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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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**GCK113        80386 AT Compatible Chip Set                   c:oct89
***Info:
The  GCK131 Chip  Set, of  three highly  integrated  HCMOS microchips,
supports an  80386 microprocessor-based computer  system in AT-compat-
ible mode at speeds up to 25 MHz.

This high  performance three chip  set allows the implementation  of a
powerful  computer  system  with   just  these  components:  an  80386
Microprocessor, a keyboard controller,  a real time clock, six bipolar
devices and up to 24 Mb of memory.

System configuration data is stored in an external EEPROM to eliminate
the need  for DIP switches and  jumpers. Register data  for memory and
I/O  wait states,  command  delays,  and recovery  times  can be  con-
veniently programmed for the system user through software.

The  chip set,  using interleaving  and page  mode  access techniques,
supports six  banks of 32-bit RAM.  System BIOS and video  BIOS can be
'shadowed' to RAM  for faster operation. And ROM  accesses can be con-
figured to as low as 1 wait state for optimum performance.

GC131 Peripheral Controller
This single  chip effectively replaces two  8259, two 8237,  8254 , an
LS612, and  other devices. The  chip interfaces with an  8042 keyboard
controller, real time clock, parallel ports, serial ports, speaker and
the EEPROM used for power up configuration.

GC132 CPU/Memory Controller
This powerful chip decodes the processor address and control lines and
generates the RAS  , CAS, and chip select  signals required for memory
management. Both  static and dynamic  memories can be used.  The GC132
Controller features  both paged and interleaved  memory access techni-
ques that improve overall system throughput.

GC133 Bus Bridge Interface
[no text]

***Configurations:...
***Features:...
**GCK181        Universal PS/2 Chip Set                        c:Mar89...
**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)...
*Logicstar...
*Motorola...
*OPTi...
**82C683         386/486AWB EISA [no datasheet]                      ?
***Notes:...
**82C693/6/7     Pentium uP Write Back Cache EISA                 c:93...
**82C700         FireStar                                         c:97...
**82C701         FireStar Plus                                    c:97...
**82C750         Vendetta      [no datasheet]                        ?...
**82c801         SCWB2 DX Single Chip Solution                    c:92...
**82C802         SCWB2 PC/AT Single Chip [no datasheet]              ?...
**82C802G/GP     System/Power Management Controller (cached)      c:93...
**82C895         System/Power Management Controller (cached)   c:Sep94...
**82C898         System/Power Management Controller (non-cache)c:Nov94...
**
**Support Chips:
**82C601/2       Buffer Devices                                 <Nov94...
**82C822         PCIB (VLB-to-PCI bridge)                         c:94...
**Other:...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
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*Unresearched:...
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