WKWK777 The VLB portion of a slot looks similar to an IBM MCA slot, as indeed it is the same physical 116-pin connector used by MCA cards, rotated by 180 degrees. The length of the slot and number of pins makes VLB cards notoriously difficult to install and remove. Glitches between cards are common, as the interaction between individual cards, combinations of cards, motherboard implementation, and even the processor itself are difficult to predict. When the Pentium processor arrived, there were major differences in its bus design, not easily adaptable to a VESA Local Bus implementation. VLB bandwidth depended on the CPU's bus speed: It started at 100 MB/s for CPUs with a 25 MHz bus, increased to 133 MB/s at 33 MHz and 160 MB/s at 40 MHz, and reached 200 MB/s at 50 MHz. Vintage Computing and Gaming Adventures in Classic Technology. The need for faster graphics was driven by increased adoption of graphical user interfaces in PC operating systems.|Cheaper Fares on Swedish Routes?