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**440 series:
***440FX (Natoma)       05/06/96...
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**UM82C088     PC/XT Integration Chip                              <91
***Info:...
***Configurations:...
***Features:
o   Fully IBM-PC/XT compatible
o   82C84 Clock generator with 2 clock-inputs to generate the CPU 
    clock. These are 14.318 MHz and 30 MHz which will support 4.77 MHz
    and 10 MHz CPU clocks with 1/3 duty cycle.
o   82C88 Bus Controller
o   82C37 4 channel DMA controller, channel is used for DRAM refresh
o   82C59 8 channel interrupt controller, level is used for system 
    time base, and level 1 for keyboard input 
o   82C53 3 channel timer, channel is used for system time base, 
    channel 1 for DRAM refresh, and channel 2 for speaker audio
o   82C55 Peripheral l/O r used for keyboard interface and system 
    configuration switch (same as the PC/XT)
o   74322 Keyboard interface, supports PC/XT type keyboard
o   74280 Parity check and generator
o   74670 4 bit page register for DMA
o   Wait state logic
o   NMI control logic
o   ROM decoder for one 2764 and one 27256
o   RAM decoder for 4164 or 41256 DRAM
o   H/W and S/W CPU speed change and indicator
o   Built-in delay line for RAS, CAS
o   Low power consumption: less than 300 mW at 10 MHz CPU speed
o   Small PCB size: 100 pin plastic Flat package

**UM82C230     286AT MORTAR Chip Set                               <91
***Info:...
***Configurations:...
***Features:...
**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:
The UM82C206  Integrated Peripheral  controller includes two  8237 DMA
controllers, two  8259 Interrupt controllers, one  8254 Timer/Counter,
one MC146818 compatible  Real Time Clock, an additional  64 bytes CMOS
RAM,  one  74LS612   memory  mapper,  and  some   top  level  decoder/
configuration logic circuits.  It is a single chip  integration of all
main peripheral  parts attached  to the X  bus of  PC/AT architecture.
While  providing  full  compatibility  with  PC/AT  architecture,  the
UM82C206  also  offers  some  enhanced  features  and  improved  speed
performance. These  include an additional  64 bytes of  user definable
CMOS RAM in real time clock  and drastically reduced recovery time for
the 8237, 8259  and 8254.  Programmable wait state  option is provided
for the DME  cycles and CPU I/O cycles accessing  this chip. This chip
also  provides programmable  8  or  4 MHz  DMA  clock selection.   The
UM82C206 is implemented using advanced 1.5u CMOS design technology and
is packaged in an 84-pin PLCC.

***Versions:...
***Features:...
**UM82c45x     Serial/Parallel chips                                 ?...
**Other chips:...
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