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**82495XP/490XP Cache Controller / Cache RAM (for i860)       06/05/91
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***Features:...
**82496/491     Cache Controller / Cache RAM (for P5 Pentium) 03/22/93...
**82497/492   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94...
**82498/493   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94...
**
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**82C802G/GP     System/Power Management Controller (cached)      c:93
***Notes:...
***Info:...
***Configurations:...
***Features:
[features found only in the 802GP are marked in [] brackets ]

o   Processor interface:
    - Intel 80486SX, DX, DX2, SLe, DX4, P24T, P24D
    - AMD 486SX, DX2, DXL, DXL2, Plus
    - Cyrix DX, DX2, M7
    - CPU frequencies supported 20, 25, 33, 40 and 50MHz
o   Cache interface:
    - Direct mapped cache
    - Two banks interleaved or single bank non-interleaved
    - 64, 128, 256 and 512K cache sizes
    - Programmable wait states for L2 cache reads and writes
    - 2-1-1-1 read burst and zero wait state write @ 33MHz
    - No Valid bit required
   [- Supports external single-chip cache modules from thyroid-party ]
   [  vendors for high performance at 50MHz                          ]
    - Supports CPUs with L1 write-back support
o   DRAM interface:
    - Up to 128MB main memory support
    - Supports 256KB, 1MB, 4MB, and 16MB single- and double-sided SIMM 
      modules
    - Read page hit timing of 3-2-2-2 at 33MHz
    - Supports hidden, slow. and CAS-before-RAS refresh
    - Four RAS lines to support four banks of DRAM
   [- Eight RAS lines to support four banks of DRAM  ]
    - Programmable wait states for DRAM reads and writes
   [- Programmable memory holes for supporting ISA memory ]
    - Enhanced DRAM configuration map
   [- Strong drivers on the MA lines (12/24mA) ]
   [- Supports asymmetric DRAMs                ]
o   Power management:
    - Support for SMM (System Management Mode) for system power 
      management implementations
    - Programmable power management
   [- CPU clock control ]
    - Programmable wake-up events through hardware, software, and 
      external SMI source
    - Multiple level GREEN support (NESTED_GREEN)
    - STPCLK# protocol support
   [- Programmable GREEN event timer       ](802G  only)
   [- Individually programmable peripheral ](802GP only)
o   ISA interface:
    - 100% IBM PC/AT ISA compatible
   [- Programmable edge- or level-trigger interrupts ]
    - integrates DMA, timer and interrupt controllers
   [- Slew rate control for output drivers           ]
    - Optional PS/2 style IRQ1 and IRQ12 latching
o   VESA VL interface:
    - Conforms to the VESA V2.0 specification
    - Optional support for up to two VL masters
o   Miscellaneous features:                              (802G only)
    - Full support for shadow RAM, write protection, L1/L2 
      cacheability for video, adapter, and system BIOS
    - Enhanced arbitration scheme
    - Transparent 8042 emulation for fast CPU reset and GATEA20 
      generation
o  [Miscellaneous features:                             ](802GP only)
   [- Full support for flash, write protection, L1/L2   ]
   [  cacheability for video, adapter, and system BIOS  ]
   [- Provides Micro Channel bridge support             ]
   [- 10-/16-nit I/O decodes                            ]
   [- Enhanced arbitration scheme                       ]
o   Packaging:
    - Higher integration
    - Reduced TTL count
    - Low-power, high~speed 0.8-micron CMOS technology
    - 208-pin PQFP (Plastic Quad Flat Pack)

**82C895         System/Power Management Controller (cached)   c:Sep94...
**82C898         System/Power Management Controller (non-cache)c:Nov94...
**
**Support Chips:
**82C601/2       Buffer Devices                                 <Nov94...
**82C822         PCIB (VLB-to-PCI bridge)                         c:94...
**Other:...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
*Symphony...
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*Unresearched:...
*VIA...
**Later AMD
***Notes (Unverified Information!):...
***VT8371           KX-133...
***VT8361           KLE133, Trident Blade 3D      c:2001...
***VT8362/5         KN-133, KM-133 (VS2-K7) ProSavage4...
***VT8363           KT-133, KZ-133...
***VT8363A          KT-133A                       c:2001...
***VT8363E          KT-133E...
***VT8364           KL-133  Savage4 AGP...
***VT8364A          KL-133A Savage4 AGP...
***VT8365A          KM-133A (VS2-K7)  ProSavage4...
***VT8366/8372      KT-266, KT-266DP, KN-266      c:Jan01...
***VT8366A          KT-266A                       c:Sep01...
***VT8367           KT-333                        c:Feb02...
***VT8367A          KT-333A                       c:Feb02...
***?                KM-333, KN-333 Zeotrope AGP ...
***VT8368           KT-400                        c:Aug02...
***VT8375           KL266, KM-266 (VS12-K7) ProSavage8...
***VT8377A          KT-400A                       c:Mar03...
***VT8378           KM-400, KN-400  UniChrome AGP...
***?                KM-400A...
***VT8377?          KT-600                        c:May03...
***VT8379           KT-880                        c:Feb04...
**Other...
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