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**DISCLAIMER!

  THE DOCUMENT IS PROVIDED "AS IS", WITH ABSOLUTELY NO WARRANTY OF ANY
  KIND,  EXPRESS  OR  IMPLIED,  INCLUDING   BUT  NOT  LIMITED  TO  THE
  WARRANTIES OF MERCHANTABILITY, FITNESS  FOR A PARTICULAR PURPOSE AND
  NONINFRINGEMENT. IN NO EVENT SHALL  THE AUTHORS OR COPYRIGHT HOLDERS
  BE LIABLE FOR  ANY CLAIM, DAMAGES OR OTHER LIABILITY,  WHETHER IN AN
  ACTION OF  CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF  OR IN
  CONNECTION WITH  THE DOCUMENT OR  THE USE  OR OTHER DEALINGS  IN THE
  DOCUMENT.

***More Disclaimers:...
*Search:...
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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...
***440GX (Marlinespike) 06/29/98...
***440ZX & 440ZX-66 (?) 01/04/99
Chips:         
[82443ZX] (PAC) [82371EB] (PIIX4E)
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:     66 100 133*1
PCI Clock/Bus: 1/2 1/3 1/4*1 PCI 2.1

440ZX-66 is the same but only has  bus speed of 66 MHz and PCI divisor
or 1/2.

>*1 Exists  but unofficially. There is  no 1/2 divider  for AGP, 
    making AGP unstable in a 133MHz bus system. In this config. the 
    system is overclocked.



***440ZX-M (?)          05/17/99...
***440MX (Banister)     05/17/99...
**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99...
**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
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*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
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*TI (Texas Instruments)...
*UMC...
**UM82C088     PC/XT Integration Chip                              <91
***Info:...
***Configurations:...
***Features:...
**UM82C230     286AT MORTAR Chip Set                               <91...
**UM82C210     386SX/286 AT Chip Set                               <91...
**UM82C3xx     Twinstar & UM82C336F/N & UM82C39x [no datasheet]      ?...
**UM82C380     386 HEAT PC/AT Chip Set                             <91...
**UM82C480     386/486 PC Chip Set                                 c91...
**UM82C493/491 ??????????????? [no datasheet]                        ?...
**UM8498/8496  486 VL Chipset  "Super Energy Star Green"[no dsheet]c94...
**UM8881/8886  HB4 PCI Chipset "Super Energy Star Green"[no dsheet]c94...
**UM8890       Pentium chipset [no datasheet]                        ?...
**
**Support Chips:
**UM82152      Cache Controller (AUStek A38152 clone)              <91...
**UM82C852     Multi I/O For XT                                    <91...
**UM82C206     Integrated Peripheral Controller                    <91
***Info:...
***Versions:...
***Features:
o   Fully compatible with PC/AT architecture
o   Fully compatible with 8237 DMA controller, 8259 Interrupt 
    controller, 8254 Timer/Counter, and 146818 Real Time Clock
o   Provides 7 DMA channels, 13 Interrupt request channels, 2 Timer/
    Counter channels, and a Real Time Clock
o   Built in 74LS612 memory mapper for DMA page address
o   Provides 114 bytes of CMOS RAM memory
o   8 MHz DMA clock with programmable internal divider for 4 MHz 
    operation
o   16M bytes DMA address space
o   Programmable wait states for the DMA cycle
o   Reduced recovery time (120 ns) between I/O operations 



**UM82c45x     Serial/Parallel chips                                 ?...
**Other chips:...
*Unresearched:...
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*General Sources:...