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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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*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
**540 (Spartan) Super7 2D/3D Ultra-AGP Single C.S.<11/30/99
***Info:
The single chipset, SiS540, provides a high performance/low cost
Desktop solution for the Super Socket 7 series CPUs based system by
integrating a high performance North Bridge, advanced hardware 2D/3D
GUI engine and Super-South bridge. In addition, SiS540 provides
system-on-chip solution that complies with Easy PC Initiative which
supports Instantly Available/OnNow PC technology, USB, Legacy Removal
and Slotless Design and FlexATX form factor.
By integrating the Ultra-AGP technology and advanced 128-bit graphic
display interface, SiS540 delivers high performance and up to 2 GB/s
memory bandwidth. Furthermore, SiS540 provides powerful slice layer
decoding DVD accelerator to improve the DVD playback performance. In
addition to providing the standard interface for CRT monitors, SiS540
also provides the Digital Flat Panel Port (DFP) for a standard
interface between a personal computer and a digital flat panel
monitor. To extend functionality and flexibility, SiS also provides
the "Video Bridge" (SiS301) to support the NTSC/PAL Video Output,
Digital LCD Monitor and Secondary CRT Monitor, which reduces the
external Panel Link transmitter and TV-Out encoder for cost effected
solution. SiS540 also adopts Share System Memory Architecture which
can flexibly utilize the frame buffer size up to 64MB.
The "Super-South Bridge" in SiS540 integrates all peripheral con-
trollers/accelerators/interfaces. SiS540 provides a total commun-
ication solution including 10/100Mb Fast Ethernet for Office
requirement. SiS540 offers AC’97 compliant interface that comprises
digital audio engine with 3D-hardware accelerator, on-chip sample rate
converter, and professional wavetable along with separate modem DMA
controller. SiS540 also provides interface to Low Pin Count (LPC)
operating at 33 MHz clock which is the same as PCI clock on the host,
and dual USB host controller with four USB ports that deliver better
connectivity and 2 x 12Mb bandwidth.
The built-in fast PCI IDE controller supports the ATA PIO/DMA, and the
Ultra DMA33/66 function that supports the data transfer rate up to 66
MB/s. It provides a separate data path for two IDE channels that can
eminently improve the performance under the multi-tasking environment.
***Configurations...
***Features:...
**55x SoC (System-on-chip) <03/14/02...
**
**Support chips:
**85C206 Integrated Peripheral Controller [no datasheet] ?...
**5595 Pentium PCI System I/O <12/24/97...
**950 LPC I/O <07/16/99...
**Other:...
**PII/III/Pro...
**Athlon etc...
*Symphony...
*TI (Texas Instruments)...
*UMC...
**UM82C480 386/486 PC Chip Set c91
***Info:
The UMC82C480 is a highly integrated, IBM PC/AT compatible chip set
for high performance 80386/80486 based personal computer systems.
Built with exquisite [yes it really says that] cache controller in
advanced 1.0um CMOS technology, UM82C481 (Integrated Memory
Controller, IMC), UM82C482 (Integrated System Controller, ISC), with
UM82C206 (Integrated Peripheral Controller, IPC), and limited counts
of commercial parts constitute a low cost, highly reliable, full
advanced feature personal computer system.
The UM82C482, Integrated System Controller (ISC), is part of UMC's
high performance 80386/80486 PC/AT chip set. It contains AT bus
control logic, data bus conversion logic, CPU reset logic, clock
generation for CPU, keyboard and timer, DMA/refresh logic and
peripheral interface logic. Incorporated with UM82C481, integrated
Memory Controller (IMC), and UM82C206, Integrated Peripheral
Controller (IPC), ISC provides system control functions for overall
PC/AT computer system.
The UM82C481, Integrated Memory Controller (IMC), is part of UMC's
high performance 80386/80486 PC/AT chip set. It contains sophisticated
direct-mapped cache controller with write back operation, and fast
page mode DRAM controller. Incorporated with UM82C482, Integrated
System Controller (ISC), and UM82C206, Integrated Peripheral
Controller (IPC), IMC provides main memory management function for the
PC/AT computer system.
***Configurations:...
***Features:...
**UM82C493/491 ??????????????? [no datasheet] ?...
**UM8498/8496 486 VL Chipset "Super Energy Star Green"[no dsheet]c94...
**UM8881/8886 HB4 PCI Chipset "Super Energy Star Green"[no dsheet]c94...
**UM8890 Pentium chipset [no datasheet] ?...
**
**Support Chips:
**UM82152 Cache Controller (AUStek A38152 clone) <91...
**UM82C852 Multi I/O For XT <91...
**UM82C206 Integrated Peripheral Controller <91...
**UM82c45x Serial/Parallel chips ?...
**Other chips:...
*Unresearched:...
*VIA...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...
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