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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...
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*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
**5597/5598      (Jedi)    Pentium PCI/ISA Chipset           <04/15/97
***Info:
Nowadays, several PC  form factors exist in the  PC board market, such
as  NLX, LPX,  ATX  and Baby-AT  form  factors. Due  to the  different
placements  of the  form factor,  PC chipsets  should be  prepared for
different board  layouts. As a  result, SiS chips based  on compatible
logic design provide two series of chipsets, SiS 5597 and SiS 5598, to
assist board designers for their board layouts.

SiS 5597’s pin assignment is based  on NLX, and LPX form factor, while
SiS 5598’s is defined on the basis of ATX and Baby-AT form factors. In
the next few chapters, you will read “SiS Chip” which indicates either
SiS 5597 or  5598 chipsets, decided by the  placements of form factors
on PC boards of customers.

The  SiS Chip  with built-in  VGA  controller is  a highly  integrated
single chip solution for Pentium PCI/ISA system. A portion of on-board
DRAM is  shared with the integrated  VGA controller. In  that way, the
system cost  is substantially  reduced and on-board  DRAM can  be used
flexibly.

The  SiS Chip  consists of  Host-to-PCI  bridge function,  PCI to  ISA
bridge  function,  PCI IDE  function,  Universal  Serial Bus  host/hub
function, Integrated RTC, Integrated Keyboard Controller and Graphics/
Video accelerate function.

SiS Chip  supports Enhanced  Power Management, including  legacy Power
Management  Unit  and   Advanced  Configuration  and  Power  Interface
(ACPI).  It also  supports ATA  Synchronous DMA  transfer  protocol to
improve  the IDE performance  and Common  Architecture for  moving ISA
function to PCI to improve system performance.

***Configurations:...
***Features:...
**530/5595       (Sinbad) Host, PCI, 3D Graphics & Mem. Ctrl.<11/10/98...
**540            (Spartan) Super7 2D/3D Ultra-AGP Single C.S.<11/30/99...
**55x            SoC (System-on-chip)                        <03/14/02...
**
**Support chips:
**85C206     Integrated Peripheral Controller [no datasheet]         ?...
**5595       Pentium PCI System I/O                          <12/24/97...
**950        LPC I/O                                         <07/16/99...
**Other:...
**PII/III/Pro...
**Athlon etc...
*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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