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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
***Notes:...
***Info:...
***Configurations:...
***Features:
o High Performance Second Level Cache
- Zero Wait States at 66 MHz
- Two-Way Set Associative
- Writeback with MESI Protocol
- Concurrent CPU Bus and Memory Bus Operation
- Boundary Scan
o Pentium Processor (735\90, 815\100)
- Chip Set Version of Pentium Processor (735\90, 815\100)
- Superscalar Architecture
- Enhanced Floating Point
- On-Chip 8K Code and 8K Data Caches
- See Pentium Processor Family Data Book for More Information
o Highly Flexible
- 1 Mbyte to 2 Mbyte
- 64-, or 128-Bit Wide Memory Bus
- Synchronous, Asynchronous and Strobed Memory Bus Operation
- Selectable Bus Widths, Line Sizes, Transfers and Burst Orders
o Full Multiprocessing Support
- Concurrent CPU, Memory Bus and Snoop Operations
- Complete MESI Protocol
- Internal/External Parity Generation/Checking
- Supports Read For Ownership, Write-Allocation and Cache-to-Cache
Transfers
**
**Later chipsets (basic spec):
**440 series:...
**450NX (?) 06/29/98:...
**????? (Profusion) c:99...
**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
**82C571/572 486/Pentium c:93
***Notes:...
***Info:...
***Configurations:...
***Features:...
**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] ?
***Notes:...
**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...
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