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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...
**
**Later chipsets (basic spec):
**440 series:...
**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99...
**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
**82C291         SXWB PC/AT Chipset  (386SX)                      c:91
***Info:
The  OPTi  SXWB  provides  a  highly  integrated  solution  for  fully
compatible, high-performance PC/AT platforms.  Since the chipset is so
critical to  the performance and cost  structure of a  PC, this highly
integrated approach provides the  foundation for a very cost effective
platform  without  compromising  performance.   Together  with  OPTi’s
82C206  Integrated  Peripherals Controller  (IPC),  this silicon  will
support the Intel/AMD 386SX  and Cyrix CX486SLC microprocessors in the
most cost effective and power efficient designs available today.  This
chipset offers  optimum next generation performance  for 386SX systems
running up to  33MHz. The OPTi SXWB solution  provides the performance
benefits of  a 32-bit programming  architecture with the  cost savings
associated  with  16-bit  hardware  systems.  The  OPTi  SXWB  chipset
provides a  solution positioned  to deliver value,  without neglecting
quality, compatibility, or reliability.

The  82C291 integrates  a write-back  cache controller,  a  local DRAM
controller, the CPU state machine,  the AT bus state machine, and data
buffers all in a single 160-pin Plastic Quad Flat Pack (PQFP). On-chip
hardware provides the hooks for local bus device support.


***Configurations:...
***Features:...
**82C295         SLCWB PC/AT Chipset (386SX)                         ?...
**82C381/382     HiD/386             (386DX)                      c:89...
**82C391/392     386WB PC/AT Chipset (386DX)                    <Dec90...
**82C461/462     Notebook PC/AT chipset [no datasheet]               ?...
**82c463         SCNB Single Ship Notebook                        c:92...
**82c465MV/A/B   Single-Chip Mixed Voltage Notebook Solution    <Oct97...
**82C481?/482?   HiP/486 & HiB/486 [no datasheet]                Oct89...
**82C491/392     486WB PC/AT Chipset                         <04/21/91...
**82C493/392     486SXWB                                     <10/21/91...
**82C495SX/392SX LCWB PC/AT chipset [no datasheet]                   ?...
**82C495SLC      DXSLC 386/486 Low Cost Write Back                c:92...
**82C495XLC      PC/AT Chip Set                                   c:93...
**82c496A/B      DXBB PC/AT Chipset                             <Mar92...
**82C496/7       DXBB PC/AT Chipset (Cached)                 <01/16/92...
**82C498         DXWB PC/AT chipset [no datasheet]                   ?...
**82C499         DXSC DX System Controller                        c:93...
**82C546/547     Python PTM3V                                     c:94...
**82C556/7/8     Viper [no datasheet]                                ?...
**82C556/7/8N    Viper-N  Viper Notebook Chipset             <05/25/95...
**82C556M/7M/8E  Viper-N+ Viper Notebook Chipset                  c:96...
**82C566/7/8     Viper-Max Chipset Scalable MultiMedia PC Solution   ?...
**82C571/572     486/Pentium                                      c:93...
**82C576/7/8     Viper Xpress  [no datasheet]                        ?...
**82C576/8/9     Viper XPress+ [no datasheet, some info]     <01/16/97...
**82C596/597     PTMAWB Pentium Adaptive Write-back (Cobra)       c:93...
**82C650/1/2     Discovery (Pentium Pro) [no datasheet]              ?...
**82C681/2/6/7   386/486WB EISA                                   c:92...
**82C683         386/486AWB EISA [no datasheet]                      ?...
**82C693/6/7     Pentium uP Write Back Cache EISA                 c:93...
**82C700         FireStar                                         c:97...
**82C701         FireStar Plus                                    c:97...
**82C750         Vendetta      [no datasheet]                        ?...
**82c801         SCWB2 DX Single Chip Solution                    c:92...
**82C802         SCWB2 PC/AT Single Chip [no datasheet]              ?...
**82C802G/GP     System/Power Management Controller (cached)      c:93...
**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...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
*VLSI...
**VL82C323         SCAMP II, 5 Volt Power Management Unit (PMU)      ?
***Info:...
***Versions:...
***Features:
o   Supports X86-based PC/AT-compatible systems
o   Provides system activity monitoring, peripheral control, power
    supply control, mode timers, and general purpose I/O for laptop/
    notebook power management 
o   Includes the logic to support X86 processors with the System
    Management Mode (SMM) feature
o   Five operation modes:
    - On Mode
    - Doze Mode
    - Sleep Mode
    - Suspend Mode
    - Off Mode
o   Independent programmable timers for power saving modes
o   Independent programmable timers for LCD and backlight control
o   Ten individual power control outputs:
    - Three for LCD power
    - Seven general purpose for peripherals
o   Two to four low battery warning monitors
o   Multiple power on sources from Suspend/Off Mode:
    - Push-Button
    - Real-time clock alarm
    - Modem ring
o   AC power monitoring to disable PMU function
o   Suspend Mode refresh options:
    none, CAS-before-RAS, Self-Refresh
o   Leakage control of outputs during Suspend Mode
o   Wide range of LCD panel power-up/-down sequencing
o   Ten general purpose I/O ports; eight with additional  I/O
    features:
    - One programmable blinking I/O
    - Two optional low battery inputs
o   Watchdog timer to turn-off system power if low battery NMI
    is not serviced
o   Programmable interrupt generation on:
    - PMU power mode
    - Low battery warning
    - External input
    - LCD panel timer
    - Reschedule Suspend Mode Interrupt by BIOS
    - Activity detection
o   Generated interrupt selectable as IROx, NMI, or SMI
o   Controls SCAMP I or SCAMP II (VL82C310 or VL82C316) 
    -SLEEP pin
o   Real-time clock alarm IRQ output pin for SCAMP 1 Controller
o   1.5-micron CMOS Technology
o   100-lead (thin) metric quad flat pack (MQFP) 


**VL82C380         Single chip 386DX PC/AT Controller +on-chip cache ?...
**VL82C325             VL82C386SX System Cache controller            ?...
**VL82C335             VL82C386DX System Cache ctrl. [no d.sheet]    ?...
**VL82C315A/322A/3216  Kodiak 32-Bit Low-Voltage Chip Set            ?...
**VL82C420/144/146     SCAMP IV [no datasheet, some info]          c93...
**VL82C480         System/Cache/ISA bus Controller                   ?...
**VL82C481         System/Cache/ISA bus Controller                 c92...
**VL82C486         Single-Chip 486, SC486, Controller                ?...
**VL82C425         486 Cache controller                              ?...
**????????         Cheetah 486, PCI [no datasheet]                   ?...
**VL82C3216        Bus Expanding Controller Cache with write buffer  ?...
**VL82C521/522     Lynx/M                                            ?...
**VL82C530         Eagle Ð                                         c95...
**VL82C541/543     Lynx                                            c95...
**VL82C591/593     SuperCore 590                                   c94...
**VL82C594/596/597 Wildcat                                         c95...
**I/O Chips:
**VL82C106 Combination I/O chip                                      ?...
**VL82C107 SCAMP  Combination I/O chip                               ?...
**VL82C108 TOPCAT Combination I/O chip                               ?...
**VL82C110 Combination I/O chip                                      ?...
**VL82C113 SCAMP  Combination I/O chip                               ?...
**VL82C114 Combination I/O chip                                      ?...
**Video: ...
**Disk:...
**Modems:...
**Other:...
**Not sure if they actually exist...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...

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