Generic PCI/EISA bridge

modulename: pci_eisa.ko

configname: CONFIG_EISA_PCI_EISA

Linux Kernel Configuration
└─>Device Drivers
└─>EISA support
└─>Generic PCI/EISA bridge
In linux kernel since version 4.2 (release Date: 2015-08-30)  
Activate this option if your system contains a PCI to EISA
bridge. If your system have both PCI and EISA slots, you
certainly need this option.

When in doubt, say Y.

source code: