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**82495XP/490XP Cache Controller / Cache RAM (for i860) 06/05/91
***Notes:...
***Info:...
***Features:...
**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...
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*HMC (Hulon Microelectronics)...
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**82C291 SXWB PC/AT Chipset (386SX) c:91
***Info:...
***Configurations:...
***Features:
o 100% IBM PC/AT compatible SX chipset
o Supports AMD 386SX microprocessor and Cyrix CX486SLC
microprocessor
o Two chip PC/AT solution:
- 82C291 System Controller, 160-pin PQFP (Plastic Quad Flat
Package)
- 82C206 Integrated Peripherals Controller, 84-pin PLCC (Plastic
Leaded Chip Carrier)
o Write-back direct-mapped cache with programmable size
selections: 16KB, 32KB, 64KB, 128KB
o Supports four banks of 256KB, 1MB, and 4MB page mode
local DRAMs for configurations up to 16MB
o Two programmable non-cacheable regions
o Programmable cache and DRAM read/write cycles
o Hidden refresh, slow refresh, and CAS-before-RAS
refresh supported
o Shadow RAM option for system and channel ROM BIOS
o High performance local bus support
o Turbo/slow speed selection
o Synchronous AT bus clock with programmable clock division
options: CLK2/4, /6, /8, or /10
o Zero or one wait state options for 16-bit AT bus cycles
o Transparent 8042 emulation for fast CPU reset and GATEA20
generation
o Supports the 80387SX numerics coprocessor
o Option for write protected, cacheable video BIOS
o Flash ROM support
o Combined system/video ROM support
o Low power, high speed 1.0-micron CMOS technology
**82C295 SLCWB PC/AT Chipset (386SX) ?...
**82C381/382 HiD/386 (386DX) c:89...
**82C391/392 386WB PC/AT Chipset (386DX) <Dec90...
**82C461/462 Notebook PC/AT chipset [no datasheet] ?...
**82c463 SCNB Single Ship Notebook c:92...
**82c465MV/A/B Single-Chip Mixed Voltage Notebook Solution <Oct97...
**82C481?/482? HiP/486 & HiB/486 [no datasheet] Oct89...
**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...
**
**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...
**W86C452 I/O controller for IBM PC/AT Jul89
***Info:
GENERAL DESCRIPTION
The W86C452 is an enhanced dual-channel version of the popular W86C450
asynchronous communication element (ACE) fabricated using WINBOND'S
CMOS process. It is equivalent to VL160452 of the VLSI Technology
Inc.
The device supports two serial-to-parallel conversion on data
characters received from a peripheral device or a MODEM. and
parallel-to-serial conversion on data characters received from the
CPU.
The CPU can read the complete status of the UART at any time during
the functional operation. Status information reported includes the
type and condition of the transfer operations being performed by the
UART as well as any error conditions (parity. overrun, framing, or
break interrupt).
The UART includes a programmable baud rate generator that is capable
of dividing the timing reference clock input by divisors of l to (2^16
-1), and producing a 16 x clock for driving the internal transmiter
logic. Provisions are also included to use this 16 x clock to drive
the receiver logic. The UART includes a complete MODEM-control
capability and a processor-interrupt system. Interrupts can be
programmed to the user’s requirements, minimizing the computing
required to handle the communications link.
In addition to its communication interface capabilities, the W86C452
provides the user with a fully bidirectional parallel Centronics type
printer. This part allows information received from either serial
communication port to be printed from the dual ACE.
***Versions:...
***Features:...
**W86C456 I/O controller [no datasheet] ?
**W860551/P UART with FIFO and Printer Port Controller <94...
**
**Other:...
*ZyMOS...
*General Sources:...
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