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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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**82C802G/GP System/Power Management Controller (cached) c:93
***Notes:...
***Info:...
***Configurations:...
***Features:...
**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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*UMC...
*Unresearched:...
*VIA...
**VT82C686A/B PCI Super-I/O Integrated Peripheral Ctrl. <02/10/98
***Info:...
***Versions:...
***Features:
****All:...
****VT82C686A...
****VT82C686B:...
****All:
o Integrated Super IO Controller
- Supports 2 serial ports, IR port, parallel port, and floppy disk
controller functions
- Two UARTs for Complete Serial Ports
Programmable character lengths (5,6,7,8)
Even, odd, stick or no parity bit generation and detection
Programmable baud rate generator
High speed baud rate (230Kbps, 460Kbps) support
Independent transmit/receiver FIFOs
Modem Control
Plug and play with 96 base IO address and 12 IRQ options
- Infrared-IrDA (HPSIR) and ASK (Amplitude Shift Keyed) IR port
multiplexed on COM2
- Multi-mode parallel port
Standard mode, ECP and EPP support
Plug and play with 192 base IO address, 12 IRQ and 4 DMA options
- Floppy Disk Controller
16 bytes of FIFO
Data rates up to 1Mbps
Perpendicular recording driver support
Two FDDs with drive swap support
Plug and play with 48 base IO address, 12 IRQ and 4 DMA options
o SoundBlaster Pro Hardware and Direct Sound Ready AC97 Digital
Audio Controller
- Dual full-duplex Direct Sound channels between system memory and
AC97 link
- PCI master interface with scatter / gather and bursting
capability
- 32 byte FIFO of each direct sound channel
- Host based sample rate converter and mixer
- Standard v1.0 or v2.0 AC97 Codec interface for single or
cascaded AC97 Codec's from multiple vendors
- Loopback capability for re-directing mixed audio streams into
USB and 1394 speakers
- Hardware SoundBlaster Pro for Windows DOS box and real-mode DOS
legacy compatibility
- Plug and play with 4 IRQ, 4 DMA, and 4 I/O space options for
SoundBlaster Pro and MIDI hardware
- Hardware assisted FM synthesis for legacy compatibility
- Direct two game ports and one MIDI port interface
- Complete software driver support for Windows-95/98/2000 and
Windows-NT
o Voltage, Temperature, Fan Speed Monitor and Controller
- Five positive voltage (one internal), three temperature (one
internal) and two fan-speed monitoring
- Programmable control, status, monitor and alarm for flexible
desktop management
- External thermister or internal bandgap temperature sensing
- Automatic clock throttling with integrated temperature sensing
- Internal core VCC voltage sensing
- Flexible external voltage sensing arrangement (any positive
supply and battery)
o Universal Serial Bus Controller
- USB v.1.1 and Intel Universal HCI v.1.1 compatible
- Eighteen level (doublewords) data FIFO with full scatter and
gather capability
- Root hub and four function ports
- Integrated physical layer transceivers with optional over-
current detection status on USB inputs
- Legacy keyboard and PS/2 mouse support
o System Management Bus Interface
- Host interface for processor communications
- Slave interface for external SMBus masters
o Sophisticated PC99-Compatible Mobile Power Management
- Supports both ACPI (Advanced Configuration and Power Interface)
and legacy (APM) power management
- ACPI v1.0 Compliant
- APM v1.2 Compliant
- CPU clock throttling and clock stop control for complete ACPI
C0 to C3 state support
- PCI bus clock run, Power Management Enable (PME) control, and
PCI/CPU clock generator stop control
- Supports multiple system suspend types: power-on suspends with
flexible CPU/PCI bus reset options, suspend to DRAM, and
suspend to disk (soft-off), all with hardware automatic wake-up
- Multiple suspend power plane controls and suspend status
indicators
- One idle timer, one peripheral timer and one general purpose
timer, plus 24/32-bit ACPI compliant timer
- Normal, doze, sleep, suspend and conserve modes
- Global and local device power control
- System event monitoring with two event classes
- Primary and secondary interrupt differentiation for individual
channels
- Dedicated input pins for power and sleep buttons, external
modem ring indicator, and notebook lid open/close for system
wake-up
- Up to 12 general purpose input ports and 23 output ports
- Multiple internal and external SMI sources for flexible power
management models
- One programmable chip select and one microcontroller chip
select
- Enhanced integrated real time clock (RTC) with date alarm,
month alarm, and century field
- Thermal alarm on either external or any combination of three
internal temperature sensing circuits
- Hot docking support
- I/O pad leakage control
o Plug and Play Controller
- PCI interrupts steerable to any interrupt channel
- Steerable interrupts for integrated peripheral controllers:
USB, floppy, serial, parallel, audio, soundblaster, MIDI
- Steerable DMA channels for integrated floppy, parallel, and
soundblaster pro controllers
- One additional steerable interrupt channel for on-board plug
and play devices
- Microsoft Windows 98, Windows NT, Windows 95 and plug and play
BIOS compliant
o Integrated I/O APIC (Advanced Peripheral Interrupt Controller)
(CG Silicon)
o Built-in NAND-tree pin scan test capability
o 0.35um, 3.3V, low power CMOS process
o Single chip 27x27 mm, 352 pin BGA
**Later P-Pro/II/III/Celeron...
**Later AMD...
**Other...
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