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**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


**?????  (Profusion)    c:99...
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**UM82152      Cache Controller (AUStek A38152 clone)              <91
***Info:...
***Versions:...
***Features:...
**UM82C852     Multi I/O For XT                                    <91...
**UM82C206     Integrated Peripheral Controller                    <91...
**UM82c45x     Serial/Parallel chips                                 ?...
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**W86C450/P Universal Asynchronous Receiver/Transmitter         <Jul89
***Info:...
***Versions:...
***Features:
o   Easily interfaces to most popular microprocessors.
o   Adds or deletes standard asynchronous communication bit (start, 
    stop, and parity) to or from serial data stream.
o   Holding and shift registers eliminate the need for precise 
    synchronization between the CPU and the serial data.
o   Independently controlled transmit, receive, line status, and data 
    set interrupts.
o   Programmable baud generator allow division of any input clock by 1 
    to (2^16 - 1) and generates the internal 16x clock.
o   Independent receiver clock input.
o   MODEM control functions (CTS, RTS. DSR, DTR, RI, and DCD).
o   Fully programmable serial-interface characteristics:
    - 5, 6, 7, or 8-bit characters
    - Even, odd, or no-parity bit generation and detection
    - l, 1.5 or 2-stop bit generation.
    - Baud generation (DC to 56K baud). 
o   False start bit detection.
o   Complete status reporting capabilities.
o   TRl-STATE TTL drive capabilities for bidirectional data bus and 
    control bus.
o   Line break generation and detection.
o   Internal diagnostic capabilities:
    - Loopback controls for communications link fault isolation.
    - Break, parity, overrun, framing error simulation.
o   Fully prioritized interrupt system controls.


**W86C451   I/O controller for IBM PC/AT/XT                     <Jul89...
**W86C452   I/O controller for IBM PC/AT                         Jul89...
**W86C456   I/O controller [no datasheet]                            ?
**W860551/P UART with FIFO and Printer Port Controller             <94...
**
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