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ATARI HARD DRIVIN'

HARDWARE DESCRIPTION | These games use many CPUs and many boards in many different combinations, but all games had the same basic features. | Main CPU : 68010 @ 8 MHz | GSP : TMS34010 @ 48MHz - Rasterizer : to render the polygons and graphics | PSP : TMS34012 @ 50MHz - (labelled SCX6218UTP) to expand pixels | MSP : TMS34010 @ 50MHz - (optional) to handle in-game maths calculations | Video resoution : 512x288 | Board composition : At least 3 pcb's connected together. | There are 3 different known main boards | The "Driver" board (A045988) | 68010 @ 7MHz | 2 x TMS34010 @ 50MHz | TMS34012 50MHz | Has 1MB of VRAM | - Hard Drivin' | - Race Drivin' Upgrade | The "Multisync" board (A046901) | 68010 @ 7MHz | 2 x TMS34010 @ 50MHz | TMS34012 50MHz | Has 512k of VRAM | - STUN Runner | - Steel Talons | - Hard Drivin' Compact | - Race Drivin' Compact | The "Multisync II" board (A049852) | 68010 @ 7MHz | 2 x TMS34010 @ 50MHz | TMS34012 50MHz | 1MB of VRAM | - Hard Drivin's Airborne | Stacked on top of the main board were two or more additional boards that were accessible through an expansion bus. Each game had at least an ADSP board and a sound board. Later games had additional boards for extra horsepower or for communications between multiple players. | There are 4 different known ADSP boards | The "ADSP" board | (A044420) | ADSP-2100 @ 8MHz | - early Hard Drivin' revisions | The "ADSP II" board | (A047046) | ADSP-2100 @ 8MHz | - later Hard Drivin' | - STUN Runner | - Hard Drivin' Compact | - Race Drivin' Upgrade | - Race Drivin' Compact | The "DS III" board | (A049096) | ADSP-2101 @ 12MHz | - Steel Talons | The "DS IV" board (A051973) | ADSP-2101 @ 12 MHz | - Hard Drivin's Airborne | These do not match one-for-one with the main boards above.The ADSP board is usually the board stacked closest to the main board and these boards are the workhorses of the game. They contain a single 8MHz ADSP-2100 (ADSP and ADSP II) or 12MHz ADSP-2101 (DS III) chip that is responsible for all the polygon transformations, lighting, and slope computations. Along with the DSP, there are several high-speed serial-access ROMs and RAMs. | The "ADSP II" board is nearly identical to the original "ADSP" board except that is has space for extra serial ROM data. The "DS III" is an advanced design that contains space for a bunch of complex sound circuitry that appears to have never been used. | There are 4 different known Sound Boards | The "Driver Sound" board (A046491) | 68000 @ 7MHz | TMS32010 @ 20MHz | - Hard Drivin' | - Hard Drivin' Compact | - Race Drivin' Upgrade | - Race Drivin' Compact | The "JSA II" Sound Board | 6502 @ 1.7MHz | YM-2151 | OKI6295 | - STUN Runner | The "JSA IIIS" Sound Board | 6502 @ 1.7MHz | YM2151 | OKI6295 | - Steel Talons | The "DS IV" sound board | 2 x ADSP2105 @ 10MHz | The "Driver sound" board runs with a 68000 master and a TMS32010 slave driving a DAC. The "JSA" boards are both standard Atari sound boards with a 6502 driving a YM2151 and an OKI6295 ADPCM chip. | There are 3 known Supplemental Boards | The "DSK" Board (A047724) | DSP32C @ 40MHz | TMS32015 @ 20MHz | DSP/Graphics Board | - Race Drivin' Upgrade | - Race Drivin' Compact | The "DSPCOM" I/O Board (A049349) | ADSP-2105 @ 10MHz | Communication Board | - Steel Talons | The "DISK II" board (A051028) | Unknown Use | - Hard Drivin's Airborne | PCB Photos (huge) : | Main Board | - | Drive Sound | - | DSK Board | - | ADSP II Board | Emulators : | MAME