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**440 series:
***440FX (Natoma)       05/06/96...
***440LX (Balboa)       08/27/97...
***440BX (Seattle)      c:Apr'98...
***440DX (?)            c:?...
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***440GX (Marlinespike) 06/29/98...
***440ZX & 440ZX-66 (?) 01/04/99...
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**SL82C550   'Rossini' Pentium          [no datasheet]            c:95
***Notes:...
***Configurations:...
**
**Support Chips:
**SL82C365    Cache Controller (for 386DX/SX)                     c:91...
**SL82C465    Cache Controller (for 486/386DX/SX)                 c:91...
*TI (Texas Instruments)...
**TACT83000   AT 'Tiger' Chip Set (386)                            c89
***Info:
The Texas Instruments TACT83000 AT Chip Set is designed for cached and
noncached 386-based  PC-AT compatible systems running at  speeds up to
33 MHz.  Manufactured with high-speed  1-um CMOS EPIC  technology, the
chip set is functionally partitioned into three devices: the TACT83443
AT Bus Interface Unit (ATU),  the TACT83442 Memory Control Unit (MCU),
and the  TACT83441 Data  Path Unit  (DPU).  The ATU  is packaged  in a
208-lead  plastic quad  flatpack  (QFP),  while the  MCU  and DPU  are
packaged in 100-lead plastic QFPs

These three chips, along with four other logic chips, comprise all the
logic  necessary for  a  fully compatible  16-bit 3868X-based  system.
Since one DPU provides a 16-bit data path, a 32-bit 386DX-based system
requires an additional DPU.

With software-controlled configuration registers  on board the ATU and
MCU,  the  chip set  supports  a wide  variety  of  PC system  config-
urations.  For complete programming  details, see the TACT8300 AT Chip
Set User’s Guide, literature number SRZU001.

***Configurations:...
***Features:...
**TACT84500   AT Chip Set (486, EISA) [no datasheet, some info]    c91...
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