vi
Troubleshooting....................................................................................................................... 31
Diagnostics................................................................................................................ 31
Video Display............................................................................................................ 31
Obtaining a Usable Video Resolution....................................................................... 31
Determining a Defective Unit.................................................................................... 32
4 Technical Description........................................................................................................33
Rasterization Accelerator Features.......................................................................................... 33
PCI Bus Interface...................................................................................................... 34
Graphics Engine........................................................................................................ 35
Texture Processor...................................................................................................... 36
Frame Buffer.............................................................................................................37
Rasterization Accelerator Functions........................................................................................ 40
Pixelization Accelerator............................................................................................ 41
Texture Processor...................................................................................................... 42
Frame Buffer.............................................................................................................42
Geometry Accelerator Features and Functions........................................................................ 45
High-Speed Graphics DMA Engine.......................................................................... 45
MIMD DSP Architecture .......................................................................................... 45
Sequence Controller.................................................................................................. 45
5 Hardware Description.......................................................................................................47
Rasterization Accelerator Components.................................................................................... 47
Z10............................................................................................................................ 47
Z13............................................................................................................................ 48
Z25 and V25.............................................................................................................. 49
PCIDMA................................................................................................................... 50
Graphics Engine and Texture Processor.................................................................... 50
Z10 Texturing Accelerator........................................................................................ 52
Texture Memory........................................................................................................ 53
Resolver Architecture................................................................................................ 53
Video Memory.......................................................................................................... 54
Video Selector and Mapper (Z10 Only).................................................................... 54
Digital-to-Analog Converter ..................................................................................... 54
Geometry Accelerator Components......................................................................................... 55
PCIDMA................................................................................................................... 55
I/O FIFO....................................................................................................................55
DSPs.......................................................................................................................... 56
Sequence Controller.................................................................................................. 56
6 Specifications ..................................................................................................................... 57
Cooling System (Z25 and V25)............................................................................................... 57
Texturing System..................................................................................................................... 58
Geometry Accelerator Support................................................................................................ 58
Monitor Resolutions................................................................................................................ 59