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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)...
*Logicstar...
*Motorola...
*OPTi...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
**5595 Pentium PCI System I/O <12/24/97
***Notes:...
***Info:...
***Versions:...
***Features:...
**950 LPC I/O <07/16/99...
**Other:...
**PII/III/Pro...
**Athlon etc...
*Symphony...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
*VLSI...
**VL82C031/032/033 PS/2 Model 30-compatible chip set c88
***Notes:...
***Info:...
***Configurations:...
***Features:
VL82C031:
o Supports 8088 or V30 CPU at 8 MHz or 10 MHz zero wait state
using 150 ns DRAMs
o Generates programmable fast and normal timing for PC memory
o Provides either DRAM or SRAM control
o Supports up to 8M bytes of expanded memory
o Supports 256K or 1M bit DRAMs on EMS memory
o Arbitrates the system bus among the CPU, DMA, math coprocessor,
and DRAM memory refresh cycles
o Provides four channels of 8 MHz DMA as well as burst mode
o RAM pin available to select static or dynamic memory interface
o Power down mode for low power standby operation
VL82C032:
o Controls Model 30-compatible system keyboard and mouse
o Integrates the following functions on a single device:
- 8253-compatible timer/counter
- Dual 8250-compatible serial communications controller
- Bidirectional parallel port controller
- 8259-compatible interrupt controller
- 58167-compatible real-time clock
o Decodes subsystems for floppy disk, hard disk, and video
o Provides chip select logic for serial/parallel ports, disk
controllers, and real time clock.
VL82C033: (from the '88 version):
o Provides a uPD765A-compatible floppy disk controller
o contains a precision analog data separator
o Integrates an internal phase comparator, and voltage controlled
oscillator (VCO)
o Provides the system with three data rates:
-250K bit-per-second
-300K bit-per-second
-500K bit-per-second
**VL82C286-SET TOPCAT 286/386SX PC/AT-Compatible Chip Set ?...
**VL82C386-SET TOPCAT 386DX PC/AT-Compatible Chip Set ?...
**VL82C386sx-SET TOPCAT 286/386SX PC/AT-Compatible Chip Set ?...
**VL82C310 SCAMP-LT ?...
**VL82C311 SCAMP-DT ?...
**VL82C311L SCAMP-DT 286 ?...
**VL82C312 SCAMP Power Management Unit (PMU) ?...
**VL82C315A SCAMP II, Low-Power Notebook Chipset ?...
**VL82C322A SCAMP II, Power Management Unit (PMU) ?...
**VL82C316 SCAMP II, PC/AT-Compatible System Controller ?...
**VL82C323 SCAMP II, 5 Volt Power Management Unit (PMU) ?...
**VL82C380 Single chip 386DX PC/AT Controller +on-chip cache ?...
**VL82C325 VL82C386SX System Cache controller ?...
**VL82C335 VL82C386DX System Cache ctrl. [no d.sheet] ?...
**VL82C315A/322A/3216 Kodiak 32-Bit Low-Voltage Chip Set ?...
**VL82C420/144/146 SCAMP IV [no datasheet, some info] c93...
**VL82C480 System/Cache/ISA bus Controller ?...
**VL82C481 System/Cache/ISA bus Controller c92...
**VL82C486 Single-Chip 486, SC486, Controller ?...
**VL82C425 486 Cache controller ?...
**???????? Cheetah 486, PCI [no datasheet] ?...
**VL82C3216 Bus Expanding Controller Cache with write buffer ?...
**VL82C521/522 Lynx/M ?...
**VL82C530 Eagle Ð c95...
**VL82C541/543 Lynx c95...
**VL82C591/593 SuperCore 590 c94...
**VL82C594/596/597 Wildcat c95...
**I/O Chips:
**VL82C106 Combination I/O chip ?...
**VL82C107 SCAMP Combination I/O chip ?...
**VL82C108 TOPCAT Combination I/O chip ?...
**VL82C110 Combination I/O chip ?...
**VL82C113 SCAMP Combination I/O chip ?...
**VL82C114 Combination I/O chip ?...
**Video: ...
**Disk:...
**Modems:...
**Other:...
**Not sure if they actually exist...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...
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