I just bought a device called Pocket Quicken. It is a little hand held unit which interfaces with Quicken. This device will not work on my serial port (com2). I have my mouse on com1 (irq 04), com2 (irq 03) is available, com3 (irq 04) is available, and com 4 (irq 03) is available. When I phoned tech support, they told me that with this particular device, the irq must be at least one number away from any other device. The only irq's I have available are 09, 10, 11, and 12. Is there any add-on I can puchase to solve this problem? If I converted my mouse to a bus mouse and configured the device to irq 03 on com 2, would it conflict with irq 02 (programmable interupt controller)?