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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...
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*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
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**5501/5502/5503 Pentium/P54C PCI/ISA Chipset <04/02/95
***Info:...
***Configurations:...
***Features:...
**5511/5512/5513 Pentium PCI/ISA <06/14/95...
**5571 (Trinity) Pentium PCI/ISA Chipset (75MHz) <12/09/96...
**5581/5582 (Jessie) Pentium PCI/ISA Chipset (75MHz) <04/15/97...
**5591/5592/5595 (David) Pentium PCI A.G.P. Chipset <01/09/98...
**5596/5513 (Genesis) Pentium PCI Chipset <03/26/96...
**5597/5598 (Jedi) Pentium PCI/ISA Chipset <04/15/97...
**530/5595 (Sinbad) Host, PCI, 3D Graphics & Mem. Ctrl.<11/10/98...
**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...
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*Western Digital...
**WD76C30x Perip. Ctrl, Interrupt Multiplex, and Clock Gen <11/18/91
***Notes:...
***Info:
GENERAL
The WD76C30/LV device provides three functional groups. It is a Per-
ipheral Controller, Interrupt Multiplexer, and Clock Generator.
The low power CMOS WD76C30/LV is a single device solution which
provides interrupt multiplexing logic, clock generation, two serial
ports, and one bidirectional parallel port.
Interrupt multiplexing logic interfaces the PC/AT interrupt request
lines with the WD76C10 Single Chip AT Controller.
Integrated clock generation circuitry uses the 48 MHz input signal to
generate the 1.8462, 3.072, and 8.0 MHz clocks used internally for the
two serial ports, a 9.6 MHz Signal used for the keyboard controller
and floppy controller, a programmable duty/frequency clock for the
80287 coprocessor, and a 16 MHz clock for driving the WD76C10 Single
Chip AT Controller, and floppy controller.
For low power implementations such as laptops, oscillator disable and
sleep modes are available to power down unused logic.
The bidirectional parallel port is software configurable as either a
PC/AT or a PS/2 compatible port. The parallel port data lines and open
drain printer signals have high current drive capabilities.
Each ACE is programmable as either a WD16C550 or WD16C450 compatible
device. Each WD16C550 configured ACE is capable of buffering up to 16
bytes of data upon reception, relieving the CPU of interrupt
overhead. Buffering of data also allows greater latency time in
interrupt servicing which is vital in a multitasking environment. Each
ACE has a maximum recommended data rate of 512 Kbaud.
WD76C30/LV DIFFERENCES
Both the WD76C30 and WD76C30LV operate with two power supplies. The
WD76C30 logic is powered by a 5.0 volt supply, while the WD76C30LV
logic is powered by a 3.3 volt supply. The parallel and serial port
interfaces are only supported by the WD76C30.
PERIPHERAL CONTROLLER
The peripheral controller is functionally equivalent to the WD16C452/
552. The mode of operation of the serial ports and parallel port is
selectable via the Mode Select Register. Each serial port is
configurable as either a FIFO enhanced ACE (WD16C550 compatible) or a
standard ACE (WD16C450). The parallel port is configurable as either a
PS/2 bidirectional parallel port or a PC/AT compatible parallel port.
A detailed description of the Mode Selection Register is described in
the parallel port section.
***Versions:...
***Features:...
**WD7615 Desktop Buffer Manager <04/15/92...
**WD7625 Desktop Buffer Manager <10/01/92...
**WD8120LV Super I/O [no datasheet] ?
**Other Chips:
SYSTEMS LOGIC/PERIPHERAL DEVICES
WD16C451, WD16C551 - Enhanced Asynchronous Communications Element (ACE) with Parallel Port
WD16C452, WD16C552 - Dual Enhanced Asynchronous Communications Element (ACE)
WD16C550 Enhanced Asynchronous Communications Element (ACE) with FIFOs
WD76C10AlLP/LV ISA-Based System Controller for 80386SX and 80286 Desktop and Portable Compatibles
WD76C20/LV Floppy Disk Controller, Real Time Clock, IDE Interface, and Support Logic Device
WD76C30/LV Peripheral Controller, Interrupt Multiplexer, and Clock Generator Device
WD7710/LP ISA-Based System Controller with Cache for 80386SX and 80286 Desktop and Portable Compatibles
WD7910/LP ISA-Based System Controller with Cache for 80386SX and 80286 Desktop and Portable Compatibles
IMAGING DEVICES
ICS90C61A Dual Video/Memory Clock Generator
ICS90C63 Dual Video/Memory Clock Generator
ICS90C64 Dual Video/Memory Clock Generator
WD90C00 VGA Controller (8514/A clone, max 1MB, 1024x768x16, 800x600x256)
WD90C01 8514/A for laptops
WD90C10 VGA, 256KB
WD90C11, WD90C11A Enhanced VGA Controller (max 512KB, 1024x768x16, 800x600x256)
WD90C20, WD90C20A VGA Flat Panel Display Controller (800x600x16, 640x460x256, 32 shades gray)
WD90C22 VGA Flat Panel Display Controller (800x600x16, 640x460x256, 64 shades gray)
WD90C24/A/A2 SVGA, max 1MB, 1280x1024x16, 1024x768x16, LCD, VESA-LB, 3.3 or 5V
WD90C26 VGA Flat Panel Display Controller
WD90C30 High Performance Video Controller (max 1MB, 1024x768x256, 1024x768x16)
WD90C31 Accelerator Video Controller (max 1MB, 1024x768x256, 1280x1024x16)
WD90C33 Same as WD90C31 but with, max 2MB, VESA-LB, 1280x1024x256, 1280x1024x16)
WD90C55 VGA LCD Interface
WD90C56 VLBI (Video Local Bus Interface), for WD90C30/31, VESA not mentioned.
WD9710 Pipelined, 32bit core, 64bit RAM, 24bit RAMDAC, PCI/VLB
WD9712 similar to WD9710
STORAGE DEVICES
WD10C01A Winchester Disk Controller
WD10C27 Data Separator
WD33C92A Enhanced SCSI Bus Interface Controller
WD33C93B Enhanced SCSI Bus Interface Controller
WD33C95A, WD33C96A Enhanced Single-ended and Differential SCSI Bus Interface Controller
WD37C65C Floppy Disk Subsystem Controller Device
WD42C22C Winchester Disk Subsystem Controller Device
WD60C318 Optical Disk Drive Encoder/Decoder
WD60C40A Peripheral Cache Manager Device
WD60C80 Error Detection and Correction Chip (EDAC)
WD61C23A High Performance Hard Disk Controller
WD61C40A Peripheral Cache Manager Device
WD7000 ESDI Controller (16-bit ISA)
WD7193 Fast SCSI-II PCI adapter, 33C296A-ZX chip
WD7197 Fast Wide version of WD7193
WD7296A Fast Wide SCSI-II (PCI?), possibly WD34C296 chip
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