What are these weird long ISA slots on this 386 board?

3 ISA Slot PC Mid-tower P4 Computer with Legacy OS Support isa slot computer One thing that is available is a PCIe to ISA chassis for old MODEM cards It's an x8 lane PCIe card with a snake that plugs into the chassis isa slot computer ISACA'S CISA certification exams are computer-based and administered at authorized PSI testing centers globally or as remotely proctored exams CISA exam

isa slot इंडस्ट्री स्टैण्डर्ड आर्किटेचर एक Computer bus specification है जिसका उपयोग 8-बिट IBM-compatible systems के लिए किया