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**82371AB PCI-TO-ISA / IDE Xcelerator 82371AB (PIIX4) 02/17/97
***Notes:...
***Info:...
***Versions:...
***Features:
o Supported Kits for both Pentium and Pentium II Microprocessors
- 82430TX ISA Kit
- 82440LX ISA/DP Kit
o Multifunction PCI to ISA Bridge
- Supports PCI at 30 MHz and 33 MHz
- Supports PCI Rev 2.1 Specification
- Supports Full ISA or Extended I/O (EIO) Bus
- Supports Full Positive Decode or Subtractive Decode of PCI
- Supports ISA and EIO at 1/4 of PCI Frequency
o Supports both Mobile and Desktop Deep Green Environments
- 3.3V Operation with 5V Tolerant Buffers
- Ultra-low Power for Mobile Environments Support
- Power-On Suspend, Suspend to RAM, Suspend to Disk, and Soft-
OFF System States
- All Registers Readable and Restorable for Proper Resume
from 0.V Suspend
o Power Management Logic
- Global and Local Device Management
- Suspend and Resume Logic
- Supports Thermal Alarm
- Support for External Microcontroller
- Full Support for Advanced Configuration and Power Interface
(ACPI) Revision 1.0 Specification and OS Directed Power
Management
o Integrated IDE Controller
- Independent Timing of up to 4 Drives
- PIO Mode 4 and Bus Master IDE Transfers up to 14 Mbytes/sec
- Supports "Ultra DMA/33" Synchronous DMA Mode Transfers up to
33 Mbytes/sec
- Integrated 16 x 32-bit Buffer for IDE POI Burst Transfers
- Supports Glue-less "Swap-Bay" Option with Full Electrical
Isolation
o Enhanced DMA Controller
- Two 82C37 DMA Controllers
- Supports PCI DMA with 3 PC/PCI Channels and Distributed DMA
Protocols (Simultaneously)
- Fast Type-F DMA for Reduced PCI Bus Usage
o Interrupt Controller Based on Two 82C59
- 15 Interrupt Support
- Independently; Programmable for Edge/Level Sensitivity
- Supports Optional I/O APIC
- Serial Interrupt Input
o Timers Based on 82C54
- System Timer, Refresh Request, Speaker Tone Output
o USB
- Two USB 1.0 Ports for Serial Transfers at 12 or 1.5 Mbit/sec
- Supports Legacy Keyboard and Mouse Software with USB-based
Keyboard and Mouse
- Supports UHCI Design Guide
o SMBus
- Host Interface Allows CPU to Communicate Via SMBus
- Slave Interface Allows External SMBus Master to Control
Resume Events
o Real-Time Clock
- 256-byte Battery-Back CMOS SRAM
- Includes Date Alarm
- Two 8-byte Lockout Ranges
o Microsoft Win95 Compliant
o 324 mBGA Package
**82374/82375 PCI-EISA Bridge (82374EB/82375EB, 374SB/375SB) c:Mar93...
**82378 System I/O (SIO) (82378IB and 82378ZB) c:Mar93...
**82379AB System I/O-APIC (SIO.A) <Dec94...
**82380 32-bit DMA Controller w/ Integrated Peripherals 02/01/87...
**82380FB/AB PCIset: 82380FB Mobile PCI-to-PCI Bridge(MPCI2) 02/17/97...
**82384 Clock Generator and Reset Interface c86...
**82385 32-bit Cache Controller for 80386 09/29/87...
**82385SX 32-bit Cache Controller for 80386SX 01/25/89...
**82395DX High Performance Smart Cache 06/18/90...
**82395SX Smart Cache 12/17/90...
**82396SX Smart Cache 12/17/90...
**82485 Turbo Cache (and 485Turbocache) c90...
**82489DX Advanced Programmable Interrupt Controller 10/12/92...
**82495DX/490DX DX CPU-Cache Chip Set <Sep91...
**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...
**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
**82C802G/GP System/Power Management Controller (cached) c:93
***Notes:...
***Info:
The 82C802G/GP provides a highly integrated solution for fully
compatible, high performance PC/AT platforms. This chipset will
support 486SX/DX/DX2/DX4 and P24T microprocessors in the most cost
effective and power efficient designs available today. For power
users this chipset offers optimum performance for systems running up
to 50MHz.
Based fundamentally on OPTi’s proven 82C801 and 82C802 design
architectures, the 82C802G/GP adds additional memory configurations
and extensive power management control for the processor and other
motherboard components.
The 82C802G/GP supports the latest in write-back processor designs
from Intel, AMD, and Cyrix, as well as supporting the AT bus and VESA
local bus for compatibility and performance. It also includes an
82C206 Integrated Peripherals Controller (IPC), all in a single
208-pin PQFP (Plastic Quad Plat Pack) package for low cost.
Power Management Block
Figure 2-1 [see datasheet] exemplifies the flexibility of the
82C802G/GP/82C602 GREEN strategy. System designs can easily
accommodate both SLe and non-SLe CPUs. If an Intel non-SLe CPU is
used. SMI#, SMIACT#, and FLUSH# are no connects. One design can easily
accommodate both types of processors with minimal changes for
upgrades.
***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...
*SIS...
*Symphony...
*TI (Texas Instruments)...
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*Unresearched:...
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*Western Digital...
*Winbond...
*ZyMOS...
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