Hi, Any idea what I'm doing wrong? Fedora Core 6 Kernel: 2.6.18-1.2868.fc6 Thanks, John root@prescott(/opt/Modem/PCTel/pctel-0.9.7-9-rht-6) 1024# ./setup checking for running kernel version...2.6.18 checking for ptserial...ptserial-2.6.c checking for gcc...4.1.1 searching for kernel includes...found at /lib/modules/2.6.18-1.2868.fc6/build/include checking for autoconf.h.../lib/modules/2.6.18-1.2868.fc6/build/include/linux/autoconf.h checking for asm/mach-default...yes checking for kernel version in version.h...t.c: In function ‘main’: t.c:4: error: ‘UTS_RELEASE’ undeclared (first use in this function) t.c:4: error: (Each undeclared identifier is reported only once t.c:4: error: for each function it appears in.) ./configure: line 448: ./t: No such file or directory rm: cannot remove `./t': No such file or directory ** error could not determine a proper UTS_RELEASE UTS_RELEASE is checking type of tty_struct.count...int checking for presence of udev...present (kernel version 2.6.13 or later) detecting your modem...found. Your modem is a pct789 type modem. ** compilation error please read the FAQ about reporting compilation problems and report this problem. A transcript of the build process has been saved in src/make.log. When reporting problems to the development team, please send us this file. root@prescott(/opt/Modem/PCTel/pctel-0.9.7-9-rht-6) 1025# Chip: PCT789T-C1 0025 A030 Taiwan K Board Front: 2014N Ver: 5.2A Board Back: 0032 94V-0 Board Back Label: F0082575529L0I FCC Label: RegNo: 5RJTAI-33566-M5-E