| > I'm pretty sure a MIPS doesn't have them on port 60h/64h, or indeed any I/O ports. Funnily enough, it does. They're just sitting behind a AMD CS5536 PCI-to-ISA bridge. https://man.openbsd.org/man4/loongson/glxpcib.4 https://man.openbsd.org/pckbc ... > glxpcib0 at pci0 dev 14 function 0 "AMD CS5536 ISA" rev 0x03: rev 3, 32-bit 3579545Hz timer, watchdog, gpio, i2c > isa0 at glxpcib0 > pckbc0 at isa0 port 0x60/5 irq 1 irq 12 > pckbd0 at pckbc0 (kbd slot) > wskbd0 at pckbd0: console keyboard, using wsdisplay0 > pms0 at pckbc0 (aux slot) > wsmouse0 at pms0 mux 0 > mcclock0 at isa0 port 0x70/2: mc146818 or compatible ... Other machines, such as the DEC Alpha were similar. |