Hi, We are here working with Alliance to learn the Physical Design flow and while working with the tool, we faced the following problems. Can you please clear us the same 1. When performing only placement using SCR in the ADDACCU tutorial ( SCR -P CORE ), we could not view the generated CORE.AP using GRAAL.The GRAAL window is not opening at all. 2. In AMD2901 tutorial, after generating HEART.AP using SCR ( SCR -P -R HEART ), while performing DRUC we got the following error => rpr : rprparse.1945 Error missing value line 234 in technology file /etc/cmos_7.rds 3. During Floorplanning and Placement , we need the die size. How can we specify the die size to the tool during Placement using SCR ? 4. How can Timing Driven Placement be done using the tool and what are all the constraints needed for it ? 5. How can we perform Compaction using the tool ? 6. What is the maximum limit of metal layers in Alliance ? Kindly help us to sort out the above problems. Waiting for your reply. regards, Shiv N. Shankar Layout Design Engineer - Trainee VinChip Systems