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**82497/492   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94
***Notes:...
***Info:
The 82497 Cache Controller and multiple 82492 Cache SRAMs combine with
the Pentium processor  (735\90, 810\100) to form a  CPU Cache chip set
designed for high performance servers and function-rich desktops.  The
high-speed interconnect between the  CPU and cache components has been
optimized to  provide zero-wait state  operation. This CPU  Cache chip
set  is fully  compatible with  existing  software, and  has new  data
integrity features for mission critical applications.

The 82497 cache controller implements the MESI write-back protocol for
full multiprocessing support. Dual  ported buffers and registers allow
the 82497  to concurrently  handle CPU bus,  memory bus,  and internal
cache operation for maximum performance.

The  82492 is a  customized high-performance  SRAM that  supports 32-,
64-, 128-bit wide memory bus widths, 16-, 32-, and 64-byte line sizes,
and optional sectoring.  The data path between the  CPU bus and memory
bus  is separated  by the  82492, allowing  the CPU  bus  to handshake
synchronously,  asynchronously,  or   with  a  strobed  protocol,  and
allowing concurrent CPU bus and memory bus operations.

***Configurations:...
***Features:...
**82498/493   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94...
**
**Later chipsets (basic spec):
**440 series:...
**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99...
**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
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*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
**530/5595       (Sinbad) Host, PCI, 3D Graphics & Mem. Ctrl.<11/10/98
***Info:...
***Configurations:...
***Features:...
**540            (Spartan) Super7 2D/3D Ultra-AGP Single C.S.<11/30/99...
**55x            SoC (System-on-chip)                        <03/14/02...
**
**Support chips:
**85C206     Integrated Peripheral Controller [no datasheet]         ?...
**5595       Pentium PCI System I/O                          <12/24/97...
**950        LPC I/O                                         <07/16/99...
**Other:...
**PII/III/Pro...
**Athlon etc...
*Symphony...
*TI (Texas Instruments)...
*UMC...
**Other chips:
***Video:...
***Disk:

UM8272A/A-4   Floppy Disk Controller 4, 8 MHz Versions
UM82C776      ISA bridge
UM82C865F     Super I/O (May be compatible with SMC37C665GT)
UM82C862      ISA IDE controller
UM82C863F     VLB IDE controller
UM82C871F     VLB IDE controller 1 port
UM83C001      Hard Disk Controller For PC/XT H.D.C
UM83C002      RAM Buffer Controller
UM83C003      Hard Disk Controller Interface For PC/XT MFM H.D.C.
UM83C004      Hard Disk Controller Interface For PC/XT MFM/RLL H.D.C.
UM83C021      Hard Disk Controller For PC/AT H.D.C.
UM83C022      AT HDC Interface For PC/AT H.D.C.
UM8326/B      Floppy Disk Data Separator (FDDS) 4, 8 MHz Versions
UM8329/T/B/BT Floppy Disk Controller
UM8388        Single-Chip Floppy Disk Controller Special Design For IBM PC
UM8397        Single-Chip Floppy Disk Controller Design For IBM PC XT
UM8398        Single-Chip Floppy Disk Controller Special Design For IBM PC
UM8660        Super I/O?
UM8670        Super I/O
UM8672        EIDE controller VLB 2 ports
UM8672F       VLB IDE controller, LBA support
UM8673F       PCI EIDE controller
UM9228-1      Floppy Disk Controller

***Peripheral:...
***Other:...
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