=== uname ===
DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026     root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64
=== dmesg (isab/isa/PIIX lines) ===
isab0: <ACPI Generic ISA bridge> on acpi0
isa0: <ISA bus> on isab0
isab1: <PCI-ISA bridge> at device 1.0 on pci0
isa1: <ISA bus> on isab1
atapci0: <Intel PIIX3 WDMA2 controller> port 0xc0a0-0xc0af,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 1.1 on pci0
orm0: <ISA Option ROM> at iomem 0xe8000-0xeffff on isa1
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa1
sio2: can't drain, serial port might not exist, disabling
=== devinfo tree around isab ===
  acpi0
    pcib0
      pci0
        hostb0
        isab1
          isa1
            vga0
            orm0
        atapci0
          ata0
            atapicam0
--
    pci_link1
    pci_link2
    pci_link3
    pci_link4
    isab0
      isa0
    cpu0
      cpu_cst0
    cpu1
      cpu_cst1
    cpu2
=== PCI class 0x0601 (PCI-ISA bridges) ===
isab1@pci0:0:1:0:	class=0x060100 card=0x11001af4 chip=0x70008086 rev=0x00 hdr=0x00
=== isa bus children ===
        isab1
          isa1
            vga0
            orm0
--
    isab0
      isa0
    cpu0
      cpu_cst0