Check the listing for details. IBM PC AT 16-bit ISA Bus Prototyping Extender Riser Card PCB FR4 edge connector. Condition: New. Listed at 38.57 USD. IBM PC 16-bit ISA Bus Prototyping Extender Riser Card PCB board FR4 Double sidedAT GREEN solder mask Please note, you will receive 1x PCB and 1x 16-bitISA Bus edge connectorall assembled. If you wish receive disassembled card, or bare PCB without connector then send me a message prior to purchase. I have originally designed this backplane for few of my projects, but this turn out so well, that I have offered PCB's for minimum price for my fellow enthusiast such as yourself :) You can use these card in industry standard ISA 16-bit slot to raise card above motherboard for easier prototyping. Card has standard 16-bit ISA bus edge connector with 45 chamfered edge for easy insertion and comes with industry standard 98pin ISA Bus edge connector already assembled. Connector is golden plated and decent quality. These are high quality FR4 boards and also most likely cheapest you can buy. PCB accommodates1.00m holes for test points or standard 2.54mm Dupont terminal can be fitted.You can buy test points on eBay (search for William Hughes PCB test points). Pictures in auction listing are pretty much self explanatory, but please let me know if you need help with it. Card comes with fitted rear panel holder. Board Type: Prototype Board Board Material: FR4-Standard Tg 130-140C Epoxy Glass Composite Layers: Double sided PCB Colour: Green colour solder mask, white silk screen lettering Surface Finish: Lead free HASL-RoHS External size: 162x155mm bare PCB; 162x169mm including connector Board Thickness: standard 1.6mm fits in standard 16-bit ISA card slot either way Board Connector / Footprint: 98pin (2x31pin 2x18pin) ISA Bus connector with 45 chamfered edge,98pin (2x31pin 2x18pin)edge card connector. Copper Thickness: 35um Card weight: 100g Check out my other auctions! ---------------------------------------------------------------------------------------------------------------------------------------- Shipping via Royal Mail1st / 2ndclass or Collection from Kent, UK. International shipping: available directly via Royal Mail in Europe or International eBay shipping programme.No shipping to Italy due to problems with customs and the Russian Federation due to the complicated geopolitical situation. PayPal payment or cash upon collection only please. Don't hesitate to ask any questions and check out my seller feedback.