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**M1561/43/35D Aladdin 7 ArtX [no datasheet, some info] 11/08/99
***Notes:...
***Info & Features:...
***Configurations:...
**M6117 386SX Single Chip PC <97...
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**M1535/D South Bridge ?...
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*Intel...
**82496/491 Cache Controller / Cache RAM (for P5 Pentium) 03/22/93
***Notes:
Date source: TimelineDateSort7_05.pdf
Information taken from:
1995_Intel_Pentium_Processors_and_Related_Components.pdf*
8249x Cache controllers.pdf**
>* Datasheet dated Oct'93
>** Datasheet undated, whole document dated '95
The info and features section have been solely sourced from the first
source. The second source provides far more detail. Additional
information in the configurations section has been sourced from the
second.
This chip was used on the Pentium 66MHz CPU complexes of Intel's
Xpress platform. Specifically the BXCPUPENT66 (Single 66MHz, eight
82491s) and BXCPU2XPENT (Dual 66 MHz, eight 82491s). Also found on P5
60/66MHz CPU complexes of IBM 9595/PC Server 300/500 systems.
***Info:...
***Configurations:...
***Features:
o High Performance Second Level Cache
- Zero Walt States at 66 MHz
- Two-way Set Associative
- Write-Back with MESI Protocol
- Concurrent CPU Bus and Memory Bus Operation
- Boundary Scan
o Pentium Processor
- Chip Set Version of Pentium Processor
- Superscalar Architecture
- Enhanced Floating Point
- On-chip SK Code and SK Data Caches
- See Pentium Processor User's Manual Volume 2 for more
Information
o Highly Flexible
- 256K to 512K with parity
- 32, 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
**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...
**82C895 System/Power Management Controller (cached) c:Sep94
***Notes:...
***Info:...
***Configurations:...
***Features:...
**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...
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*Symphony...
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