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**440 series:
***440FX (Natoma)       05/06/96...
***440LX (Balboa)       08/27/97...
***440BX (Seattle)      c:Apr'98...
***440DX (?)            c:?...
***440EX (?)            c:Apr'98
Chips:         
[82443EX] (PAC) [82371AB/EB] (PIIX4/4E)
CPUs:          Single P-II/Celeron
DRAM Types:    EDO SDRAM
Mem Rows:      4
DRAM Density:  16Mbit 64Mbit
Max Mem:       256MB
ECC/Parity:    No
AGP speed:     1x 2x
Bus Speed:     66
PCI Clock/Bus: 1/2 PCI 2.1

***440GX (Marlinespike) 06/29/98...
***440ZX & 440ZX-66 (?) 01/04/99...
***440ZX-M (?)          05/17/99...
***440MX (Banister)     05/17/99...
**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99...
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*TI (Texas Instruments)...
**TACT83000   AT 'Tiger' Chip Set (386)                            c89
***Info:...
***Configurations:...
***Features:
o   High-Speed 1-um CMOS Technology Supports System Speeds up to 
    33 MHz
o   Fully AT-Compatible 386 Three-Chip SX, Four-Chip DX Solutions
o   Only Four Additional Logic Chips Needed
o   Major Features Programmable Through Software
o   TACT83442 Memory Control Unit (MCU)
    - Cascadable up to Eight Devices
    - Address Range of up to 32M Byte Per Device, 256M Byte Fully 
      Cascaded
    - Supports 256K-, 1M-, and 4M-Bit DRAMs in Normal, Page, Word-
      interleave, and Page Block-interleave Modes
    - Programmable DRAM Timing Parameters
    - Supports up to Two Memory Banks for 32-Bit Systems and Four 
      Banks for 16-Bit Systems
    - Can Directly Drive up to 36 DRAM Devices
    - Shadow RAM Available Between 0C 0000h and 0F FFFFh
    - Contains Global Page Mapping RAM Allowing Remap of 
      - 64K-Byte Memory Blocks Above 1M Byte
      - 16K-Byte Memory Blocks Below 1M Byte
o   TACT83443 AT Bus Interface Unit (ATU)
    - Internal Clock Switching Between Two Independent Frequencies 
      Controlled by Software
    - Asynchronous AT Bus Interface With Write Buffer Option
    - Full AT Direct-Drive Capability
    - Extended Direct Memory Access Mode for 32-Bit Operation
    - Fast CPU Reset and A20 GATE Modification
    - Numeric Processor Interface for 387SX, 387DX, and Weitek 3167
    - Integrates All Essential AT Peripherals
    - Real Time Clock With 128-Byte CMOS RAM
o   TACT83441 Data Path Unit (DPU)
    - 8- and 16-Bit Data Bus Sizing
    - Data Path Cascadable to 32 Bits
    - Write Buffer Capability for AT Bus Access
    - Supports Posted Write Operations From Cache Controller
    - Parity Generation and Checking Logic

**TACT84500   AT Chip Set (486, EISA) [no datasheet, some info]    c91...
**Other:...
*UMC...
*Unresearched:...
*VIA...
*VLSI...
**VL82C107 SCAMP  Combination I/O chip                               ?
***Info:...
***Versions:...
***Features:...
**VL82C108 TOPCAT Combination I/O chip                               ?...
**VL82C110 Combination I/O chip                                      ?...
**VL82C113 SCAMP  Combination I/O chip                               ?...
**VL82C114 Combination I/O chip                                      ?...
**Video: ...
**Disk:...
**Modems:...
**Other:...
**Not sure if they actually exist...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...