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**82340SX     Chip Set (VLSI) (82343/82344)                   01/25/89
***Notes:
date source: TimelineDateSort7_05.pdf 


This is the VLSI Topcat Chipset

InfoWorld 8 Jan 1990 p3 - Intel to Market VLSI Topcat Chips 
"...With  the 82340SX  chip  set, 16-bit  386SX-based  systems can  be
designed with tow logical components in addition to the microprocessor
plus  memory.  the  three-component  82340DX chip  set  for the  Intel
386DX-based systems works  with CPUs operating from 16  to 33 MHz. The
total chip  count for a  complete 386-based AT compatible  is possible
utilizing  fewer than  six  components, Intel  said.   Samples of  the
82340SX  and  82340DX will  be  available  in  March, with  production
quantities expected in the second quarter."

***Info:...
***Configurations:...
***Features:...
**82350       EISA Chip Set                                   07/10/89...
**82350DT     EISA Chip Set                                   04/22/91...
**82420TX/ZX  PCIset (for 486) TX (Saturn), ZX (Saturn II)     c:Nov92...
**82420EX     PCIset (for 486) EX (Aries)   (82425EX/82426EX)   <Dec94...
**82430LX     PCIset (Pentium) LX (Mercury) (82433LX/82434LX) 03/22/93...
**82430NX     PCIset (Pentium) NX (Neptune) (82433NX/82434NX)    Mar94...
**82430FX     PCIset (Pentium) FX (Triton I) (82437FX/82438FX)01/31/95...
**82430MX     PCIset (Pentium) MX (Mobile Triton)(82437/438MX)11/01/95...
**82430HX     PCIset (Pentium) HX (Triton II) (82439HX)       02/12/96...
**82430VX     PCIset (Pentium) VX (Triton II) (82437VX/82438) 02/12/96...
**82430TX     PCIset (Pentium) TX (Triton II) (82439TX)       02/17/97...
**82450KX/GX  PCIset (Pentium Pro) KX/GX (Mars/Orion)         11/01/95...
**
**Support Chips:
**82091AA     Advanced Interface Peripheral (AIP)                  c93...
**8289        Bus Arbiter (808x)                                   c79...
**82289       Bus Arbiter for iAPX 286 Processor Family            c83...
**82258       Advanced Direct Memory Access Coprocessor(ADMA) 01/01/84...
**82335       High-Integration Interface Device For 386SX      c:Nov88...
**82360SL     I/O Subsystem                                   10/05/90...
**82370       Integrated System Peripheral (for 82376)         c:Oct88...
**82371FB/SB  PCI ISA IDE Xcelerator 82371FB/82371SB (PIIX/3) 01/31/95...
**82371MX     Mobile PCI I/O IDE Xcelerator (MPIIX)           11/01/95...
**82371AB     PCI-TO-ISA / IDE Xcelerator 82371AB (PIIX4)     02/17/97...
**82374/82375 PCI-EISA Bridge (82374EB/82375EB, 374SB/375SB)   c:Mar93...
**82378       System I/O (SIO) (82378IB and 82378ZB)           c:Mar93...
**82379AB     System I/O-APIC (SIO.A)                           <Dec94...
**82380       32-bit DMA Controller w/ Integrated Peripherals 02/01/87...
**82380FB/AB  PCIset: 82380FB Mobile PCI-to-PCI Bridge(MPCI2) 02/17/97...
**82384       Clock Generator and Reset Interface                  c86...
**82385       32-bit Cache Controller for 80386               09/29/87...
**82385SX     32-bit Cache Controller for 80386SX             01/25/89...
**82395DX     High Performance Smart Cache                    06/18/90...
**82395SX     Smart Cache                                     12/17/90...
**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
Chips:         
Memory Access Controller (MAC)  
Data Interface Buffer (DIB)
CPUs:          8x P-III Xeon Oct
DRAM Types:    SDRAM PC100 2-way Interleave dual channel
Max Mem:       32GB
ECC/Parity:    ECC
AGP speed:     N/A
Bus Speed:     100
PCI Clock/Bus: 1/3 PCI-66/64



**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
*Logicstar...
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*OPTi...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
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*TI (Texas Instruments)...
*UMC...
**Other chips:
***Video:
UM487            HCGA Controller
UM587            VGA Controller
UM6845/A/B       CRT Controller
UM6845R/RA/RB    CRT Controller
UM6845E/EA/EB    CRT Controller
UM70C171/-50/-65 Color Palette with Triple 6-Bit DAC
UM8321		 CRT Controller
UM8312		 CRT Controller
UM9007 		 CRT Controller

No datasheet for these, not sure if some exist:
UM84C408    VGA 1MB
UM85C408AF  VGA 1MB?
UM85C418    ?
UM86C408    VGA? 1MB
UM86C418    VGA? 1MB, + IDE controller
UM8710      VGA, PCI, 32bit RAM
UM9502      25-80MHz clock chip
UM70C171    6bit DAC
UM70C178    15/16bit DAC, similar to Sierra Mark3
UM70C188    24bit DAC

***Disk:...
***Peripheral:...
***Other:...
*Unresearched:...
*VIA...
*VLSI...
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*Winbond...
*ZyMOS...
*General Sources:...