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**CS8221 NEW Enhanced AT (NEAT) (82C211/82C212/82C215/82C206) c86
***Info:
The CS8221 PC/AT compatible NEAT CHIPSet is an enhanced, high
performance 4 chip VLSI implementation (including the 82C206 IPC) of
the control logic used on the IBM Personal Computer AT. The flexible
architecture of the NEAT CHIPSet allows it to be used in any 80286
based system.
The CS8221 NEAT CHIPSet provides a complete 286 PC/AT compatible
system, requiring only 24 logic components plus memory devices.
The CS8221 NEAT CHIPSet consists of the 82C211 CPU/Bus controller, the
82C212 Page/interleave and EMS Memory controller. the 82C215
Data/Address buffer and the 82C206 Integrated Peripherals Controller
(IPC).
The NEAT CHIPSet supports the local CPU bus, a 16 bit system memory
bus, and the AT buses as shown in the NEAT System Block Diagram [see
datasheet]. The 82C211 provides synchronization and control signals
for all buses. The 82C211 also provides an independent AT bus clock
and allows for dynamic selection between the processor clock and the
user selectable AT bus clock. Command delays and wait states are
software configurable, providing flexibility for slow or fast peri-
pheral boards.
The 82C212 Page/interleave and EMS Memory controller provides an
interleaved memory sub-system design with page mode operation. It
supports up to 8 MB of on-board DRAM with combinations of 64Kbit,
256Kbit and 1Mbit DRAMs. The processor can operate at 16MHz with
0.5-0.7 wait state memory accesses, using 100 nsec DRAMs. This is
possible through the Page Interleaved memory scheme. The Shadow RAM
feature allows taster execution of code stored in EPROM, by down
loading code from EPROM to RAM. The RAM then shadows the EPROM for
further code execution. In a DOS environment, memory above 1Mb can be
treated as LIM EMS memory.
The 82C215 Data/Address buffer provides the buffering and latching
between the local CPU address bus and the Peripheral address bus. It
also provides buffering between the local CPU data bus and the memory
data bus. The parity bit generation and error detection logic resides
in the 82C215.
The 82C206 Integrated Peripherals Controller is an integral part of
the NEAT CHIPSet. It is described in the 82C206 Integrated Peri-
pherals Controller data book.
System Overview
The CS8221 NEAT CHIPSet is designed for use in 12 to 16 MHz 80286
based systems and provides complete support for the IBM PC/AT
bus. There are four buses supported by the CS8221 NEAT CHIPSet as
shown in Figure 1 [see datasheet]: CPU local bus (A and D), system
memory bus (MA and MD), I/O channel bus (SA and SD), and X bus (XA and
XD). The system memory bus is used to interface the CPU to the DRAMs
and EPROMs controlled by the 82C212. The I/O channel bus refers to
the bus supporting the AT bus adapters which could be either 8 bit or
16 bit devices. The X bus refers to the peripheral bus to which the
82C206 IPC and other peripherals are attached in an IBM PC/AT.
***Configurations:...
***Features:...
**CS8223 LeAPset [no datasheet] ?
**CS8225 CHIPS/250 PS/2 50/60 [no datasheet, some info] c88...
**CS8227 CHIPSlite (82C235/82C641) ?...
**CS8230 386/AT (82C301/302/303/304/305/306)cFeb87...
**CS8231 TURBO CACHE-BASED 386/AT (82C301/307/303/304/305/306) c86...
**CS8232 CMOS 386/AT (82C301/302/303/304/305/306) c86...
**CS8233 PEAK/386 AT (Cached) (82C311/82C315/82C316) c:Dec90...
**CS8236 386/AT (82C301/2/3/4/5/6/206) c86...
**CS8237 TURBO CACHE-BASED 386/AT (82C301/7/3/4/5/6/206) c86...
**CS8238 CHIPS/280 & 281 (386 MCA)(82C321/322/325/223/226) c:Aug89...
**CS82310 PEAK/DM 386 AT (82C351/82C355/82C356) c91...
**CS8281 NEATsx (386SX) (82C811/812/215/206) c:Dec89...
**CS8283 LeAPset-sx (82C841/82C242/82C636) c:Mar90...
**CS8285 PEAKsx (82C836/82C835) c91...
**CS8288 CHIPSlite-sx (82C836/82C641/82C835) c?...
**CS4000 WinCHIPS (64200/84021/84025) c92...
**CS4021 ISA/486 (84021/84025) c92...
**CS4031 CHIPSet (84031/84035) 5/10/93...
**CS4041/5 CHIPSet (84041/84045) 2/10/95...
**CB8291 ELEAT [no datasheet] c90...
**CB8295 ELEATsx [no datasheet] c90...
**82C100 IBM PS/2 Model 30/Super XT ?...
**82C110 IBM PS/2 Model 30/Super XT ?...
**82C235 Single Chip AT (SCAT) c89...
**82C836 Single Chip 386sx (SCATsx) <91...
**F8680/A PC/CHIP Single-Chip PC c93...
**
**Support Chips:
**64200 (Wingine) High Performance 'Windows Engine' c:Oct91...
**82C206 Integrated Peripheral Controller c86...
**82C601/A Single Chip Peripheral Controller <08/30/90...
**82C607 Multifunction Controller <Jun88...
**82C710 Universal Peripheral Controller c:Aug90...
**82C711 Universal Peripheral Controller II c:Jan91...
**82C712 Universal Peripheral Controller II c:Jan91...
**82C721 Universal Peripheral Controller III c:May93...
**82C735 I/O Peripheral Controller With Printgine c:Jul93...
**82C835 Single CHIP 386sx AT Cache Controller c:Apr91...
**F87000 Multi-Mode Peripheral Chip 11/23/93...
**Other:...
**Disk:...
**Video:...
*Contaq . . . . . [no datasheets, some info]...
*Efar Microsystems [no datasheets, some info]...
*ETEQ...
*Faraday...
*Forex . . . . . . [List only, no datasheets found]...
*Intel...
**82489DX Advanced Programmable Interrupt Controller 10/12/92
***Notes:...
***Info:...
***Versions:...
***Features:...
**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...
**82C556M/7M/8E Viper-N+ Viper Notebook Chipset c:96
***Notes:...
***Info:...
***Configurations:...
***Features:...
**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...
**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...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...
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