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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...
*HMC (Hulon Microelectronics)...
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*OPTi...
**82C650/1/2     Discovery (Pentium Pro) [no datasheet]              ?
***Configurations:...
**82C681/2/6/7   386/486WB EISA                                   c:92...
**82C683         386/486AWB EISA [no datasheet]                      ?...
**82C693/6/7     Pentium uP Write Back Cache EISA                 c:93...
**82C700         FireStar                                         c:97...
**82C701         FireStar Plus                                    c:97...
**82C750         Vendetta      [no datasheet]                        ?...
**82c801         SCWB2 DX Single Chip Solution                    c:92...
**82C802         SCWB2 PC/AT Single Chip [no datasheet]              ?...
**82C802G/GP     System/Power Management Controller (cached)      c:93...
**82C895         System/Power Management Controller (cached)   c:Sep94...
**82C898         System/Power Management Controller (non-cache)c:Nov94...
**
**Support Chips:
**82C601/2       Buffer Devices                                 <Nov94...
**82C822         PCIB (VLB-to-PCI bridge)                         c:94...
**Other:...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
*Symphony...
*TI (Texas Instruments)...
*UMC...
**UM8498/8496  486 VL Chipset  "Super Energy Star Green"[no dsheet]c94
***Notes:...
***Configurations:...
**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:...
***Versions:...
***Features:
o   Fully compatible with PC/AT architecture
o   Fully compatible with 8237 DMA controller, 8259 Interrupt 
    controller, 8254 Timer/Counter, and 146818 Real Time Clock
o   Provides 7 DMA channels, 13 Interrupt request channels, 2 Timer/
    Counter channels, and a Real Time Clock
o   Built in 74LS612 memory mapper for DMA page address
o   Provides 114 bytes of CMOS RAM memory
o   8 MHz DMA clock with programmable internal divider for 4 MHz 
    operation
o   16M bytes DMA address space
o   Programmable wait states for the DMA cycle
o   Reduced recovery time (120 ns) between I/O operations 



**UM82c45x     Serial/Parallel chips                                 ?...
**Other chips:...
*Unresearched:...
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