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**82385SX     32-bit Cache Controller for 80386SX             01/25/89
***Notes:...
***Info:...
***Versions:...
***Features:
o   Improves 386 SX System Performance
    - Reduces Average CPU Wait States to Nearly Zero
    - Zero Wait State Read Hit
    - Zero Wait State Posted Memory Writes
    - Allows Other Masters to Access the System Bus More Readily
o   Hit Rates up to 99%
o   Optimized as 386 SX Companion
    - Simple 386 SX Interface
    - Part of Intel386-Based Compute Engine Including 387 SX Math 
      Coprocessor and 82370 Integrated System Peripheral
    - 16 MHz and 20 MHz Operation
o   Software Transparent
o   Synchronous Dual Bus Architecture
    - Bus Watching Maintains Cache Coherency
o   Maps Full 386 SX Address Space 
o   Flexible Cache Mapping Policies
    - Direct Mapped or 2-Way Set Associative Cache Organization
    - Supports Non-Cacheable Memory Space
    - Unified Cache for Code and Data
o   Integrates Cache Directory and Cache Management Logic
o   High Speed CHMOS Technology
    - 132-Pin PGA Package

**82395DX     High Performance Smart Cache                    06/18/90...
**82395SX     Smart Cache                                     12/17/90...
**82396SX     Smart Cache                                     12/17/90...
**82485       Turbo Cache (and 485Turbocache)                      c90...
**82489DX       Advanced Programmable Interrupt Controller    10/12/92...
**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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*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
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**Other chips:
***Video:...
***Disk:...
***Peripheral:
UM2661    Enhanced Programmable Communications Interface (EPCI)
UM2681    Dual Asynchronous Receiver/Transmitter (DUART)
UM6520/A  Peripheral Interface Adapter(PIA) (MC6820)
UM6521/A  Peripheral Interface Adapter(PIA) (MC6821)
UM6522/A  Versatile Interface Adapter (VIA) 
UM6532/A  RAM, I/O, Timer Array
UM6551    Asynchronous Communication Interface Adapter (ACIA)
UM82C01   Capacitance Keyboard Encoder (CKE)
UM82C11-C Printer Adapter Interface (PAI)
UM82C450  Asynchronous Communication Element (ACE)
UM82C451  Parallel/Asynchronous Communication Element 
UM82C452  Single Chip Multi-I/O (Serial/Parallel)
UM82C550  Asynchronous Communications Element with FIFOs
UM82450   Asynchronous Communication Element (ACE)
UM8250A   Asynchronous Communication Element (ACE)
UM8250B   Asynchronous Communication Element (ACE)
UM82C8167 RTC



***Other:...
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