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**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...
**
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**SL6012  Memory Mapper for PC-AT (74LS612 compatible)          <Jul87
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**SL9010  System Controller (80286/80386SX/DX, 16/20/25MHz)     <oct88...
**SL9020  Data Controller                                       <oct88...
**SL9025  Address Controller                                    <oct88...
**SL9090  Universal PC/AT Clock Chip                            <oct88...
**SL9250  Page Mode Memory Controller (16/20MHz 8MB Max)        <oct88...
**SL9350  Page Mode Memory Controller (16/20/25MHz 16MB Max)    <oct88...
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**W83877TF/TG/TD  WINBOND I/O (Multi I/O)                          c97
***Info:...
***Versions:...
***Features:
General
o  Plug & Play 1.0A Compliant
o  Support 8 IRQs (ISA), or 15 IRQs (Serial IRQ), 3 DMA channels, and 
   480 re-locatable address
o  Capable of ISA Bus IRQ Sharing
o  Compliant with Microsoft PC97 Hardware Design Guide
o  Support DPM (Device Power Management), ACPI
o  Report ACPI status interrupt by SCI signal from SCI pin, serial IRQ 
   IRQSER pin, or IRQ A~H pins
o  Single 24MHz/48MHZ clock input

FDC
o  Compatible with IBM PC AT disk drive systems
o  Variable write pre-compensation with track selectable capability
o  DMA enable logic
o  Support floppy disk drives and tape drives
o  Detects all overrun and underrun conditions
o  Built-in address mark detection circuit to simplify the read 
   electronics
o  FDD anti-virus functions with software write protect and FDD write 
   enable signal (write data signal was forced to be inactive)
o  Support up to four 3.5-inch or 5.25-inch floppy disk drives
o  Completely compatible with industry standard 82077
o  360K/720K/1.2M/1.44M/2.88M format; 250K, 300K, 500K, 1M, 2M bps 
   data transfer rate
o  Supports vertical recording format
o  Support 3-mode FDD, and its Win95 driver
o  16-byte data FIFOs

UART
o  Two high-speed 16550 compatible UARTs with 16-byte send/receive 
   FIFOs
o  MIDI compatible
o  Fully programmable serial-interface characteristics:
   - 5, 6, 7 or 8-bit characters
   - Even, odd or no parity bit generation/detection
   - 1, 1.5 or 2 stop bits generation
o  Internal diagnostic capabilities:
   - Loop-back controls for communications link fault isolation
   - Break, parity, overrun, framing error simulation
o  Programmable baud generator allows division of 1.8461 Mhz and 
   24 Mhz by 1 to (2^16-1)
o  Maximum baud rate up to 921k bps for 14.769 Mhz and 1.5M bps 
   for 24 Mhz

Infrared
o  Support IrDA version 1.0 SIR protocol with maximum baud rate up to 
   115.2K bps
o  Support SHARP ASK-IR protocol with maximum baud rate up to 57,600 
   bps

Parallel Port
o  Compatible with IBM parallel port
o  Support PS/2 compatible bi-directional parallel port
o  Support Enhanced Parallel Port (EPP) 
   − Compatible with IEEE 1284 specification
o  Support Extended Capabilities Port (ECP) 
   − Compatible with IEEE 1284 specification
o  Extension FDD mode supports disk drive B; and Extension 2FDD mode 
   supports disk drives A and B through parallel port
o  Enhanced printer port back-drive current protection

Others:
o  Programmable configuration settings
o  Immediate or automatic power-down mode for the power management
o  All hardware power-on settings have internal pull-up or pull-down 
   resistors as default value
o  Dedicated Infrared Communication Pins

Package
o  100-pin QFP (W83877TF/TG), and also 100-pin LQFP (W83877TD/TG)



**W83977F/G/AF/AG WINBOND I/O (Multi I/O)                          c97...
**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...
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