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**82C110   IBM PS/2 Model 30/Super XT                                ?
***Notes:...
***Info:
The 82C110 is a single chip implementation of most of the system logic
necessary to implement a super XT compatible system with PS/2 Model 30
functionality using either an  8086 or 8088 microprocessor. The 82C110
can  be used  with either  8  or 16-bit  microprocessors.  The  82C110
includes features  which will enable  the PC manufacturer to  design a
super PS/2 Model 30/XT  compatible system with the highest performance
at  10  MHz  zero  wait   state  system  with  an  8086,  the  highest
functionality  with  dual  clock  and  2.5 MB  DRAM  {with  integrated
Extended Memory  System control  logic}, the highest  integration with
the lowest component count SMT design.

The 82C110 can be combined with-CHIPs’ 82C601 Multifunction Controller
and 82C451 VGA Graphics Controller to provide a high performance, high
integration PS/2 Model 30 type system.

The 82C110 supports most of the peripheral functions on the PS/2 Model
30 planar board; 8284 compatible  clock generator with the option of 2
independent  oscillators, 8288 compatible  bus controller,  8237 comp-
atible  DMA  controller, 8259  compatible  interrupt controller,  8254
compatible  timer/counter,  8255 compatible  peripheral  I/O port.  XT
Keyboard interface, Parity Generation and Checking for DRAM memory and
memory controller for DRAM memory sub-system.

The  82C110 enables  the  user to  add  PS/2 Model  30 superset  func-
tionality on the planar board: dual clock, with synchronized switching
between  the two,  clocks.  built-in  Lotus-Intel-Microsoft  (LIM) EMS
support for up to 2.5 Megabytes of DRAM.

The  82C110 supports a  very flexible  memory architecture.   The DRAM
controller  supports 64K,  256K  and  1M DRAMs.   These  DRAMs gen  be
organized in  four banks of up  to a maximum  of 2.5 MB on  the planar
board. The  2.5 MB memory can  be implemented with  2 banks of 7M  X 1
DRAMs, partitioned locally as 540KB of real memory and 1,875 MB of EMS
memory. The 82C110 is packaged in a 100-pin plastic flatpack.

***Configurations:...
***Features:...
**82C235   Single Chip AT (SCAT)                                   c89...
**82C836   Single Chip 386sx (SCATsx)                              <91...
**F8680/A  PC/CHIP Single-Chip PC                                  c93...
**
**Support Chips:
**64200    (Wingine) High Performance 'Windows Engine'         c:Oct91...
**82C206   Integrated Peripheral Controller                        c86...
**82C601/A Single Chip Peripheral Controller                 <08/30/90...
**82C607   Multifunction Controller                             <Jun88...
**82C710   Universal Peripheral Controller                     c:Aug90...
**82C711   Universal Peripheral Controller II                  c:Jan91...
**82C712   Universal Peripheral Controller II                  c:Jan91...
**82C721   Universal Peripheral Controller III                 c:May93...
**82C735   I/O Peripheral Controller With Printgine            c:Jul93...
**82C835   Single CHIP 386sx AT Cache Controller               c:Apr91...
**F87000   Multi-Mode Peripheral Chip                         11/23/93...
**Other:...
**Disk:...
**Video:...
*Contaq  . . . . . [no datasheets, some info]...
*Efar Microsystems [no datasheets, some info]...
*ETEQ...
*Faraday...
*Forex . . . . . . [List only, no datasheets found]...
*Intel...
**82495XP/490XP Cache Controller / Cache RAM (for i860)       06/05/91
***Notes:...
***Info:...
***Features:...
**82496/491     Cache Controller / Cache RAM (for P5 Pentium) 03/22/93...
**82497/492   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94...
**82498/493   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94...
**
**Later chipsets (basic spec):
**440 series:...
**450NX  (?)            06/29/98:
Chips:
[82454NX] (PXB) [82453NX] (MUX) 
[82452NX] (RCG) [82451NX] (MIOC) 
[82371EB] (PIIX4E),                            
CPUs:          Single/Dual/Quad P-II Xeon/P-III Xeon
DRAM Types:    FPM EDO 2-way Interleave 4-way Interleave
Mem Rows:      8
DRAM Density:  16Mbit 64Mbit
Max Mem:       8GB
ECC/Parity:    Both
AGP speed:     N/A
Bus Speed:     100
PCI Clock/Bus: 1/3


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