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**82489DX       Advanced Programmable Interrupt Controller    10/12/92
***Notes:...
***Info:...
***Versions:...
***Features:...
**82495DX/490DX DX CPU-Cache Chip Set                           <Sep91...
**82495XP/490XP Cache Controller / Cache RAM (for i860)       06/05/91...
**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:...
**?????  (Profusion)    c:99
Chips:         
Memory Access Controller (MAC)  
Data Interface Buffer (DIB)
CPUs:          8x P-III Xeon Oct
DRAM Types:    SDRAM PC100 2-way Interleave dual channel
Max Mem:       32GB
ECC/Parity:    ECC
AGP speed:     N/A
Bus Speed:     100
PCI Clock/Bus: 1/3 PCI-66/64



**800 series...
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*UMC...
**UM82C380     386 HEAT PC/AT Chip Set                             <91
***Info:...
***Configurations:...
***Features:
o   Highly integrated 25 MHz/0 wait state 80386 PC/AT compatible
o   Supports UMC UM82152/INTEL 82385 Cache Controllers
o   Easy Page/Cache mode interchange on motherboard
o   32-bit memory bus interface
o   Slow DRAM 100/120 ns at 25/20 MHz 0 wait state operation
o   Supports 1M/256K SIM module
o   On-board memory upto 12MBytes, extendable to 32MBytes using add-on
    card
o   Shadow RAM for system BIOS
o   8MHz I/O bus timing
o   Supports 80287/80387 /3167 Math-coprocessor
o   EMS 4.0 interface through software emulation
o   DOS/OS2/XENIX/UNIX operation
o   Commercially available BIOS (Phoenix/Award/AMI) applicable

**UM82C480     386/486 PC Chip Set                                 c91...
**UM82C493/491 ??????????????? [no datasheet]                        ?...
**UM8498/8496  486 VL Chipset  "Super Energy Star Green"[no dsheet]c94...
**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...
**UM82c45x     Serial/Parallel chips                                 ?...
**Other chips:...
*Unresearched:...
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*ZyMOS...
*General Sources:...