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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...
**800 series...
*Headland/G2...
**HT44          Secondary Cache                                c:Jun92
***Info:...
***Versions:
HT44

***Features:
General Features
o   Support for 4868X/DX/DX2 CPUs
o   System implementation with Headland’s HTK340 chip set and future 
    486 chip sets
o   16, 20, 25 and 33 MHz CPU speeds

Memory Configurations
o   32KB, 64KB, 128KB, 256KB, 512KB & 1MB cache sizes
o   25ns SRAMs required at 33 MHz
o   Asynchronous and synchronous SRAMs are supported
o   Programmable write-protected and non-cacheable regions are 
    supported through the chip set

Architecture
o   Look-Aside
o   Write through
o   Direct mapped
o   Integrated tag comparator
o   Zero wait state cache hits
o   Simultaneous 486 and secondary cache update on read miss
o   486 line burst cycle support
Package & Die
o   84-pin PLCC
o   LSI Logic’s 0.7 micron HCMOS process

**Other:...
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**VL82C108 TOPCAT Combination I/O chip                               ?
***Info:...
***Versions:...
***Features:...
**VL82C110 Combination I/O chip                                      ?...
**VL82C113 SCAMP  Combination I/O chip                               ?...
**VL82C114 Combination I/O chip                                      ?...
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**Not sure if they actually exist...
*Western Digital...
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