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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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**SL82C365    Cache Controller (for 386DX/SX)                     c:91
***Info:
The SL82C365 supports direct-mapped cache system with data size ranged
from  16KB to  1MB  and line  size  ranged from  1  to 4  doublewords.
Without any  external logic, SL82C365 supports  1 to 4  banks of cache
SRAMs  independent of  the  line  size.  An  8-bit  tag comparator  is
integrated into the  chip which not only saves on  the system cost but
also improves  the overall performance.   25ns tag SRAM and  35ns data
SRAM   are  adequate   for   zero  wait   state  non-pipelined   33Mhz
operation. Assuming  8Kx8, 16Kx4, 32Kx8  and 64Kx4 SRAMs are  used for
tag SRAM, the selectable organization  is indicated in Table 1-1. [see
datasheet]  More options  are  available for  data RAM  configurations
because of the flexibility in  selecting the number of banks. Refer to
section 1.13 [see datasheet] for detailed design examples.

***Versions:...
***Features:...
**SL82C465    Cache Controller (for 486/386DX/SX)                 c:91...
*TI (Texas Instruments)...
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*Winbond...
**W83977TF        WINBOND I/O (Multi I/O)                          c97
***Info:...
***Versions:...
***Features:...
**W83977EF        WINBOND I/O (Multi I/O)                          <98...
**W83977ATF       WINBOND I/O (Multi I/O)                          <98...
**
**Disk Controller:
**W83759/A/F/AF   Advanced VL-IDE Disk Controller                  <96...
**W83769          Local Bus IDE Solution                           <94...
**
**UARTS:
**W86C250A  UART (equivalent of INS8C250A) [no datasheet]
**W86C450/P Universal Asynchronous Receiver/Transmitter         <Jul89...
**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
***Info:...
***Versions:...
***Features:...
**
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*ZyMOS...
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