Why an EISA card won't fit in an ISA slot 2/2: the keying is different

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   Phil M0OFX (philpem@digipres.club)'s status on Thursday, 31-Aug-2023 02:51:54 JST Phil M0OFX

   in reply to

   Here's the one I ordered incorrectly. Adaptec AHA-1740. EISA. Spoiler - you can put an ISA card in an EISA slot, but you can't put an EISA card in an ISA slot.
   See the second and third photos to see why that doesn't work...