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**82495DX/490DX DX CPU-Cache Chip Set <Sep91
***Notes:...
***Info:...
***Configurations:...
***Features:...
**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...
**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
**82C566/7/8 Viper-Max Chipset Scalable MultiMedia PC Solution ?
***Info:
Overview
The OPTi Viper-MAX Chipset provides a highly integrated solution for
fully compatible, high performance PC/AT platforms based on the Intel
3.3V Pentium Processor, Cyrix 6x86 Processor, and AMD K86 Proc-
essor. As the latest member of the Desktop Viper Chipset Family, it is
designed from its inception to be the highest performance Pentium
chipset ever. its feature set can be scaled to address entry level
UMA-based system to high-end non-UMA work stations and servers. The
deep buffers in the Viper-MAX minimize system level latencies and
maximize through-puts to both DRAM and PCI subsystems.
The chipset provides 64-bit core logic, with Unified Memory Archit-
ecture (UMA), and integrated PCI support, plus sophisticated power
management features. This highly integrated approach supplies the
foundation for a cost effective platform without compromising per-
formance. Its feature set furnishes an array of control and status
monitoring options that are accessed through a simple and straight-
forward interface. All major BIOS vendors provide extensive software
hooks that allow system designers to integrate their own special
features with minimal effort.
82C566 Data Buffer Controller
The 82C566 performs the task of buffering the CPU to the DRAM memory
data path.
o CPU to memory data buffer
o CPU to PCI local bus buffer
o Memory to PCI local bus buffer
o 208-pin PQFP
82C567 System Controller
The 82C567 provides the control functions for the host CPU interface,
the 64-bit Level-2 (L2) cache, the 64-bit DRAM bus, and the PCI
interface. The 82C567 controls the data flow between the CPU bus, the
DRAM bus, the local buses, and the 8/16-bit ISA bus. It interprets and
translates cycles from the CPU, PCI bus master, ISA master, and DMA to
the host memory, PCI bus slave, or ISA bus devices. The 82C567 also
serves as the UMA (Unified Memory Architecture) and USB (Universal
Serial Bus) protocol interface.
o 3.3V CPU interface
o DRAM controller
o L1/L2 cache controller
o UMA arbiter
o USB interface
o PCI interface
o Arbitration logic
o Data bus buffer control (memory data bus to and from host data
bus)
o 208-pin PQFP
82C568 Integrated Peripherals Controller
The 820568 contains the ISA bus controller and includes an 82C206, RTC
interface, DMA controller, serial interrupt controller and distributed
DMA. It also has a sophisticated system power management unit.
o ISA bus controller
o Master mode IDE
o Type F DMA support
o Integrated 82C206 IPC
o System power management functions
o PCI local bus interface
o PCI to ISA expansion bridge
o Serial interrupt controller
o Distributed DMA
o Keyboard emulation of A20M# and CPU warm reset
o Port B and Port 092h Register
o 208-pin POFP
***Configurations:...
***Features:...
**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
***Info:...
***Configurations:...
***Features:...
**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:
OPTi 82C200 - ChromaCast LCD-VGA chipset
OPTi 82C205 - LCD panel controller / scalar
OPTi 82C264 - 2D VGA controller
OPTi 82C265 - Video ????????????????????????????
OPTi 82C268 - Video ????????????????????????????
OPTi 82C611 - EIDE VLB
OPTi 82C611A - EIDE VLB
OPTi 82C621 - PCI-to-IDE controller
OPTi 82C621A - PCI-to-IDE controller
OPTi 82C824 - FireFox PCI to PCMCIA Controller
OPTi 82C825 - FireBridge II PCI to PCMCIA Controller
OPTi 82C814 - Docking Station Controller for laptops (PCI-to-PCI bridge)
OPTi 82C842 - PCI-to-IEEE 1393 FireWire
OPTi 82C832 - ?????????????????????????????????????????
OPTi 82C861 - PCI-to-USB Bridge c1997
OPTi 82C862 - PCI-to-USB Bridge 4x port
OPTi 82C863 - PCI-to-USB Bridge 2x port
OPTi 82C871 - PCI-to-USB Bridge + Sound Blaster compatibility and USB 2.0
OPTi 82C916 - Audio, ISA, serial CODEC) used in combination with Vendetta chipset 82C750
OPTi 82C924 - Audio, ISA
OPTi 82C925 - ISA Audio Controller (replaces the 924)
OPTi 82C928 - (MAD16) ISA Audio Controller (Emulates Sound Blaster Pro) c1993
OPTi 82C929 - (MAD16 Pro) ISA Audio Controller (Emulates Sound Blaster Pro) c1994
OPTi 82C930 - ISA Audio Controller (Emulates Sound Blaster Pro, AdLib)
OPTi 82C931 - ISA Audio controller (Emulates Sound Blaster Pro, AdLib)
OPTi 82C933 - Audio ?????????????????????????????
OPTi 82C935 - EV1935 ECTIVA MachOne PCI Audio
OPTi 82C941 - Wavetable chip, has something to do with 82C930
OPTi 82C950 - (MAD32) Audio/Modem controller (Emulates Sound Blaster Pro) c1994
OPTi 92C160 - Clock Generator for 92C168
OPTi 92C168 - LCD VGA controller c1993
OPTi 92C178 - LCD VGA controller with blt c1993
OPTi 92C264 - 2D VGA controller
-------------------------------------------------
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