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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...
**800 series...
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*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...
**W83977F/G/AF/AG WINBOND I/O (Multi I/O)                          c97
***Info:
GENERAL DESCRIPTION

This data sheet covers  two products: W83977F/G, and W83977AF/AG whose
pin assignment, and most of the functions are the same. W83977AF/AG is
an advanced version of W83977F/G featuring the FIR function.

W83977F/G,  W83977AF/AG  are  evolving  products from  Winbond’s  most
popular I/O chip  W83877F -- which integrates the  disk drive adapter,
serial  port  (UART),  IrDA   1.0  SIR,  parallel  port,  configurable
plug-and-play  registers  in one  chip  ---  plus additional  powerful
features: ACPI, 8042 keyboard controller with PS/2 mouse support, Real
Time  Clock,  14  general  purpose  I/O  ports,  full  16-bit  address
decoding, TV  remote IR (Consumer  IR, supporting NEC,  RC-5, extended
RC-5, and  RECS-80 protocols).  In addition,  W83977AF/AG provides the
functions of IrDA 1.1 (MIR for 1.152M bps or FIR for 4M bps).

The disk  drive adapter functions of W83977F/G,  W83977AF/AG include a
floppy  disk drive  controller compatible  with the  industry standard
82077/  765, data  separator, write  pre-compensation  circuit, decode
logic, data  rate selection, clock generator,  drive interface control
logic,  and  interrupt/  DMA   logic.  The  wide  range  of  functions
integrated onto the W83977F/G,  W83977AF/AG greatly reduces the number
of components  required for interfacing  with floppy disk  drives. The
W83977F/G, W83977AF/AG supports up to four 360K, 720K, 1.2M, 1.44M, or
2.88M disk drives  and data transfer rates of 250  Kb/s, 300 Kb/s, 500
Kb/s,1 Mb/s, and 2 Mb/s.

The W83977F/G, W83977AF/AG provide two high-speed serial communication
ports (UARTs),  one of  which supports serial  Infrared communication.
Each UART  includes a 16-byte  send/receive FIFO, a  programmable baud
rate  generator, complete  modem control  capability, and  a processor
interrupt  system. Both  UARTs  provide legacy  speed  with baud  rate
115.2k and provide advanced speed  with baud rate 230k, 460k, and 921k
bps  which support  higher speed  modems.  W83977AF/AG  alone provides
independent 3rd UART (32-byte FIFO) dedicated for IR function.

The  W83977F/G, W83977AF/AG  supports one  PC-compatible  printer port
(SPP), Bi-directional  Printer port  (BPP) and also  Enhanced Parallel
Port (EPP)  and Extended Capabilities Port (ECP).  Through the printer
port  interface  pins, also  available  are:  Extension  FDD Mode  and
Extension 2FDD Mode allowing one or two external floppy disk drives to
be connected.

The   configuration  registers   support   mode  selection,   function
enable/disable,  and power down  function selection.  Furthermore, the
configurable  PnP  features  are  compatible  with  the  plug-and-play
feature demand of Windows 95TM, which makes system resource allocation
more efficient than ever.

W83977F/G,  W83977AF/AG  provides  functions  that  comply  with  ACPI
(Advanced Configuration  and Power Interface),  which includes support
of  legacy and  ACPI  power  management through  SMI  or SCI  function
pins. W83977F/G, W83977AF/AG also  has auto power management to reduce
power consumption.

The keyboard  controller is based  on 8042 compatible  instruction set
with a 2K Byte programmable ROM and a 256-Byte RAM bank. Keyboard BIOS
firmware is available with  optional AMIKEY-2, Phoenix MultiKey/42, or
customer code.

The  W83977F/G, W83977AF/AG  provides a  set of  flexible  I/O control
functions to the system designer  through a set of General Purpose I/O
ports. These GPIO ports may serve as simple I/O or may be individually
configured to provide a pre-defined alternate function.

W83977F/G,  W83977AF/AG is made  to fully  comply with  Microsoft PC97
Hardware Design Guide. IRQs, DMAs, and I/O space resource are flexible
to adjust to meet ISA PnP requirement. Full 16-bit address decoding is
also  provided. Moreover W83977F/G,  W83977AF/AG is  made to  meet the
specification of PC97‘s requirement  in the power management: ACPI and
DPM (Device Power Management).

***Versions:...
***Features:...
**W83977TF        WINBOND I/O (Multi I/O)                          c97...
**W83977EF        WINBOND I/O (Multi I/O)                          <98...
**W83977ATF       WINBOND I/O (Multi I/O)                          <98...
**
**Disk Controller:
**W83759/A/F/AF   Advanced VL-IDE Disk Controller                  <96...
**W83769          Local Bus IDE Solution                           <94...
**
**UARTS:
**W86C250A  UART (equivalent of INS8C250A) [no datasheet]
**W86C450/P Universal Asynchronous Receiver/Transmitter         <Jul89...
**W86C451   I/O controller for IBM PC/AT/XT                     <Jul89...
**W86C452   I/O controller for IBM PC/AT                         Jul89...
**W86C456   I/O controller [no datasheet]                            ?
**W860551/P UART with FIFO and Printer Port Controller             <94...
**
**Other:...
*ZyMOS...
*General Sources:...

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