to your project, could you share how you plan to use OrCAD 15.7? If you let me know whether you are , troubleshooting an installation , or planning a tool migration , I can provide specific steps for your next phase. Improved tools for manual and interactive routing, making
Unlike its 16.6 predecessor, OrCAD 157 is purely 64-bit. This unlocks:
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Many 157 warnings are hidden inside incomplete connections.