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**Who made the first chip set?
By the criteria of (2.) in 'Definition of a chip set' many sources
state this to be the Chips and Technologies NEAT chip set. I don't
know why this is stated as it is most definitely incorrect. The CS8221
NEW Enhanced AT (NEAT) chip set consisting of the chips;
82C211/82C212/82C215/82C206 was as far as I can establish, first
released sometime in 1986.
C&T itself have an earlier chip set called the CS8220 PC/AT compatible
Chip Set, and consists of the following chips; 82C201/82C202/
82A203/82A204/82A205. It was first available in OCT-85. (see:C&T>
CS8220>Notes for further info.)
That is, AFAIK, the first motherboard chip set from C&T and AFAIK the
worlds first chip set that meets the criteria of (2.). However C&T did
already have on the market their popular EGA chip set, but that isn't
a motherboard chip set.
By the criteria of (1.), IBM, or Intel, see IBM>PC/XT chip set.
Another pre-'86 chipset is the Faraday FE2010. The datasheet includes
a schematic on the very last page dated 11/22/85. This only indicates
the chip set was on paper at that date. An acutal release date has not
been found.
**Spelling errors/mistyped words...
**Info needed on:...
**A note on VESA support of 486 chipsets.
Many chipsets state that they support VESA local bus. In some cases
these actually implement VLB somewhat like PCI, where it is entirly
decoupled from the CPU bus. Chipsets that do not state they work with
VLB, may be found on motherboards that contain VLB slots. VLB
is *basically* The 486 CPU pinout in a slot form. Unless these
m/boards contain some additional chips, there VLB implementation is
directly coupled to the CPU.
**Datasheets:...
*_IBM...
*ACC Micro...
*ALD...
*ALi...
*AMD . . . . . . . [no datasheets, some info]...
*Chips & Technologies...
*Contaq . . . . . [no datasheets, some info]...
**82C591/2 3/486 <Mar92
The BIOS companion. (Croucher, Phil) available here:
https://archive.org/details/pc_engineers_vol1_BIOS
Lists this as:
82C591/82C592 WriteBack
Also listed in:
ftp://ami.com/archive/Other_Manuals/!index.txt
"
CTQ3591.Z12 55546 03-17-92 386 Contaq 82c591 chipset
CTQ4591.Z12 57510 03-17-92 486 Contaq 82c591 chipset
CTQ591A.Z11 84994 02-08-93 3/486 Contact 591-A chipset
"
Indicating there is an A variant of the 82C591, the 82C591A.
**82C593 3/486 [no datasheet] <May92...
**82C596/A 3/486 Writeback Cache [no datasheet] <11/11/92...
**?????? 486 EISA chipset [no datasheet] <Feb93...
**82C599 PCI-VLB Bridge [no datasheet, some info] ?...
**82C693 PCI-ISA Bridge [no datasheet] ?...
*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
***Notes:...
***Info:...
***Configurations:...
***Features:...
**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...
**85C501/502/503 Pentium/P54C PCI/ISA Chipset <01/09/95
***Notes:...
***Info:...
***Configurations:...
***Features:...
**5101/5102/5103 Pentium/P54C PCI/ISA Chipset <04/02/95...
**5120 Pentium PCI/ISA Chipset (Mobile) <01/28/97...
**5501/5502/5503 Pentium/P54C PCI/ISA Chipset <04/02/95...
**5511/5512/5513 Pentium PCI/ISA <06/14/95...
**5571 (Trinity) Pentium PCI/ISA Chipset (75MHz) <12/09/96...
**5581/5582 (Jessie) Pentium PCI/ISA Chipset (75MHz) <04/15/97...
**5591/5592/5595 (David) Pentium PCI A.G.P. Chipset <01/09/98...
**5596/5513 (Genesis) Pentium PCI Chipset <03/26/96...
**5597/5598 (Jedi) Pentium PCI/ISA Chipset <04/15/97...
**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
***Notes (Unverified Information!):...
***5600 c:Nov98...
***600 ?...
***620 c:Apr99...
***621 ?...
***630/630E/S c:Feb00...
***630ST/ET ?...
***633/633T c:Mar01...
***635/635T c:Mar01...
***640T c:Mar01 ...
**Athlon etc...
*Symphony...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...
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