I beleive I have decompressed my driver, tar .... I get pctel-0.9.7-9-rht-9/ blah blah to pctel-0.9.7-9-rht-9/src/linmodem-2.6.h me@me-desktop:~/Desktop$ cd pctel-0.9.7-9-rht-9, then me@me-desktop:~/Desktop/ pctel-0.9.7-9-rht-9$ cd src, then me@me- desktop:~/ Desktop/ pctel-0.9.7-9-rht-9/src$ cd ./configure -auto checking......for gcc, etc. detecting modem...found pct789 up til now ok but, me@me-desktop:~/ Desktop/pctel-0.9.7-9-rht-9/src$ make (is this next command) response: CC vuart.o LD binary.a make -C /lib/modules... M=/home/me/Desktop.../src make[1]:Entering directory `/usr/src/linux-headers-2.6.27 LD /home/me/Desktop/pctel-0.9.7-9-rht-9/src/built-in.o CC [M] /home/me/Desktop/pctel-0.9.7-9-rht-9/src/ linmodem-2.6.o /home/...linmodem-2.6.c: In function 'received_chars': /home/...linmodem-2.6.c:416: error: 'struct uart_info' has no member named 'tty' make[2]:***[/home/me/Desktop/pctel-0.9.7-9-rht-9/ src/linmodem-2.6.o] Error 1 make[1]:***[_module_/home/me/Desktop/pctel-0.9.7-9-rht-9/src] Error 2 make[1]: Leaving directory`/usr/src/linux-headers-2.6.27 make:***[all] Error 2 instructions I have found I beleive are telling me that 'make' command (as above) then 'make install' and that finishes the install. right, wrong, I don't know. thnx for the help and responses so far Reid