 | MPU (Microprocessor
Unit): IBM PowerPC "Gekko"
|
| Manufacturing process:
0.18 Microns Copper Wire Technology
|
| Clock frequency:
405mhz
|
| 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:
202.5mhz
|
| Embedded frame buffer:
Approx. 2MB, Sustainable Latency: 5ns (1T-SRAM)
|
| Embedded Texture
Cache: Approx. 1MB, Sustainable Latency: 5ns (1T-SRAM)
|
| Texture Read
Bandwidth: 12.8GB/second (peak)
|
| Main Memory Bandwidth:
3.2GB/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 (100mhz
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
|
