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**82497/492 Cache Controller / Cache RAM (for P54 Pentium) <Nov94
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82498/493 Cache Controller / Cache RAM (for P54 Pentium) <Nov94...
**
**Later chipsets (basic spec):
**440 series:...
**450NX (?) 06/29/98:...
**????? (Profusion) c:99...
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*SIS...
**530/5595 (Sinbad) Host, PCI, 3D Graphics & Mem. Ctrl.<11/10/98
***Info:
The P5 A.G.P./VGA chipset, SiS530/5595, provides a high performance/
cost index Desktop/Mobile solution for the Intel Pentium P54C/P55C,
AMD K5/K6/K6-II, Cyrix M1/M2 and other compatible Pentium CPU with 3D
A.G.P. VGA system.
The Host, PCI, 3D A.G.P. Video/Graphics & Memory Controller, SiS530
integrates the Host- to-PCI bridge, the PCI interface, the L2 cache
controller, the DRAM controller, the high performance hardware 2D/3D
VGA controller, and the PCI IDE controller.
The Host interface supports Synchronous/Asynchronous Host/DRAM
clocking configuration to eminently improve the system performance and
DRAM compatibility issues.
The L2 cache controller can support up to 2 MB P.B. SRAM, and the DRAM
controller can support SDRAM memory up to 1.5 GBytes with three
double-sided SDRAM DIMMs configuration. The cacheable DRAM sizes
support up to 256 MBytes.
The built-in fast PCI IDE controller supports the ATA PIO/DMA, and the
Ultra DMA33/66 function that support the data transfer rate up to 66
MB/s. It provides the separate data path for two IDE channels that can
eminently improve the performance under the multi-tasking environment.
The A.G.P. internal interface is supported for integrated H/W 3D VGA
controller. The integrated VGA controller is a high performance and
targeted at 3D graphics application. In addition, the integrated 3D
Video/Graphics controller adopts the 64bits 100MHz host bus interface
high technology to improve the performance eminently. To cost-
effective the PC system, the share system memory architecture will be
adopted and it can flexibly using the 2MB, 4MB and 8MB frame buffer
size from programming the system BIOS. [something got confused in
translation there didn't it?] To enhance the system performance,
SiS530 also supports the local frame buffer solution and memory sizes
can support up to 8MB with SDRAM and SGRAM.
In addition to provide the standard interface for CRT monitors, it
also provides the Digital Flat Panel Port (DFP) for a standard
interface between a personal computer and a digital flat panel
monitor. This port allows a host computer to connect directly to an
external flat panel monitor without the need for analog-to-digital
conversion found in most flat panel monitors today. As for DVD
solution, the integrated 3D VGA controller also support DVD H/W
accelerator to improve the DVD playback performance.
The SiS5595 PCI system I/O integrates the PCI-to-ISA bridge with the
DDMA, PC/PCI DMA and Serial IRQ capability, the ACPI/Legacy PMU, the
Data Acquisition Interface, the Universal Serial Bus host/hub
interface, and the ISA bus interface which contains the ISA bus
controller, the DMA controllers, the interrupt controllers, the Timers
and the Real Time Clock (RTC). It also integrates the Keyboard
Controller and PS/2 mouse interface that can support keyboard power on
function for users to power on system by entering the hot key or
password from keyboard. The built-in USB controller, which is fully
compliant to OHCI (Open Host Controller Interface), provides two USB
ports capable of running full/low speed USB devices. The Data
Acquisition Interface offers the ability of monitoring and reporting
the environmental condition of the PC. It could monitor 5 positive
analog voltage inputs, 2 Fan speed inputs, and one temperature input.
In addition, SiS5595 also supports ACPI function to meet Advanced
Configuration and Power Interface (ACPI) 1.0 specification for Windows
98 environment, it can support power-management timer, Power button,
Real-time clock alarm wake up, more sleeping state, ACPI LED for
sleeping and working state, LAN wake up, Modem Ring In wake up, and
OnNow initiative function.
***Configurations:...
***Features:...
**540 (Spartan) Super7 2D/3D Ultra-AGP Single C.S.<11/30/99...
**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...
*Unresearched:...
*VIA...
**VT8501 Apollo MVP4,Single-Chip 66-100MHz & AGP <11/04/98
***Notes:...
***info:
The Apollo MVP4 is a PC Socket-7 system logic North Bridge with
integrated 2D / 3D Graphics accelerator. The core logic portion of
the chip is based on the popular 100MHz VIA Apollo MVP3 chipset with
enhanced features and graphics accelerator based on the Cyber9398DVD
from Trident Microsystems, Inc. The combination of the two leading
edge technologies provides a stable, cost-effective, and high
performance solution for personal computers, embedded systems, set-top
boxes and others. As shown in Figure 1 [see datasheet] below, the
Apollo MVP4 will interface to:
o Socket 7 CPU (66 – 100 MHz)
o L2 Cache RAM & Tag
o SDRAM Memory Interface
o PCI Bus (30 - 33 MHz)
o Analog RGB Monitor with DDC
o DFP / Digital Monitor Interface (TMDS)
o Video Capture / Playback CODECs
Apollo MVP4 Core Logic Overview
The Apollo MVP4 – System Media Accelerated North Bridge (SMA) is a
high performance, cost-effective and energy efficient solution for the
implementation of Integrated 2D/3D Graphics - PCI - ISA personal
computer systems from 66 MHz to 100 MHz based on 64-bit Socket-7
(Intel Pentium and Pentium MMX; AMD K6 and K6-2; Cyrix / National 6x86
/ 6x86MX, IDT / Centaur C6/WinChip), and Rise MP6 processors.
The Apollo MVP4 controller provides superior performance between the
integrated 2D/3D Graphics Engine, CPU, optional synchronous cache,
DRAM, and PCI bus with pipelined, burst, and concurrent operation.
For L2-Cache solutions using pipelined burst synchronous SRAMs,
3-1-1-1-1-1-1-1 timing can be achieved for both read and write
transactions at 100 MHz. Tag timing is specially optimized internally
(less than 4 nsec setup time) to allow implementation of L2 cache
using an external tag for t he most flexible cache organization (0K /
256K / 512K / 1M / 2M). Four cache lines (16 quadwords) of CPU/cache
to DRAM write buffers with concurrent write-back capability are
included on chip to speed up cache read and write miss cycles.
The Apollo MVP4 supports six banks of DRAMs up to 768MB. The DRAM
controller supports standard Fast Page Mode (FP) DRAM, EDO-DRAM,
Synchronous DRAM (SDRAM), and Virtual Channel Synchronous DRAM in a
flexible mix / match manner. The Synchronous DRAM interface allows
zero wait state bursting between the DRAM and the data buffers at 100
MHz. The six banks of DRAM can be composed of an arbitrary mixture of
1M / 2M / 4M / 8M / 16MxN DRAMs. The DRAM controller also supports
optional ECC (single-bit error correction and multi-bit detection) or
EC (error checking) capability separately selectable on a bank-by-bank
basis. The DRAM Controller can run at either the host CPU bus
frequency (66 / 100 MHz) or at the PC100 memory frequency (100 MHz)
with built-in deskew PLL timing control. With the advanced DRAM
controller, the Apollo MVP4 allows implementation of the most
flexible, reliable, and high-performance DRAM interface.
The Apollo MVP4 also supports full AGP v2.0 capability with the
internal 2D/3D Graphics Engine for maximum software compatibility. An
eight level request queue plus a four level post-write request queue
with thirty-two and sixteen quadwords of read and write data FIFO’s
respectively are included for deep pipelined and split AGP
transactions. A single-level GART TLB with 16 full associative
entries and flexible CPU/AGP/PCI remapping control is also provided
for operation under protected mode operating environments. Both
Windows-95 VXD and Windows-98 / NT5 miniport drivers are supported.
The Apollo MVP4 supports one 32-bit 3.3 / 5V system bus (PCI) that is
synchronous / pseudo-synchronous to the CPU bus. The chip also
contains a built-in AGP bus -to- PCI bus bridge to allow simultaneous
concurrent operations on each bus. Five levels (doublewords) of
posted write buffers are included to allow for concurrent CPU and PCI
operation. For PCI master operation, forty-eight levels (doublewords)
of posted write buffers and sixteen levels (doublewords) of prefetch
buffers are included for concurrent PCI bus and DRAM/cache accesses.
The chip also supports enhanced PCI bus commands such as
Memory-Read-Line, Memory-Read-Multiple, and Memory-Write-Invalid
commands to minimize snoop overhead. In addition, advanced features
are supported such as snoop ahead, snoop filtering, L1 write-back
forward to PCI master, and L1 write-back merged with PCI post write
buffers to minimize PCI master read latency and DRAM utilization.
Delayed transaction and read caching mechanisms are also implemented
for further improvement of overall system performance.
The Apollo MVP4 provides independent clock stop control for the CPU /
SDRAM, PCI, and AGP buses and Dynamic CKE control for powering down of
the SDRAM. A separate suspend-well plane is implemented for the SDRAM
control signals for Suspend-to-DRAM operation. Coupled with the
324-pin Ball Grid Array VIA VT82C596B south bridge chip, a complete PC
main board can be implemented with no external TTLs.
The Apollo MVP4 controller coupled with VIA’s highly integrated south
bridge, the VT82C686A, is ideal for high performance, energy
efficient, and highly integrated computer systems. The VT82C686A
supports a PCI-to-ISA bus controller, four USB ports, dual bus-master
IDE with UltraDMA33/66, AC97 basic digital audio, system hardware
monitoring, and integrated "Super-I/O" functionality.
***Configurations:...
***Features:...
**VT82C680 Apollo P6, Pentium-Pro Chip Set <08/30/96...
**Support chips:
**VT82C505 Pentium/486 VL to PCI Bridge <05/30/94...
**VT82C586/A/B PCI Integrated Peripheral Controller <10/13/96...
**VT82C596/A Mobile PCI Integrated Peripheral Controller <11/05/97...
**VT82C686A/B PCI Super-I/O Integrated Peripheral Ctrl. <02/10/98...
**Later P-Pro/II/III/Celeron...
**Later AMD...
**Other...
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