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**82496/491 Cache Controller / Cache RAM (for P5 Pentium) 03/22/93
***Notes:...
***Info:...
***Configurations:...
***Features:...
**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...
**82C546/547 Python PTM3V c:94
***Notes:...
***Info:...
***Configurations:...
***Features:
o 100% PC/AT compatible
o Fully supports the 3.3V/5.0V Pentium processors
o Three chip solution:
- 82C547 System Controller (SYSC) (160-pin PQFP)
- 82C546 AT Bus Controller (ATC) (208-pin PQFP)
- 82C206 Integrated Peripheral Controller (IPC) (84-pin PLLC
or 100-pin PQFP)
o Two buffer/translator support chips:
- 82C606A (100-pin PQFP)
- 82C606B (100-pin PQFP)
o Supports Pentium CPU address pipelining
o 1X clock source, supporting systems running Pentium processor
bus clocks up to 60MHz
o Write-back, direct-mapped cache with size selections:
64KB, 128KB, 256KB, 512KB, 1MB and 2MB
o Programmable cache write policy: write-back or write-through
o Fully programmable cache and DRAM read/write cycles
o Supports 3-2-2-2 cache burst read cycles at 60MHz
o Built-in tag auto-invalidation circuitry
o Support for two programmable non-cacheable memory regions
o Options for cacheable, write-protected, system and video BIOS
o Supports two banks of 64-bit wide DRAMs with 256KB, 512KB, 1MB
2MB, 4MB and 8MBx36 Page Mode
o Supports DRAM configurations up to 128MB
o Supports 3-3-3-3 pipeline DRAM burst cycles
o DRAM post write buffer
o Support for flash ROM
o Shadow RAM option
o Hidden refresh with CAS-before-RAS refresh supported
o High-performance 32-bit local bus support
o Performance-oriented snoop-line comparator for VL/ISA
bus masters
o External DMA page register
o Turbo/slow speed selection
o Asynchronous CPU and VL bus interface
o AT bus clock speed programmability
o Transparent 8042 emulation for Fast CPU Reset and GATEA20
generation
o Supports Ports 92h, Gate A20, and Fast Reset
o Mixed voltage (3.3V and 5.0V), low-power, high speed, 0.8
micron CMOS technology
**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...
*Winbond...
**W83C553F System I/O Controller With PCI Arbiter c:sep95
***Info:...
***Versions:...
***Features:...
**W83628F/29D PCI TO ISA Bridge Set c98...
**W83626F/D LPC TO ISA Bridge Set <00...
**
**Multi I/O:
**W83757 SUPER I/O CHIP <92...
**W83767F ?? Multi I/O [no datasheet]
**W83777F/87F Power I/O (Multi I/O) <95...
**W83877F WINBOND I/O (Multi I/O) <96...
**W83877TF/TG/TD WINBOND I/O (Multi I/O) c97...
**W83977F/G/AF/AG WINBOND I/O (Multi I/O) c97...
**W83977TF WINBOND I/O (Multi I/O) c97...
**W83977EF WINBOND I/O (Multi I/O) <98...
**W83977ATF WINBOND I/O (Multi I/O) <98...
**
**Disk Controller:
**W83759/A/F/AF Advanced VL-IDE Disk Controller <96...
**W83769 Local Bus IDE Solution <94...
**
**UARTS:
**W86C250A UART (equivalent of INS8C250A) [no datasheet]
**W86C450/P Universal Asynchronous Receiver/Transmitter <Jul89
***Info:...
***Versions:...
***Features:...
**W86C451 I/O controller for IBM PC/AT/XT <Jul89...
**W86C452 I/O controller for IBM PC/AT Jul89...
**W86C456 I/O controller [no datasheet] ?
**W860551/P UART with FIFO and Printer Port Controller <94...
**
**Other:...
*ZyMOS...
*General Sources:...
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