Just a short note of caution ....
After installing sp1 for ise 7.1 (linux) mapper is crashing:
map -p xc4vlx25-sf363-10 -timing -register_duplication -pr b -o usb_top_map.ncd usb_top.ngd usb_top.pcf Release 7.1.01i - Map H.39 Copyright (c) 1995-2005 Xilinx, Inc. All rights reserved. Using target part "4vlx25sf363-10". Mapping design into LUTs... Writing file usb_top_map.ngm... Running directed packing... Running delay-based LUT packing... Running timing-driven packing...
Phase 1.1 Phase 1.1 (Checksum:9e05bf) REAL time: 8 secs
Phase 14.5 Phase 14.5 (Checksum:8583af2) REAL time: 5 mins 23 secs
Invoking physical synthesis ... Abort (core dumped)
Regards, rudi ============================================================= Rudolf Usselmann, ASICS World Services,