>visionsystems.de/VS-MB3 (318.html)   Features 3 ISA slots 4 layers Dimensions W77.97mm x H171.45mm       VS-MB3 Quick Link: | Features | More Pictures | Overview | |   More Pictures Klick on the thumbnails to enlarge them … >Back to top         Overview They use 4 Layer PCB with power and ground planes to reduce noise interference and power impedance. ISA Slot 3 ISA-bus slots passive backplanes PC Board 4 layers PCB with power and ground planes to reduce noise interference and power impedance Dimensions W77.97mm x H171.45mm >Back to top