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**Intro:
The information contained within this file should not be considered
100% correct. Where possible information has been taken from
datasheets, however even this info may be incorrect. The datasheets
state what the chip should do, not what they actually do. This is,
compounded further by different revisions of chips.
This document will never be complete, and I have no intention of
finding every datasheet for every chip set. Some of the chip sets
listed are from later systems in the PIII/P4/Athlon era. There are
many websites with information on these chip sets and these entries
will likely not be expanded upon. The focus of this document is early
PC/XT to Pentium chip sets. There are few sites that clearly illu-
strate this information, and how they relate to each other.
I aim to prioritize cataloging significant, rare or otherwise
interesting chip sets.
BTW the reason I wrote all of this down, is so that I could FORGET it.
Basically I needed to free up some RAM. I've a head full of arcane
snippets of information on this subject. I don't want to end up a
crazy old man ranting random disjointed information ("The C&T CS8220
came before the CS8221 you KNOW!") to disinterested passersby, unable
to see how senile I've become. A side benefit, this might be useful to
someone else:-)
**Quote style:...
**Cant find a chip?...
**Why this document is not GPL or a wiki...
**Definition of a chip set:...
**'chip set', 'chip-set' or 'chipset'?...
**What's not included:...
**Who made the first chip set?...
**Spelling errors/mistyped words...
**Info needed on:...
**A note on VESA support of 486 chipsets....
**Datasheets:...
*_IBM...
*ACC Micro...
*ALD...
*ALi...
*AMD . . . . . . . [no datasheets, some info]...
*Chips & Technologies...
*Contaq . . . . . [no datasheets, some info]...
*Efar Microsystems [no datasheets, some info]...
*ETEQ...
*Faraday...
*Forex . . . . . . [List only, no datasheets found]...
*Intel...
**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)...
*Logicstar...
*Motorola...
*OPTi...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
**5597/5598 (Jedi) Pentium PCI/ISA Chipset <04/15/97
***Info:...
***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
***Info:
The single chipset, SiS540, provides a high performance/low cost
Desktop solution for the Super Socket 7 series CPUs based system by
integrating a high performance North Bridge, advanced hardware 2D/3D
GUI engine and Super-South bridge. In addition, SiS540 provides
system-on-chip solution that complies with Easy PC Initiative which
supports Instantly Available/OnNow PC technology, USB, Legacy Removal
and Slotless Design and FlexATX form factor.
By integrating the Ultra-AGP technology and advanced 128-bit graphic
display interface, SiS540 delivers high performance and up to 2 GB/s
memory bandwidth. Furthermore, SiS540 provides powerful slice layer
decoding DVD accelerator to improve the DVD playback performance. In
addition to providing the standard interface for CRT monitors, SiS540
also provides the Digital Flat Panel Port (DFP) for a standard
interface between a personal computer and a digital flat panel
monitor. To extend functionality and flexibility, SiS also provides
the "Video Bridge" (SiS301) to support the NTSC/PAL Video Output,
Digital LCD Monitor and Secondary CRT Monitor, which reduces the
external Panel Link transmitter and TV-Out encoder for cost effected
solution. SiS540 also adopts Share System Memory Architecture which
can flexibly utilize the frame buffer size up to 64MB.
The "Super-South Bridge" in SiS540 integrates all peripheral con-
trollers/accelerators/interfaces. SiS540 provides a total commun-
ication solution including 10/100Mb Fast Ethernet for Office
requirement. SiS540 offers AC’97 compliant interface that comprises
digital audio engine with 3D-hardware accelerator, on-chip sample rate
converter, and professional wavetable along with separate modem DMA
controller. SiS540 also provides interface to Low Pin Count (LPC)
operating at 33 MHz clock which is the same as PCI clock on the host,
and dual USB host controller with four USB ports that deliver better
connectivity and 2 x 12Mb bandwidth.
The built-in fast PCI IDE controller supports the ATA PIO/DMA, and the
Ultra DMA33/66 function that supports the data transfer rate up to 66
MB/s. It provides a separate data path for two IDE channels that can
eminently improve the performance under the multi-tasking environment.
***Configurations...
***Features:...
**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...
*Winbond...
*ZyMOS...
*General Sources:...
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