On Sat, 17 Oct 2020 at 17:05, ToddAndMargo via users <users@lists.fedoraproject.org> wrote:
On 10/17/20 12:29 PM, George N. White III wrote:
> On Sat, 17 Oct 2020 at 16:23, ToddAndMargo via users
> <users@lists.fedoraproject.org <mailto:users@lists.fedoraproject.org>>
> wrote:
>
>[...]
>
> You might be able to get the chipset by looking at the label of the big IC's

It is a "VIA VT8231"

$ modinfo parport_pc
filename:
/lib/modules/5.8.14-200.fc32.x86_64/kernel/drivers/parport/parport_pc.ko.xz
license:        GPL
description:    PC-style parallel port driver
author:         Phil Blundell, Tim Waugh, others
[...] 
parm:           io:Base I/O address (SPP regs) (array of int)
parm:           io_hi:Base I/O address (ECR) (array of int)
parm:           irq:IRQ line (array of charp)
parm:           dma:DMA channel (array of charp)
parm:           init_mode:Initialise mode for VIA VT8231 port (spp, ps2,
epp, ecp or ecpepp) (charp)


Init_mode looks like something you should investigate.   

You might also try booting a Fedora Live USB to duplicate the vendor's 
setup.
 
--
George N. White III