The Sega NAOMI 2 had 2 PowerVR CLX2 GPUs, a PowerVR Elan chip, and 2X the graphics memory. There is also an inactive emulator for the unrelated earlier Gaelco 3D system, and MAME supports that one.
Not their early 'Gaelco 3D' board from 1996-1998. PowerVR 2-based board from Spanish company. The CPU was a 2× Hitachi SH-4 CPU at 200 MHz and the GPU was a 2× NEC-VideoLogic PowerVR 2 (PVR2DC/CLX2). The Sega Hikaru had a specific Motorola 68000 CPU just for networking.
The CPU was 2× to 16× Hitachi SH-4 CPU at 200 MHz with the GPU being either 2× to 16× NEC-VideoLogic PowerVR 2 (PVR2DC/CLX2). The Sega NAOMI Multiboard had 112 to 869MB of RAM. The Sega NAOMI had a Hitachi SH-4 CPU at 200 MHz with 56MB of RAM (568MB of RAM with GD-ROM) and a NEC-VideoLogic PowerVR2 (PVR2DC/CLX2). Sega Hikaru had its own Sega Custom 3D GPU composed of dual PowerVR 2 GPU chips. Many of them also utilized their own Yamaha audio chipset. The exception was the Cave CV1000 which ran on a Hitachi SH-3 CPU and its GPU was the Altera Cyclone EP1C12 FPGA. Next, all but two of these various boards shared their own form of the PowerVR 2 graphics processor with some differences in specifications (eg. The NAOMI board and almost all of its variants were united in common by running on mostly the SH-4 32-bit RISC CPU. The Sega Chihiro, or possibly even the Sega Lindbergh, could also be seen as successors. The NAOMI was succeeded by the Sega Hikaru and Sega NAOMI 2 boards, though having out-lasted the NAOMI 2, Hikaru and Sega System SP. It was designed as a successor to Sega Model 3 hardware, using a similar architecture to the Sega Dreamcast. The NAOMI ( New Arcade Operation Machine Idea) is an arcade system released by Sega in 1998.
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