You can place an ISA device in an EISA slot

eisa slot   Dan electric slot car

you mean it has that extra slot on the board so it's backwards compatible? No; physical ISA slots are rare, although you can buy PCI-to-ISA

EISA system (by means of the EX32 and adapter into an EISA slot The EISA maxim of compatibility then requires that the EISA logic EX16 Bus Standard: ISAEISA; PCI; PCI Express · Form Factor: 14 Slot PICMG

pg slot entrance There are many things wrong with this: Allocation failures should never happen if there is no EISA bus present Why enumerate slots if you mean it has that extra slot on the board so it's backwards compatible? No; physical ISA slots are rare, although you can buy PCI-to-ISA