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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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**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...
*Symphony...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
**VT82C686A/B PCI Super-I/O Integrated Peripheral Ctrl. <02/10/98
***Info:
****All:...
****VT82C686B only:...
****All:
standard.
The IDE controller is SFF-8038i v1.0 and Microsoft Windows-family
compliant.
b) Universal Serial Bus controller that is USB v1.1 and Universal HCI
v1.1 compliant. The VT82C686A includes the root hub with four
function ports with integrated physical layer transceivers. The USB
controller allows hot plug and play and isochronous peripherals to be
inserted into the system with universal driver support. The
controller also implements legacy keyboard and mouse support so that
legacy software can run transparently in a non-USB-aware operating
system environment.
c) Keyboard controller with PS2 mouse support.
d) Real Time Clock with 256 byte extended CMOS. In addition to the
standard ISA RTC functionality, the integrated RTC also includes the
date alarm, century field, and other enhancements for compatibility
with the ACPI standard.
e) Notebook-class power management functionality compliant with ACPI
and legacy APM requirements. Multiple sleep states (power-on suspend,
suspend-to-DRAM, and suspend-to-Disk) are supported with hardware
automatic wake-up. Additional functionality includes event
monitoring, CPU clock throttling and stop (Intel processor protocol),
PCI bus clock stop control, modular power, clock and leakage control,
hardware-based and software-based event handling, general purpose I/O,
chip select and external SMI.
f) Hardware monitoring subsystem for managing system / motherboard
voltage levels, temperatures, and fan speeds
g) Full System Management Bus (SMBus) interface.
h) Two 16550-compatible serial I/O ports with infrared communications
port option on the second port.
i) Integrated PCI-mastering dual full-duplex direct-sound AC97-
link-compatible sound system. Hardware soundblaster-pro and hardware-
assisted FM blocks are included for Windows DOS box and real-mode DOS
compatibility. Loopback capability is also implemented for directing
mixed audio streams into USB and 1394 speakers for high quality
digital audio.
j) Two game ports and one MIDI port
k) ECP/EPP-capable parallel port
l) Standard floppy disk drive interface
m) Distributed DMA capability for support of ISA legacy DMA over the
PCI bus. Serial IRQ is also supported for docking and non-docking
applications.
n) Plug and Play controller that allows complete steerability of all
PCI interrupts and internal interrupts / DMA channels to any interrupt
channel. One additional steerable interrupt channel is provided to
allow plug and play and reconfigurability of on-board peripherals for
Windows family compliance.
o) Internal I/O APIC (Advanced Programmable Interrupt Controller)
The VT82C686A also enhances the functionality of the standard ISA
peripherals. The integrated interrupt controller supports both edge
and level triggered interrupts channel by channel. The integrated DMA
controller supports type F DMA in addition to standard ISA DMA modes.
Compliant with the PCI-2.2 specification, the VT82C686A supports
delayed transactions and remote power management so that slower ISA
peripherals do not block the traffic of the PCI bus. Special
circuitry is built in to allow concurrent operation without causing
dead lock even in a PCI-to-PCI bridge environment. The chip also
includes eight levels (doublewords) of line buffers from the PCI bus
to the ISA bus to further enhance overall system performance.
***Versions:...
***Features:...
**Later P-Pro/II/III/Celeron...
**Later AMD...
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