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Hardware

MPU (Microprocessor Unit): IBM PowerPC "Gekko"

Manufacturing process: 0.18 Microns Copper Wire Technology
Clock frequency: 485mhz
CPU capacity: 925 Dmips (Dhrystone 2.1)
Internal data precision: 32bit & 64bit floating point
External bus bandwidth: 1.6GB/second (peak), (32bit address, 64bit data bus 202.5mhz)
Internal cache: L1: Instruction 32KB, Data 32KB (8 way), L2: 256KB (2 way)

System LSI: "Flipper"

Manufacturing process: 0.18 microns NEC Embedded DRA Process
Clock frequency: 162 mhz
Embedded frame buffer: Approx. 2MB, Sustainable Latency: 5ns (1T-SRAM)
Embedded Texture Cache: Approx. 1MB, Sustainable Latency: 5ns (1T-SRAM)
Texture Read Bandwidth: 10.4GB/second (peak)
Main Memory Bandwidth: 2.6GB/second (peak)
Color, Z Buffer: Each is 24bits
Image Processing Function: Fog, subpixel anti-aliasing, HW light x8, alpha blending, virtual texture design, multi-texture mapping/bump/environment mapping, MIPMAP, bilinear filtering, real-time texture decompression (S3TC), etc.
Other: Real-time decompression of display list, HW motion compensation capability

The Gekko MPU integrates the PowerPC CPU into a custom game-centric chip.

(The following sound related functions are all incorporated into the system LSI)

Sound processor: Special 16bit DSP
Instruction memory: 8KB RAM + 8KB ROM
Data memory: 8KB RAM + 4KB ROM
Clock frequency: 101.25mhz
Minimum number of simultaneously produced sounds: ADPCM: 64ch
Sampling frequency: 48khz
System floating point arithmetic capability: 13.0GFLOPS (peak), (MPU, Geometry Engine, HW Lighting Total)
Actual display capability: 6 million to 12 million polygons per second (display capability assuming actual game with complexity model, texture, etc.)
System main memory: 24MB sustainable latency, (10ns or lower 1T-SRAM)
A-Memory: 16MB (81mhz DRAM)
Disc Drive: CAV (Constant Angular Velocity) system average access time 128ns, Data transfer speed: 16Mbpsto 25Mbps
Media: 8cm Nintendo Gamecube Disc based on Matsushita's optical disc technology – approximately 1.5GB capacity
Input: Controller port: x4, Digicard slot: x2, Analog AV output: x1, Digital AV output: x1, High-speed serial port: x2, High-speed parallel port: x1
Power supply: AC Adapter DC12V x 3.5A
Main unit dimensions: 150mm(W) x 110mm(H) x 161mm(D)