|  | # OBUF_6 | 
|  | set_property LOC D10 [get_ports {led[0]}] | 
|  | set_property DRIVE 12 [get_ports {led[0]}] | 
|  |  | 
|  | # OBUF_7 | 
|  | set_property LOC A9 [get_ports {led[1]}] | 
|  | set_property IN_TERM UNTUNED_SPLIT_40 [get_ports led[1]] | 
|  | set_property SLEW FAST [get_ports led[1]] | 
|  | set_property IOSTANDARD SSTL135 [get_ports led[1]] | 
|  |  | 
|  | # OBUF_OUT | 
|  | set_property LOC E3 [get_ports out_a] | 
|  | set_property IN_TERM UNTUNED_SPLIT_50 [get_ports out_a] | 
|  | set_property SLEW FAST [get_ports out_a] | 
|  | set_property IOSTANDARD LVCMOS33 [get_ports out_a] | 
|  |  | 
|  | # bottom_inst.OBUF_10 | 
|  | set_property LOC C2 [get_ports {out_b[0]}] | 
|  | set_property SLEW SLOW [get_ports {out_b[0]}] | 
|  | set_property IOSTANDARD LVCMOS18 [get_ports {out_b[0]}] | 
|  |  | 
|  | # bottom_inst.OBUF_11 | 
|  | set_property LOC R2 [get_ports {out_b[1]}] | 
|  | set_property DRIVE 4 [get_ports {out_b[1]}] | 
|  | set_property SLEW FAST [get_ports {out_b[1]}] | 
|  | set_property IOSTANDARD LVCMOS25 [get_ports {out_b[1]}] | 
|  |  | 
|  | # bottom_inst.OBUF_9 | 
|  | set_property LOC M6 [get_ports {led[2]}] | 
|  | set_property SLEW FAST [get_ports {led[2]}] | 
|  | set_property IOSTANDARD DIFF_SSTL135 [get_ports {led[2]}] | 
|  |  | 
|  | # bottom_intermediate_inst.OBUF_8 | 
|  | set_property LOC N4 [get_ports {led[3]}] | 
|  | set_property DRIVE 16 [get_ports {led[3]}] | 
|  | set_property IOSTANDARD SSTL135 [get_ports {led[3]}] | 
|  |  | 
|  | # OBUFTDS_2 | 
|  | set_property LOC N2 [get_ports signal_p] | 
|  | set_property LOC N1 [get_ports signal_n] | 
|  | set_property SLEW FAST [get_ports signal_p] | 
|  | set_property IOSTANDARD DIFF_SSTL135 [get_ports signal_p] | 
|  |  | 
|  | # GTPE2_CHANNEL | 
|  | set_property LOC G1 [get_ports {rx_p}] | 
|  | set_property LOC G2 [get_ports {rx_n}] | 
|  | set_property LOC G3 [get_ports {tx_p}] | 
|  | set_property LOC G4 [get_ports {tx_n}] | 
|  |  | 
|  | # IBUFDS_GTE2 | 
|  | set_property LOC G5 [get_ports {ibufds_gte2_i}] | 
|  | set_property LOC G6 [get_ports {ibufds_gte2_ib}] |