iMac G3

journalctl | grep -i firmware

Aug 06 17:19:37 gaye kernel: Found UniNorth PCI host bridge at 0x00000000f0000000. Firmware bus
number: 0->0
Aug 06 17:19:37 gaye kernel: Found UniNorth PCI host bridge at 0x00000000f2000000. Firmware bus
number: 0->0
Aug 06 17:19:37 gaye kernel: Found UniNorth PCI host bridge at 0x00000000f4000000. Firmware bus
number: 0->0
Aug 06 17:19:37 gaye kernel: PMU driver v2 initialized for Core99, firmware: 0c

lspci -nnk

0000:00:0b.0 Host bridge [0600]: Apple Inc. UniNorth AGP [106b:0020]
        Kernel driver in use: agpgart-uninorth
0000:00:10.0 Display controller [0380]: Advanced Micro Devices, Inc. [AMD/ATI] Rage 128 VR AGP [1002:524c]
        Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Rage 128 VR AGP [1002:524c]
        Kernel driver in use: aty128fb
0001:10:0b.0 Host bridge [0600]: Apple Inc. UniNorth PCI [106b:001f]
0001:10:12.0 FireWire (IEEE 1394) [0c00]: Texas Instruments TSB12LV23 IEEE-1394 Controller [104c:8019]
        Kernel driver in use: firewire_ohci
0001:10:17.0 Unassigned class [ff00]: Apple Inc. KeyLargo Mac I/O [106b:0022] (rev 02)
        Kernel driver in use: macio
0001:10:18.0 USB controller [0c03]: Apple Inc. KeyLargo USB [106b:0019]
        Kernel driver in use: ohci-pci
0001:10:19.0 USB controller [0c03]: Apple Inc. KeyLargo USB [106b:0019]
        Kernel driver in use: ohci-pci
0002:20:0b.0 Host bridge [0600]: Apple Inc. UniNorth Internal PCI [106b:001e]
0002:20:0f.0 Ethernet controller [0200]: Apple Inc. UniNorth GMAC (Sun GEM) [106b:0021]
        Kernel driver in use: gem