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**82489DX Advanced Programmable Interrupt Controller 10/12/92
***Notes:...
***Info:...
***Versions:...
***Features:...
**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...
**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
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*OPTi...
**82C556M/7M/8E Viper-N+ Viper Notebook Chipset c:96
***Notes:...
***Info:...
***Configurations:...
***Features:
System
o 100% PC/AT compatible
o Supports 3.3V Intel Pentium 75/90/100/120 processors at bus
frequencies up to 66MHz
o Supports Cyrix 6x86 processor
DRAM
o Full 64-bit FPM/EDO DRAM controller
- Supports 2-2-2 EDO pipeline at 66MHz bus speed
- Supports 5V or 3.3V DRAM with-out buffers
- Supports up to 512MB
- Controls up to 6 banks
- Post write buffer
o Selectable current drive for DRAM bus
Cache
o L1 Cache supports write-through and write-back modes
o Power managed L2 Cache
- 64KB-2MB cache
- Write-back or write-through modes
- 2-1-1-1 synchronous cache cycles
- 3-1-1-1 pipelined synchronous cache cycles
- Combined tag/dirty SRAM option
ISA/VL/PCI Bus
o Integrated PCI bus with operation up to 33MHz; supports up to
three masters
o CLKRUN# support for PCI
o Distributed DMA support (software-based)
o 100% AT-compatible ISA bus; 3.3V or 5V operation, also supports
ISA bus masters
o VL bus support (slave only)
o Integrated Local Bus IDE supports four drives, which can be bus
masters, modes 4 and 5 supported
Power Management
o Advanced Power Management Unit
o Full CPU System Management Mode (SMM) support
o Full CPU power control through "clock throttling"
o Full system clock control, even CPU clock can be stopped during
APM doze mode
o Both hardware and software controlled power management
o Full peripheral power control
o 13 flexible peripheral timers
o Sixteen power control pins
o I/O trapping captures address and data
o Distributed DMA support (software-based)
o Full peripheral activity tracking
o Automatic peripheral power-up/power-down features
o Full suspend current leakage control
o 36 Power Management Interrupt (PMI) sources
o Eight external power management interrupt sources
o Supports SMBASE re-programmability that allows the cache to be
maintained during system management mode, avoiding cache fills
after returning from SMM
o Proprietary automatic internal pull-up/pull-down resistors
activated only when needed to reduce power consumption
Thermal Management
o Advanced Thermal Management Unit
o Internal mechanism tracks CPU activity and initiates cool down
mode before CPU temperature reaches a damaging level
o External sensor option
Packaging
o 82C556M Data Buffer
- 176 pin TQFP (0.5mm pin spacing)
o 82C557M System Controller
- 208 pin TQFP (0.5mm pin spacing)
o 82C558E Peripheral Controller
- 208 pin TQFP (0.5mm pin spacing)
82C602A RTC/Buffer Companion Chip
o Integrated Real-Time Clock
o Based on Benchmark Bq3285
o 256 bytes battery-backed memory
o Integrates multiplexing/demultiplexing logic, latches, and
buffers
o Eliminates most/all TTL in typical synchronous cache system
o 100 pin TQFP package (0.5mm pin spacing)
o Also available in 100 pin PQFP
**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...
**Other Chips:
SYSTEMS LOGIC/PERIPHERAL DEVICES
WD16C451, WD16C551 - Enhanced Asynchronous Communications Element (ACE) with Parallel Port
WD16C452, WD16C552 - Dual Enhanced Asynchronous Communications Element (ACE)
WD16C550 Enhanced Asynchronous Communications Element (ACE) with FIFOs
WD76C10AlLP/LV ISA-Based System Controller for 80386SX and 80286 Desktop and Portable Compatibles
WD76C20/LV Floppy Disk Controller, Real Time Clock, IDE Interface, and Support Logic Device
WD76C30/LV Peripheral Controller, Interrupt Multiplexer, and Clock Generator Device
WD7710/LP ISA-Based System Controller with Cache for 80386SX and 80286 Desktop and Portable Compatibles
WD7910/LP ISA-Based System Controller with Cache for 80386SX and 80286 Desktop and Portable Compatibles
IMAGING DEVICES
ICS90C61A Dual Video/Memory Clock Generator
ICS90C63 Dual Video/Memory Clock Generator
ICS90C64 Dual Video/Memory Clock Generator
WD90C00 VGA Controller (8514/A clone, max 1MB, 1024x768x16, 800x600x256)
WD90C01 8514/A for laptops
WD90C10 VGA, 256KB
WD90C11, WD90C11A Enhanced VGA Controller (max 512KB, 1024x768x16, 800x600x256)
WD90C20, WD90C20A VGA Flat Panel Display Controller (800x600x16, 640x460x256, 32 shades gray)
WD90C22 VGA Flat Panel Display Controller (800x600x16, 640x460x256, 64 shades gray)
WD90C24/A/A2 SVGA, max 1MB, 1280x1024x16, 1024x768x16, LCD, VESA-LB, 3.3 or 5V
WD90C26 VGA Flat Panel Display Controller
WD90C30 High Performance Video Controller (max 1MB, 1024x768x256, 1024x768x16)
WD90C31 Accelerator Video Controller (max 1MB, 1024x768x256, 1280x1024x16)
WD90C33 Same as WD90C31 but with, max 2MB, VESA-LB, 1280x1024x256, 1280x1024x16)
WD90C55 VGA LCD Interface
WD90C56 VLBI (Video Local Bus Interface), for WD90C30/31, VESA not mentioned.
WD9710 Pipelined, 32bit core, 64bit RAM, 24bit RAMDAC, PCI/VLB
WD9712 similar to WD9710
STORAGE DEVICES
WD10C01A Winchester Disk Controller
WD10C27 Data Separator
WD33C92A Enhanced SCSI Bus Interface Controller
WD33C93B Enhanced SCSI Bus Interface Controller
WD33C95A, WD33C96A Enhanced Single-ended and Differential SCSI Bus Interface Controller
WD37C65C Floppy Disk Subsystem Controller Device
WD42C22C Winchester Disk Subsystem Controller Device
WD60C318 Optical Disk Drive Encoder/Decoder
WD60C40A Peripheral Cache Manager Device
WD60C80 Error Detection and Correction Chip (EDAC)
WD61C23A High Performance Hard Disk Controller
WD61C40A Peripheral Cache Manager Device
WD7000 ESDI Controller (16-bit ISA)
WD7193 Fast SCSI-II PCI adapter, 33C296A-ZX chip
WD7197 Fast Wide version of WD7193
WD7296A Fast Wide SCSI-II (PCI?), possibly WD34C296 chip
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