We have cnc milling makino hyper mill 5 series. Our company using PCB manufacturing, some time using big size programe.now our machine only uses small size programs (use system memory) via RS232 cable.

but I will checking my machine Hard disk drive(HD-DRIVE) have ,size of the disk 4gb.
I will try to connect HDR, but cannot do it.

I checking our system message following like this

[LCL] INVALID MAC ADDRESS 090721 0751

Anyone knows how to clear this problem pls send reply.
jay_senthil@yahoo.com