tinkerprinter
New Member
Well I was wondering if anyone here ever had the curiosity or better yet gave-in to the curiosity to plug in a PCI VGA graphics card into one of the PCI slots on the HP Designjet Jesulin+LF mainboardPCA/formatter ie "motherboard"? The idea is that you could see the "initial" BIOS and other boot-up procedures on a monitor if you were able to plugin a Video card and connect a monitor. I haven't tried it, "yet", but before I mustered up the courage to try it I wanted to see if anyone else beat me to it and lived, or better if the plotter lived 
Fyi, I did try to connect to the SERIAL port that the Control Panel connects to, but perhaps I had some of the parity bit/stop bit or connection speed wrong because I didn't get anything on there. Apparently the L25500 SERVICE Manual admits that it runs MontaVista LINUX and perhaps other HP Designjets run the same MontaVista LINUX open source operating system also. And if so that begs the question, where's the CODE?
Fyi, I did try to connect to the SERIAL port that the Control Panel connects to, but perhaps I had some of the parity bit/stop bit or connection speed wrong because I didn't get anything on there. Apparently the L25500 SERVICE Manual admits that it runs MontaVista LINUX and perhaps other HP Designjets run the same MontaVista LINUX open source operating system also. And if so that begs the question, where's the CODE?