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**82495DX/490DX DX CPU-Cache Chip Set                           <Sep91
***Notes:...
***Info:...
***Configurations:...
***Features:...
**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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*Headland/G2...
**GCK181        Universal PS/2 Chip Set                        c:Mar89
***Info:...
***Configurations:...
***Features:...
**HT11          Single 286 AT Chip [no datasheet]               <Aug90...
**HT12/+/A      Single 286 AT Chip with EMS support            c:Aug90...
**HT18          80386SX Single Chip                            c:Sep91...
**HT21          386SX/286 Single Chip (20 MHz)                 c:Aug91...
**HT22          386SX/286 Single Chip (25 MHz)                 c:Sep91...
**HT25          3-volt Core Logic for 386SX                    c:Dec92...
**HT35          Single-Chip Peripheral Controller [partial info]     ?...
**HTK320        386DX Chip Set                                 c:Sep91...
**HTK340        "Shasta" 486 Chip Set                          c:Jun92...
**Support Chips:
**HT44          Secondary Cache                                c:Jun92...
**Other:...
*HMC (Hulon Microelectronics)...
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*TI (Texas Instruments)...
**TACT82S411  Snake+ Single-Chip AT Controller [no datasheet]      c91
***Notes:
from: 
http://www.cbronline.com/news/ti_announces_the_tact82s411_chip_implementation/

"Texas Instruments Inc has announced the TACT82S411, a new single chip
implementation of all the support  circuitry surrounding the CPU in an
AT-alike, operating at  up to 20MHz for 80286  and 80386SX laptops and
notebooks:  the  new  chip   will  integrate  system  logic  and  most
peripheral  functions,  including   interrupt  controller,  timer  and
real-time clock, so that only  seven logic devices, as well as memory,
processor  and math  co-processor are  needed  on a  80286 or  80386SX
motherboard;  the  chip  features  128-byte  CMOS  configuration  RAM,
two-way and  four-way page interleave  mode with 64Kb, 256Kb,  1Mb and
4Mb dynamic  RAM, and support for  up to 32Mb  memory; sampling starts
this month, with volume in the fourth quarter. "

**TACT83000   AT 'Tiger' Chip Set (386)                            c89...
**TACT84500   AT Chip Set (486, EISA) [no datasheet, some info]    c91...
**Other:...
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