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**82497/492 Cache Controller / Cache RAM (for P54 Pentium) <Nov94
***Notes:...
***Info:...
***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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*OPTi...
**82c465MV/A/B Single-Chip Mixed Voltage Notebook Solution <Oct97
***Info:
Overview
The OPTi 82C465MV chipset is a highly integrated ASIC that implements
32-bit ISA-compatible core logic, along with power management and CPU
thermal management hardware, in a single device. Its feature set
provides an array of control and status monitoring options, all
accessed through a simple and straightforward interface. All major
BIOS vendors provide power management modules that are optimized for
the OPTi power management unit and provide extensive software "hooks"
that allow system designers to integrate their own special features
with minimal effort.
The 82C465MV requires very little board space, implemented as a single
208-pin PQFP package in 0.6 micron (465MVB) CMOS technology. It can
be used in conjunction with a 100-pin buffer chip to completely
implement all the functions available on a typical desktop system.
Upgrade Comparison
The 82C465MV chipset has been replaced by the 82C465MVA and 82C465MVB
derivatives. The following lists show the improvements made in each
chip.
Note: This document covers the 82C465MV, 82C465MVA, and 82C465MVB.
Features that apply only to the 82C465MVB are marked MVB, while
features that apply to both the 82C465MVA and the 82C465MVB are marked
MVA. Unmarked features apply to all three.
***Configurations:...
***Features:...
**82C481?/482? HiP/486 & HiB/486 [no datasheet] Oct89...
**82C491/392 486WB PC/AT Chipset <04/21/91...
**82C493/392 486SXWB <10/21/91...
**82C495SX/392SX LCWB PC/AT chipset [no datasheet] ?...
**82C495SLC DXSLC 386/486 Low Cost Write Back c:92...
**82C495XLC PC/AT Chip Set c:93...
**82c496A/B DXBB PC/AT Chipset <Mar92...
**82C496/7 DXBB PC/AT Chipset (Cached) <01/16/92...
**82C498 DXWB PC/AT chipset [no datasheet] ?...
**82C499 DXSC DX System Controller c:93...
**82C546/547 Python PTM3V c:94...
**82C556/7/8 Viper [no datasheet] ?...
**82C556/7/8N Viper-N Viper Notebook Chipset <05/25/95...
**82C556M/7M/8E Viper-N+ Viper Notebook Chipset c:96...
**82C566/7/8 Viper-Max Chipset Scalable MultiMedia PC Solution ?...
**82C571/572 486/Pentium c:93...
**82C576/7/8 Viper Xpress [no datasheet] ?...
**82C576/8/9 Viper XPress+ [no datasheet, some info] <01/16/97...
**82C596/597 PTMAWB Pentium Adaptive Write-back (Cobra) c:93...
**82C650/1/2 Discovery (Pentium Pro) [no datasheet] ?...
**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...
*Unresearched:...
*VIA...
*VLSI...
*Western Digital...
**WD7855 System controller for 80386SX <09/25/92
***Notes:...
***Info:...
***Configurations:...
***Features:
Features common to both versions of the WD7855
o Single chip AT systems logic for desktops, notebooks, palmtops
o Supports 80386SX microprocessors at speeds up to 33 MHz
o Supports static, dynamic or cached CPUs
o Flexible DRAM support: 64K, 256K, 512K x 9, 1 Mbits, 4 Mbits,
1M x 18 bits or 2M x 9 bits
o Choice of non-page or page DRAM operating modes while supporting
optional extra wait states for page mode
o Up to eight banks of two-way interleave memory support
o Support for major DRAM standards, including 88-pin DRAM card
modules
o User-definable, non-cachable regions
o Supports external look aside cache
o Snoop interface to support cached CPUs
o Programmable full 16-bit I/O decode
o High-speed, local video bus (VLBI) support
o Slow Refresh
o Stop DMA clock
o 0.9 micron CMOS technology
o 160-pin MQFP package
o Three fully programmable Chip Selects in addition to standard
Chip Selects
o AUTOFAST (automatic CPU speedup)
o SMI and I/O trapping
o Suspend/Resume modes
o Hibernation mode
o Multiple CPU speeds
o CPU Sleep/CPU Powerdown modes
o Peripheral and I/O power control
o System Activity Monitor (SAM) for idle detection
WD7855LV Laptop Design
o Supports 3.3 volt operation with on-chip translators for
5 volt AT bus (Split rail operation)
**WD7900/LP/LV System Chip Set for 80286 or 80386SX (Cache) <11/25/91...
**WD8110 System controller for 80386DX/486 <11/30/93...
**
**Support Chips:
**WD76C20x Floppy, RTC, IDE and Support Logic Device <11/25/91...
**WD76C30x Perip. Ctrl, Interrupt Multiplex, and Clock Gen <11/18/91...
**WD7615 Desktop Buffer Manager <04/15/92...
**WD7625 Desktop Buffer Manager <10/01/92...
**WD8120LV Super I/O [no datasheet] ?
**Other Chips:...
*Winbond...
*ZyMOS...
*General Sources:...
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