You are thinking of DOS / Win 3.11 era. I also had to play with DMA and irq jumpers. Gp post is thinking on Win 95 to XP era. When CDs were common but internet

You are thinking of DOS / Win 3.11 era. I also had to play with DMA and irq jumpers. Gp post is thinking on Win 95 to XP era. When CDs were common but internet was usually 56k .