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**82340SX Chip Set (VLSI) (82343/82344) 01/25/89
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82350 EISA Chip Set 07/10/89...
**82350DT EISA Chip Set 04/22/91...
**82420TX/ZX PCIset (for 486) TX (Saturn), ZX (Saturn II) c:Nov92...
**82420EX PCIset (for 486) EX (Aries) (82425EX/82426EX) <Dec94
***Notes:...
***Info:
The 82420EX PCIset is the foundation for the Value Flexible
Motherboard solution for entry-level Intel486 processor-based PCI
systems. The Value Flexible Motherboard solution, including 82420EX,
Intel486 processor, 82091AA Advanced Integrated Peripherals, 82C42
Keyboard Controller, Flash BIOS, and Plug & Play software, drives PCI
into the mainstream. The 82420EX PCIset is a highly integrated
solution enabling low cost, small form factor motherboard designs. All
Intel486 processors and upgrades are supported, including L1
write-back and Intel SMM power management. PCI Local Bus IDE is
incorporated for higher performance IDE at no additional cost.
The 82420EX was designed from the ground up for PCI performance. It
consists of two components - the 82425EX PCI System Controller (PSC)
and the 82426EX ISA Bridge (IB). The PSC integrates the L2 cache
controller and the DRAM controller. The cache controller supports both
write-through and write-back cache policies and cache sizes from 64
KBytes to 512 KBytes in an interleaved or non-interleaved
configuration. The DRAM controller interfaces main memory to the Host
Bus and the PCI Bus. The PSC supports a two-way interleaved DRAM
organization for optimum performance. Up to ten single-sided SIMMs or
four double-sided and two single-sided SIMMs provide a maximum of 128
MBytes of main memory. The PSC provides memory write posting to PCI
for enhanced CPU-to-PCI memory write performance. In addition, the PSC
provides a high performance PCI Local Bus IDE interface.
The IB is the bridge between the ISA Bus and Host Bus, and integrates
the common I/O functions found in today’s ISA-based PC systems - a
seven channel DMA controller, two 82C59 interrupt controllers, an 8254
timer/counter, Intel SMM power management support, and control logic
for NMI generation. The IB also provides the decode for external BIOS,
real time clock, and keyboard controller. Edge/Level interrupts and
interrupt steering are supported for PCI plug and play compatibility.
The IB integrates the ISA address and data path, reducing TTL and
system cost. In addition, the integration of system clock generation
logic eliminates the need for external host and PCI clock drivers.
***Configurations:...
***Features:
o Host CPU
- 25-33 MHz Intel486 and OverDrive Processors
- L1 Write-Back Support
o Integrated DRAM Controller
- 1 to 128 MByte Main Memory
- 70 ns Fast Page Mode DRAM SIMMs Supported
- Supports 256 KByte, 1 MByte, and 4 MByte Double and Single Sided
SIMMs
- Read Page Hit Timing of 3-2-2-2 at 33 MHz
- Burst Mode PCI Master Accesses
- Decoupled Refresh Reduces DRAM Latency
- Five RAS Lines
o Integrated L2 Cache Controller
- Write-Back and Write-Through Cache Policies
- Direct Mapped Organization
- 64, 128, 256 or 512 KByte Cache Sizes
- Programmable Zero Walt-State L2 Cache Read and Write Accesses
- Two Banks Interleaved or a Single Bank Non-Interleaved Operation
- No VALID Bit Required
o 25/33 MHz PCI Bus Interface
- Two Bus Masters
- PCI Auto Configuration Support
o Host/PCI Bridge
- Converts Back-to-Back Sequential Memory Writes to PCI Burst
Writes
- CPU Memory Write Posting to PCI
o PCI Local Bus IDE Interface
- Supports Mode 3 Timing
o Programmable Attribute Map for First 1 MByte of Main Memory
o 100% ISA Compatible
- Directly Drives 5 ISA Slots
o Two 8237 DMA Controllers
- 7 DMA Channels
- 27-bit Addressability
- Compatible DMA Transfers
o One 82C54 Timer/Counter
- System Timer
- Refresh Request
- Speaker Tone
o Two 82C59 Interrupt Controllers
- 14 Interrupts
- Edge/Level Sense Is Programmable per Channel
- PCI Interrupt Steering for Plug and Play Compatibility
o X-Bus Peripheral Support
- RTC, KBC, BIOS Chip Selects
- Control for Lower X-Bus Transceiver
- Integrates Mouse Interrupt
- Coprocessor Error Reporting
o Non-Maskable Interrupts (NMI)
- PCI System Errors
- Main Memory Parity Errors
- ISA Parity Errors
o System Power Management (Intel SMM Support)
- Programmable System Management Interrupt (SMI)-Hardware Events,
Software Events, EXTSMI#
- Programmable CPU Clock Control
- Fast on/off Mode
o Generates System Clocks
o 160-Pin QFP Package for IB
o 208-Pin QFP Package for PSC
**82430LX PCIset (Pentium) LX (Mercury) (82433LX/82434LX) 03/22/93...
**82430NX PCIset (Pentium) NX (Neptune) (82433NX/82434NX) Mar94...
**82430FX PCIset (Pentium) FX (Triton I) (82437FX/82438FX)01/31/95...
**82430MX PCIset (Pentium) MX (Mobile Triton)(82437/438MX)11/01/95...
**82430HX PCIset (Pentium) HX (Triton II) (82439HX) 02/12/96...
**82430VX PCIset (Pentium) VX (Triton II) (82437VX/82438) 02/12/96...
**82430TX PCIset (Pentium) TX (Triton II) (82439TX) 02/17/97...
**82450KX/GX PCIset (Pentium Pro) KX/GX (Mars/Orion) 11/01/95...
**
**Support Chips:
**82091AA Advanced Interface Peripheral (AIP) c93...
**8289 Bus Arbiter (808x) c79...
**82289 Bus Arbiter for iAPX 286 Processor Family c83...
**82258 Advanced Direct Memory Access Coprocessor(ADMA) 01/01/84...
**82335 High-Integration Interface Device For 386SX c:Nov88...
**82360SL I/O Subsystem 10/05/90...
**82370 Integrated System Peripheral (for 82376) c:Oct88...
**82371FB/SB PCI ISA IDE Xcelerator 82371FB/82371SB (PIIX/3) 01/31/95...
**82371MX Mobile PCI I/O IDE Xcelerator (MPIIX) 11/01/95...
**82371AB PCI-TO-ISA / IDE Xcelerator 82371AB (PIIX4) 02/17/97...
**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
***Notes:...
***Info:...
***Versions:...
***Features:...
**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...
**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...
**82C895 System/Power Management Controller (cached) c:Sep94
***Notes:...
***Info:...
***Configurations:...
***Features:...
**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)...
*UMC...
*Unresearched:...
*VIA...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
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