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**82395SX     Smart Cache                                     12/17/90
***Notes:...
**82396SX     Smart Cache                                     12/17/90...
**82485       Turbo Cache (and 485Turbocache)                      c90...
**82489DX       Advanced Programmable Interrupt Controller    10/12/92...
**82495DX/490DX DX CPU-Cache Chip Set                           <Sep91...
**82495XP/490XP Cache Controller / Cache RAM (for i860)       06/05/91...
**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)...
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*Motorola...
*OPTi...
**82C898         System/Power Management Controller (non-cache)c:Nov94
***Notes:...
***Info:
Overview
The 82C898 provides a highly integrated solution for fully compatible,
high performance PC/AT platforms. The 82C898 supports 486SX/DX/DX2/DX4
and  P24T  microprocessors  in  the  most  cost  effective  and  power
efficient designs  available today. For  high-end system applications,
this  device offers  optimum  performance for  systems  running up  to
50MHz.  

Based  fundamentally  on  OPTi’s   proven  82C801  and  82C802  design
architectures,  the 82C898 adds  additional memory  configurations and
extensive  power  management  control  for  the  processor  and  other
motherboard components.

The 82C898  supports the latest  in write-back processor  designs from
Intel, AMD, and Cyrix, as well as supporting the AT bus and VESA local
bus  for compatibility  and performance.  It also  includes  an 82C206
Integrated Peripherals Controller (IPC),  all in a single 208-pin PQFP
(Plastic Quad Flat Pack) for low cost.

Power Management
Figure  2-1   [see  datasheet]  exemplifies  the   flexibility  of  an
82C898/82C602-based designs GREEN strategy.  System designs can easily
accommodate both  SLe and non-SLe  CPUs.  If  an Intel non-SLe  CPU is
used, SMI#, SMIAOT#, and FLUSH# are no connects. One design can easily
accommodate  both  types  of   processors  with  minimal  changes  for
upgrades.

***Configurations:...
***Features:...
**
**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...
*Western Digital...
**Other Chips:
SYSTEMS LOGIC/PERIPHERAL DEVICES
WD16C451, WD16C551 - Enhanced Asynchronous Communications Element (ACE) with Parallel Port
WD16C452, WD16C552 - Dual Enhanced Asynchronous Communications Element (ACE)
WD16C550             Enhanced Asynchronous Communications Element (ACE) with FIFOs
WD76C10AlLP/LV       ISA-Based System Controller for 80386SX and 80286 Desktop and Portable Compatibles
WD76C20/LV   Floppy Disk Controller, Real Time Clock, IDE Interface, and Support Logic Device 
WD76C30/LV   Peripheral Controller, Interrupt Multiplexer, and Clock Generator Device
WD7710/LP    ISA-Based System Controller with Cache for 80386SX and 80286 Desktop and Portable Compatibles
WD7910/LP    ISA-Based System Controller with Cache for 80386SX and 80286 Desktop and Portable Compatibles

IMAGING DEVICES
ICS90C61A          Dual Video/Memory Clock Generator     
ICS90C63   	   Dual Video/Memory Clock Generator 
ICS90C64   	   Dual Video/Memory Clock Generator 
WD90C00	   	   VGA Controller (8514/A clone, max 1MB, 1024x768x16, 800x600x256)                     
WD90C01 	   8514/A for laptops
WD90C10 	   VGA, 256KB
WD90C11, WD90C11A  Enhanced VGA Controller (max 512KB, 1024x768x16, 800x600x256)
WD90C20, WD90C20A  VGA Flat Panel Display Controller (800x600x16, 640x460x256, 32 shades gray)
WD90C22            VGA Flat Panel Display Controller (800x600x16, 640x460x256, 64 shades gray)
WD90C24/A/A2       SVGA, max 1MB, 1280x1024x16, 1024x768x16, LCD, VESA-LB, 3.3 or 5V
WD90C26            VGA Flat Panel Display Controller
WD90C30 	   High Performance Video Controller (max 1MB, 1024x768x256, 1024x768x16)
WD90C31 	   Accelerator Video Controller (max 1MB, 1024x768x256, 1280x1024x16)
WD90C33            Same as WD90C31 but with, max 2MB, VESA-LB, 1280x1024x256, 1280x1024x16)
WD90C55            VGA LCD Interface
WD90C56            VLBI (Video Local Bus Interface), for WD90C30/31, VESA not mentioned. 
WD9710 		   Pipelined, 32bit core, 64bit RAM, 24bit RAMDAC, PCI/VLB
WD9712 		   similar to WD9710



STORAGE DEVICES
WD10C01A            Winchester Disk Controller
WD10C27	    	    Data Separator
WD33C92A    	    Enhanced SCSI Bus Interface Controller
WD33C93B            Enhanced SCSI Bus Interface Controller
WD33C95A, WD33C96A  Enhanced Single-ended and Differential SCSI Bus Interface Controller
WD37C65C  	    Floppy Disk Subsystem Controller Device 
WD42C22C 	    Winchester Disk Subsystem Controller Device
WD60C318 	    Optical Disk Drive Encoder/Decoder 
WD60C40A  	    Peripheral Cache Manager Device
WD60C80 	    Error Detection and Correction Chip (EDAC)
WD61C23A 	    High Performance Hard Disk Controller
WD61C40A 	    Peripheral Cache Manager Device
WD7000 		    ESDI Controller (16-bit ISA)
WD7193 		    Fast SCSI-II PCI adapter, 33C296A-ZX chip
WD7197 		    Fast Wide version of WD7193
WD7296A 	    Fast Wide SCSI-II (PCI?), possibly WD34C296 chip




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