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**82495XP/490XP Cache Controller / Cache RAM (for i860)       06/05/91
***Notes:...
***Info:...
***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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**82C895         System/Power Management Controller (cached)   c:Sep94
***Notes:...
***Info:...
***Configurations:...
***Features:
o   Processor interface:
    - Intel 80486SX, DX, DX2, SLe, DX4, P24T, P24D 
    - AMD 486DX, 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 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
    - Programmable wait states for DRAM reads and writes
    - Enhanced DRAM configuration map
o   Power management:
    - Support for SMM (System Management Mode) for system power 
      management implementations
    - Programmable power management
    - Programmable wake-up events through hardware, software and 
      external SMI source
    - Multiple level GREEN support (NESTED_GREEN)
    - STPCLK# protocol support
    - One programmable GREEN event timer
o   ISA interface:
    - 100% IBM PC/AT ISA compatible
    - Integrates DMA, timer and interrupt controllers
    - Optional PS/2 style IRQ1 and 12 latching
o   VESA VL interface:
    - Conforms to the VESA v2.0 specification
    - Optional support for up to two VL masters
o   Miscellaneous features:
    - 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   Packaging:
    - Higher integration
    - Reduced TTL count
    - Low-power, high-speed 0.8-micron CMOS technology
    - 208-pin PQFP (Plastic Quad Flat Pack)

**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...
**950        LPC I/O                                         <07/16/99
***Info:...
***Versions:...
***Features:
o   Low Pin Count Interface
    - Comply with Intel LPC Interface Specification Rev. 1.0 
      (Sept. 29, 1997)
    - Supports Serial IRQ Protocol
    - Supports PCI PME# Interface
o   PC98/PC99, ACPI Compliant
    - PC98 & PC99 compliant
    - Register sets compatible with "Plug and Play ISA Specification 
      Rev. 1.0a"
    - ACPI V. 1.0 compliant
    - Supports 9 logical devices
o   Enhanced Hardware Monitor
    - Built-in 8-bit Analog to Digital Converter
    - 3 thermal inputs from remote thermistors or thermal diode or 
      diode-connected transistor
    - 8 voltage monitor inputs (VBAT is measured internally.)
    - WatchDog comparison of all monitored values
o   Fan Speed Controller
    - Provides Fan ON/OFF and PWM control
    - 3 programmable Pulse Width Modulation (PWM) Fan control outputs
    - Each PWM output supports 128 steps of PWM modes
    - Monitors 3 Fan tachometer inputs
o   Game Port
    - Built-in 558 quad timers and buffer chips
    - Supports direct connection of two joysticks
    - Game port signals are multiplexed with GPIOs
o   Two 16C550 UARTs
    - Supports two standard Serial ports
    - UART1 is dedicated for Serial port
    - UART2 supports  either Serial Port or IrDA 1.0/ASKIR
o   Consumer Remote Control (TV remote) IR with Power-up Feature
o   IEEE 1284 Parallel Port
    - Standard mode -- Bi-directional SPP compliant
    - Enhanced mode -- EPP V. 1.7 and 1.9 compliant
    - High speed mode -- ECP, IEEE 1284 compliant
    - Backdrive current reduction
    - Printer power-on damage reduction
    − Supports POST (Power-On Self Test) Data Port
o   Floppy Disk Controller
    - Supports two 360K/ 720K/ 1.2M/ 1.44M/ 2.88M floppy 
      disk drives
    - Enhanced digital data separator
    - 3-Mode drives supported
    - Supports automatic write protection via software
o   48 General Purpose I/O Pins
    - Input mode supports switch de-bounce
    - SMI is routed through GPIOs
o   Flash ROM Interface
    - Up to 4M bits flash supported
o   Single 24/48 MHz Clock Inputs
o   Single +5V Power Supply
o   128-Pin PQFP

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