Hi! I wanted to design a multiplexer. I am now on the layout stage. So I used scr and the following was generated: bash-2.02$ scr -p -r mux1 @@@@ @ @@@@ @ @@@@@@@ @ @@ @@ @@ @@ @@ @@ @ @@ @ @@ @@ @@@ @@ @ @@ @@ @@@@ @@ @@ @@ @@@@ @@ @@@@@ @@@ @@ @@ @@ @ @@ @@ @@ @@ @@ @@ @@ @ @@ @@ @@@ @ @@ @@ @@ @@ @ @@@@ @@@@ @@@@@ @@@ Standard Cell router Alliance CAD System 4.0.6, scr 5.3 Copyright (c) 1991-2001, ASIM/LIP6/UPMC E-mail support: alliance-support@asim.lip6.fr Loading logical view : mux1 *** mbk warning *** lofigchain is missing on lofig mux1. Placing logical view : mux1 Loading SCP data base ... Original width : 80 Generating initial placement ... 2 cells 7 nets in 1 rows Placement in process of treatment : 100% 0% saved in 0.6 s Saving placement 100% Checking consistency between logical and physical views Loading SCR data base ... Deleting MBK data base ... Global routing ... Channel routing ... |_____Routing Channel : scr_p2 |_____Routing Channel : scr_p4 Making vertical power and ground wires Saving layout : mux1 Is the mbk warning: lofigchain is missing on lofig mux1 ok? Will it cause errors on my next steps? My environment variables when I did scr are: MBK_CATA_LIB=.:$ALLIANCE_TOP/cells/sxlib:$ALLIANCE_TOP/cells/sc2sxlib:$ALLIA NCE_TOP/cells/padlib MBK_TARGET_LIB=$ALLIANCE_TOP/cells/sxlib MBK_WORK_LIB=. MBK_IN_LO=vst MBK_IN_PH=ap MBK_OUT_LO=vst MBK_OUT_PH=ap RDS_TECHNO_NAME=/usr/local/alliance/archi/Cygwin/etc/cmos_8.rds Hoping for your immediate response. Thank you very much! :-) *~~~~~~~~~~~~~~~~~~~~~~~~~~~~* MARLA A. CUYUGAN Science Research Specialist II Advanced Science and Technology Institute