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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...
**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
**Later Chipsets:
Info sourced from the very useful plasma-online.de:
http://www.plasma-online.de/index.html?content=http%3A//www.plasma-online.de/english/identify/picture/pcchips.html
Chipset name | OEM of | used on mainboard
---------------+---------------------------+-----------------------------------------
HX Pro | ALi M1521/M1523 |
SX Pro | SiS 530/5595 | M598
AGP Pro PC-100 | VIA VT82C598AT/VT82C596B | M577
TX AGP Pro | SiS 5591/5595/6326 |
TX Two | ALi M1531/M1543 |
TX Pro | ALi M1531/M1543 | M560, M575
TX Pro II | SiS 5597/5598 | M571
TX Pro III | VIA VT82C580VPX/VT82C586B | M573
TX Pro IV | SiS 5591/5592 | M570
Top Gun | ALi Aladdin IV+ | M565
VIA GRA | VIA VT8501/VT82C596B | M858LMR
VX Pro | VIA VT82C580VP/VT82C586B |
VX Pro + | VIA VT82C580VPX/VT82C586B |
VX Pro II | UTron / HiNT UT801X |
VX two | VIA VT82C580VP/VT82C586B | Amptron PM-8600A
VX two | VIA VT82C580VPX/VT82C586B | Amptron PM-8600B
BXToo | VIA Apollo Pro | M760V, M761V
BXToo | VIA VT82C693/VT82C686A | M767V
BXPro | SiS 600/5595 | M747
BXCel | ALi M1621/M1543 | M726, M729
BXpert | VIA VT82C691/VT82C596 |
BXTel | VIA Apollo Pro | M730
Xcel 2000 | SiS 620/5595 | M741LMRT
Super TX | SiS 5597/5598 | ASUS SP97-V, SP98-N, Jetway J-TX98R2
Super TX | ALi M1531/M1543 |
Super TX | ALi M1541/M1543 | Biostar M5ALA, M5ALC, Pionex MBD-P5ABx
Super TX3 | SiS 5571 |
Super TX4 AGP | |
GFXcel | SiS 630 |
GFXpro | ALi M1631/M1535D |
T-Bird | SiS730S | M810
---------------+---------------------------+----------------------------------------
*SIS...
**5595 Pentium PCI System I/O <12/24/97
***Notes:...
***Info:...
***Versions:...
***Features:
o Integrated PCI-to-ISA Bridge
− Translate s PCI Bus Cycles into ISA Bus Cycles.
− Translate s ISA Master or DMA Cycles into PCI Bus Cycles.
− Provide s a Dword Post Buffer for PCI to ISA Memory cycles.
− Two 32 bit Prefetch/Post Buffers Enhance the DMA and ISA
Master Performance.
− Fully Compliant to PCI 2.1.
o Supports both Desktop and Mobile Advanced Power Management Logic
− Meets ACPI 1.0 Requirements.
− Supports Both ACPI and Legacy PMU.
− Supports Suspend to RAM.
− Supports Suspend to Hard Disk.
− Optionally Tri−state ISA bus in low power state.
− Supports Battery Management and LB/LLB/AC Indicator.
− Supports CPU's SMM Mode Interface.
− Supports CPU Stop Clock.
− Supports Power Button of ACPI.
− Supports three system timers and SMI# watchdog timer.
− Supports Automatic Power Control.
− Supports Modem Ring−in, RTC Alarm Wake up.
− Supports Thermal Detection.
− Supports GPIOs, and GPOs for External Devices Control.
− Supports Programmable Chip Select.
− Supports PCI Bus Power Management Interface Spec. 1.0
− Supports Pentium II Sleep State.
o Enhanced DMA Functions
− 8-, 16- bit DMA Data Transfer.
− Two 8237A Compatible DMA Controllers with Seven Independent
Programmable Channels.
− Provide the Readability of the two 8237 Associated Registers.
− Support Distributed DMA.
− Support PC/PCI DMA.
− Per DMA channel programmable in legacy, DDMA or PC/PCI DMA mode
operation.
o Integrated Two 8259A Interrupt Controllers
− 14 Independently Programmable Channels for Level- or Edge-
triggered Interrupts.
− Provide the Readability of the two 8259A Associated Registers.
− Support Serial IRQ.
− Support the Reroutability for the PCI Interrupts.
o Three Programmable 16-bit Counters compatible with 8254
− System Timer Interrupt.
− Generate Refresh Request.
− Speaker Tone Output.
− Provide the Readability of the 8254 Associated Registers.
o Integrated Keyboard Controller
− Hardwired Logic Provides Instant Response.
− Supports PS/2 Mouse Interface.
− Supports Keyboard Password Security or Hot Key Power On
Function.
− Supports Hot Key "Sleep" Function.
− Programmable Enable and Disable for Keyboard Controller and
PS/2 Mouse.
o Integrated Real Time Clock(RTC) with 256B CMOS SRAM
− Supports ACPI Day of Month Alarm/Month Alarm.
− Supports various Power Up events, such as Button Up, Alarm Up,
Ring Up, GPIO5/PME0# Up, GPIO10/ PME1# Up, Password Security Up,
and Hotkey Up.
− Supports various Power Down Events, like Software Power-down,
Button Power-down, and ACPI S3 Power-down.
− Supports Power Supply ’98.
− Provides RTC year 2000 solution.
o Integrated Frequency Ratio Control Logic for Pentium II CPU
o Universal Serial Bus Host Controller
− Open HCI Host Controller with Root Hub.
− Two USB Ports.
− Supports Legacy Devices.
− Supports Over Current Detection.
o Integrated Hardware Monitor Logic
− Up to 5 Positive Voltage Monitoring Inputs.
− Two Fan Speed Monitoring Inputs.
− One Temperature Sensings.
− Supports thermister- or diode- temperature sensing for Pentium
II CPU.
− Threshold Comparison of all Monitored Values.
o Supports I2C Serial Bus/ SMBUS
o Supports 2MB Flash ROM Interface
o 208 pins PQFP Package
o 5V CMOS Technology
**950 LPC I/O <07/16/99...
**Other:...
**PII/III/Pro...
**Athlon etc...
*Symphony...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...
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