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*Title...
**DISCLAIMER!
THE DOCUMENT IS PROVIDED "AS IS", WITH ABSOLUTELY NO WARRANTY OF ANY
KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE DOCUMENT OR THE USE OR OTHER DEALINGS IN THE
DOCUMENT.
***More Disclaimers:...
*Search:...
*Read Me/FAQ/General Info...
*_IBM...
*ACC Micro...
*ALD...
*ALi...
*AMD . . . . . . . [no datasheets, some info]...
*Chips & Technologies...
*Contaq . . . . . [no datasheets, some info]...
*Efar Microsystems [no datasheets, some info]...
*ETEQ...
*Faraday...
*Forex . . . . . . [List only, no datasheets found]...
*Intel...
**82395SX Smart Cache 12/17/90
***Notes:...
**82396SX Smart Cache 12/17/90...
**82485 Turbo Cache (and 485Turbocache) c90...
**82489DX Advanced Programmable Interrupt Controller 10/12/92...
**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)...
*Logicstar...
*Motorola...
*OPTi...
**82C481?/482? HiP/486 & HiB/486 [no datasheet] Oct89
***Notes:...
**82C491/392 486WB PC/AT Chipset <04/21/91...
**82C493/392 486SXWB <10/21/91...
**82C495SX/392SX LCWB PC/AT chipset [no datasheet] ?...
**82C495SLC DXSLC 386/486 Low Cost Write Back c:92...
**82C495XLC PC/AT Chip Set c:93...
**82c496A/B DXBB PC/AT Chipset <Mar92...
**82C496/7 DXBB PC/AT Chipset (Cached) <01/16/92...
**82C498 DXWB PC/AT chipset [no datasheet] ?...
**82C499 DXSC DX System Controller c:93...
**82C546/547 Python PTM3V c:94...
**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
***Notes:...
***Info:...
***Configurations:...
***Features:
o Processor interface:
- Intel 486SX, DX, DX2, SLe, DX4, P24T, P24D
- AMD 486DX, DX2, DXL, DXL2, Plus
- Cyrix DX, DX2, M7
- CPU frequencies supported 20, 25, 33, 40 and 50MHz
- Auto clock detection
o DRAM interface:
- Up to 128MB main memory support
- Supports 256KB, 1MB, 4MB, and 16MB single- and double-sided SIMM
modules
- Read page-hit timing of 3-2-2-2 at 33MHz
- Supports hidden, slow, and CAS-before-RAS refresh
- Eight RAS lines to support eight banks of DRAM
- Programmable wait states for DRAM reads and writes
- Enhanced DRAM configuration map
- Strong drive on MA lines (12/24mA)
- Supports asymmetric DRAMs
o Power management:
- Support for SMM (System Management Mode) for system power
management implementations
- Programmable power management
- Programmable wake-up events through hardware, software, and
external SMI source
- Multiple level GREEN support (NESTED_GREEN)
- STPCLK# protocol support
- Programmable GREEN event timer
o ISA interface:
- 100% IBM PC/AT ISA compatible
- Integrates DMA, timer, and interrupt controllers
- Optional PS/2 style IRQ1 and IRQ12 latching
o VESA VL interface:
- Conforms to the VESA V2.0 specification
- Optional support for up to two VL masters
o Miscellaneous features:
- Full support for shadow RAM, and write protection for video,
adapter, and system BIOS
- Enhanced arbitration scheme
- Transparent 8042 emulation for fast CPU Reset and Gate A20
generation
o Packaging:
- Higher integration
- Reduced TTL count
- Low-power, high-speed 0.8-micron CMOS technology
- 208-pin PQFP (Plastic Quad Flat Pack)
**
**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...
*ZyMOS...
*General Sources:...
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