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**82496/491     Cache Controller / Cache RAM (for P5 Pentium) 03/22/93
***Notes:...
***Info:...
***Configurations:...
***Features:...
**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...
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*TI (Texas Instruments)...
*UMC...
**UM82C210     386SX/286 AT Chip Set                               <91
***Info:...
***Configurations:...
***Features:...
**UM82C3xx     Twinstar & UM82C336F/N & UM82C39x [no datasheet]      ?...
**UM82C380     386 HEAT PC/AT Chip Set                             <91...
**UM82C480     386/486 PC Chip Set                                 c91...
**UM82C493/491 ??????????????? [no datasheet]                        ?...
**UM8498/8496  486 VL Chipset  "Super Energy Star Green"[no dsheet]c94...
**UM8881/8886  HB4 PCI Chipset "Super Energy Star Green"[no dsheet]c94...
**UM8890       Pentium chipset [no datasheet]                        ?...
**
**Support Chips:
**UM82152      Cache Controller (AUStek A38152 clone)              <91...
**UM82C852     Multi I/O For XT                                    <91...
**UM82C206     Integrated Peripheral Controller                    <91...
**UM82c45x     Serial/Parallel chips                                 ?...
**Other chips:...
*Unresearched:...
*VIA...
*VLSI...
**VL82C3216        Bus Expanding Controller Cache with write buffer  ?
***Info:
The VL82C3216 Bus Expanding  Controller (BANC) Cache with Write Buffer
is  specifically  designed  to  provide a  high-performance,  low-cost
solution for  interfacing 386SX  PC/AT-compatible chip sets  to 386DX,
Am386DXL,  AM386DXLV,  486DX,  486SX,  or compatible  processors.  The
designs  may   be  entirely  new  systems  or   upgrades  to  existing
ones. Power management features also make this device ideal for laptop
computers  or  other battery  operated  systems.   The performance  is
achieved  through the  use of  a write  buffer structure,  an external
second level cache, prediction algorithms, and maximizing the internal
first level cache of the i486, if used.

The  high  level of  integration  is  entered  on the  VL82C3216.   It
controls all  functions between the  host processor bus and  the 386SX
local  bus.   in  addition  the  the  write  buffer  and  second-  and
first-level  cache controls,  the  VL82C3216  contains prediction  and
burst mode algorithms that take full advantage of the page mode design
of existing 386SX  system architecture.  Through the  use of pipelined
page mode accesses to system memory,  the VL82C3216 bursts data to and
from memory at rates  of up to 25 MB per  second. This provides 32-bit
memory performance at 16-bit memory costs.
 
***Versions:...
***Features:...
**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:
VL1772-02 5-1/4-inch Floppy Disk Controller/Formatter
VL2793  Single Sided Floppy Disk Formatter/Controller
VL2797  Double Sided Floppy Disk Formatter/Controller
VL53C80 Async SCSI Interface (CMOS) 1.5M bps 
VL6765  Double-Density 4 Floppy Disk Controller.  
VL83C11 SCSI Buffer (CMOS)
VY06612A2 Drive controller

**Modems:...
**Other:...
**Not sure if they actually exist...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...