Forgot to mention that a USB-Serial adapter will ONLY work if the
program on the PC is written for Windows. A program written for DOS
will go straight to the hardware, which doesn't exist when you use a
USB-Serial adapter. To get the hardware for DOS programs, you need
something like a PCMCIA to serial adapter.

-John

On Feb 23, 1:16 pm, jcarlyle wrote:
I mainly use a Iomega GUC232A adapter, but I also have an EasySync ES-
U-1001-R10. The main difference between the two is that the Iomega
uses aProlific PL2303 chip, while the EasySync uses a FT232RQ chip.

I've always been able to connect to RS232 devices with either adapter,
under both Win98SE and XP Pro. Can't be positive, but I think the keys
a

1. follow the instructions and install the driver FIRST before
plugging the adapter in, and
2. use Device Manager to change the adapter's Com port to something
between Com 1 and Com 4.