(slang, computer hardware) A motherboard.
The motherboard of a Dell Precision T3600 workstation from 2012
(slang, computer hardware) A motherboard.
Mainboard of a NeXTcube computer (1990), featuring a Motorola 68040 microprocessor running at 25 MHz and a digital signal processor Motorola 56001 operating at 25 MHz. The DSP was directly accessible via a connector on the rear panel.
(slang, computer hardware) A motherboard.
The Octek Jaguar V motherboard from 1993. This board has few onboard peripherals, as evidenced by the 6 slots provided for ISA cards and the lack of other built-in external interface connectors. Note the large AT keyboard connector at the back right is its only peripheral interface.