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**450NX (?) 06/29/98:
Chips:
[82454NX] (PXB) [82453NX] (MUX)
[82452NX] (RCG) [82451NX] (MIOC)
[82371EB] (PIIX4E),
CPUs: Single/Dual/Quad P-II Xeon/P-III Xeon
DRAM Types: FPM EDO 2-way Interleave 4-way Interleave
Mem Rows: 8
DRAM Density: 16Mbit 64Mbit
Max Mem: 8GB
ECC/Parity: Both
AGP speed: N/A
Bus Speed: 100
PCI Clock/Bus: 1/3
**????? (Profusion) c:99...
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*OPTi...
**82C700 FireStar c:97
***Info:...
***Configurations:...
***Features:...
**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...
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*Unresearched:...
*VIA...
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*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
***Info:...
***Versions:...
***Features:...
**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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