SERIAL PORTS INSTALLATION INSTRUCTIONS FOR DSERIAL 550 ISA WINDOWS 95/98/Me/2000 1) Check for available resources. Enter Device Manager By RIGHT clicking on My Computer from the desktop going to properties and then clicking the Device Manager Tab. a) Double-click computer in Device Manager. b) Find a number between missing in here between 0 and 15. If 9 is missing then set the IRQ jumper to 2. If all the IRQs are being used then you must disable a device to free up an interrupt for our card. c) In Device Manager open up ports COM and LPT. Record which COMs are in there. In Device Manager open up Modems. Double-click your internal modem (if you have one). Go to the Modem tab. Record the COM it is using. Set the COM jumper NOT to what you have currently recorded. I.e. if you have recorded COM1 COM2 COM3 jumper our card for COM4 2) Shut down your computer and place our card back in the slot. 3) Boot into the BIOS setup. Reserve the IRQ in the BIOS setup. These instructions apply to all Lava Cards that have IRQ jumper settings. The following steps apply to an Award BIOS version 4.51 PG. Consult your motherboard manual to find equivalent settings and how to enter your BIOS setup. Enter PNP CONFIGURATION SETUP. Change RESOURCES CONTROLLED BY from AUTO to MANUAL. Scroll down to the IRQ assigned to our card and change that IRQ from PCI/ISA PnP to Legacy ISA. Save Settings and exit. 4) Boot back into Windows. 5) Run Add New Hardware and let it detect our card. 6) Go to device manager and double click the new COM port. Go to Resources and make sure that the Interupt Request matches what you have set our card to. 7) Repeat Steps 1)-6) for the second serial port.