PCIe backwards compatibility

Hello,
I am installing a new Lenovo ThinkCentre desktop in to a POS system, W7 64bit, and plan use an existing kithen printer having a parallel interface. The desktop has 2 slots open for PCIe base spec 2.0 x1 slots. I can easily find adapter cards which meet PCIe base spec 1.0 but not 2.0. Will they work?
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More about pcie backwards compatibility
  1. 2.0 is backwards compatible with 1.x if thats what you were asking.
  2. If you mean 2.0 in a 1.x slot then maybe- http://www.tomshardware.co.uk/forum/269370-15-express-slot
  3. jay_nar2012 said:
    If you mean 2.0 in a 1.x slot then maybe- http://www.tomshardware.co.uk/forum/269370-15-express-slot


    I mean trying to install a base spec 1.0 PCIe x1 card in a spec 2.0 desktop bus. thoughts?
  4. PCI-E x1 in a x16 slot, yes that would work.
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