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**82395SX Smart Cache 12/17/90
***Notes:...
**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...
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*UMC...
**UM82C*** (IBM/INTEL Direct replacement) c87
Note: Dates vary for when these chips were first available. Two
databooks have been used one from '86 the other from '91. Not all the
chips are listed in the '86 databook, the date of '87 is an
assumption.
PC/XT:
IBM: UMC: Desc:
Intel 8284 UM82C84A 25MHz CMOS Clock Generator and Driver
Intel 8288 UM82C88 Bus Controller
Intel 8259 UM8259A Programmable Interrupt Controller also UM82C59A-2 (CMOS version)
Intel 8237 UM8237A 3-5MHz Programmable DMA Controller (DMAC)
Intel 8253 UM8253*2 2.6-5MHz Programmable Interval Timer
Intel 8255 UM82C55A* Programmable Peripheral Interface
Note: * indicates: possible compatibility, datasheet does not state
explicitly. YMMV.
Note: *2 indicates: The UM8253 can be replaced with the
UM82C54/-2. The datasheet says it is a superset of the 8253, and
works up to 10MHz. Also it's compatible with the 8254. AT: IBM:
UMC: Desc: Intel 82284 UM82C284* 10-12.5MHz Clock Generator and
Ready Interface Intel 82288 UM82C288* 10-12.5MHz Bus Controller
Intel 8254 UM82C54/-2 8-10MHz CMOS Programmable Interval Timer
Intel 8259 UM8259A Programmable Interrupt Controller also
UM82C59A-2 (CMOS version) Intel 8237 UM8237A 3-5MHz Programmable
DMA Controller (DMAC) 74LS612 UM74HCT612* Memory Mapper MC146818
RTC UM82C6818* Real-Time Clock (RTC) Intel 8047 ?? Keyboard
Controller
Note: * indicates: possible compatibility, datasheet does not state
explicitly. YMMV.
**UM82C088 PC/XT Integration Chip <91...
**UM82C230 286AT MORTAR Chip Set <91...
**UM82C210 386SX/286 AT Chip Set <91...
**UM82C3xx Twinstar & UM82C336F/N & UM82C39x [no datasheet] ?...
**UM82C380 386 HEAT PC/AT Chip Set <91...
**UM82C480 386/486 PC Chip Set c91...
**UM82C493/491 ??????????????? [no datasheet] ?...
**UM8498/8496 486 VL Chipset "Super Energy Star Green"[no dsheet]c94...
**UM8881/8886 HB4 PCI Chipset "Super Energy Star Green"[no dsheet]c94...
**UM8890 Pentium chipset [no datasheet] ?
***Notes:...
***Configurations:...
**
**Support Chips:
**UM82152 Cache Controller (AUStek A38152 clone) <91...
**UM82C852 Multi I/O For XT <91...
**UM82C206 Integrated Peripheral Controller <91...
**UM82c45x Serial/Parallel chips ?...
**Other chips:...
*Unresearched:...
*VIA...
**VT82C590 Apollo VP2, VP2/97, Single-Chip Pentium 66MHz <01/10/97
***Info:
The VT82C590 Apollo-VP2 is a high performance, cost-effective and
energy efficient chip set for the implementation of PCI/ISA desktop
and notebook personal computer systems based on the 64-bit
Pentium/AMD5K86/AMD6K86/Cyrix6X86 super-scalar processors.
The Apollo-VP2 chip set consists of the VT82C595 system controller
(328 pin BGA) and the VT82C586B PCI to ISA bridge (208 pin PQFP). The
VT82C595 system controller provides superior performance between the
CPU, optional synchronous cache, DRAM and the PCI bus with pipelined,
burst and concurrent operation. For pipelined burst synchronous SRAMs,
3-1-1-1-1-1-1-1 timing can be achieved for both read and write
transactions at 66 Mhz. Four cache lines (16 quadwords) of CPU/cache
to DRAM write buffers with concurrent write-back capability are
included in the chip to speed up the cache read and write miss cycles.
The VT82C595 supports six banks of DRAMs up to 512KB. The DRAM
controller supports Standard Page Mode DRAM, EDO DRAM and Synchronous
DRAM in a flexible mix / match manner. The Synchronous DRAM interface
allows zero wait state bursting between the DRAM and the data buffers
at 66Mhz. The six banks of DRAM can be composed of an arbitrary
mixture of 1M / 2M / 4M / 8M / 16MxN DRAMs. Each bank may be populated
with either 32bit or 64bit data width. The DRAM controller also
supports optional ECC (single-bit error correction and multi-bit
detection) capability.
The VT82C595 supports 3.3 / 5V 32-bit PCI bus with 64-bit to 32-bit
data conversion. Five levels (doublewords) of post write buffers are
included to allow for concurrent CPU and PCI operation. Consecutive
CPU addresses are converted into burst PCI cycles with byte merging
capability for optimal CPU to PCI throughput. For PCI master
operation, forty-eight levels (doublewords) of post write buffers and
sixteen levels (doublewords) of prefetch buffers are included for
concurrent PCI bus and DRAM/cache accesses. The chipset also supports
enhanced PCI bus commands such as Memory-Read-Line, Memory-Read-
Multiple and Memory-Write-Invalid commands to minimize snoop
overhead. In addition, the chipset supports advanced features such as
snoop ahead, snoop filtering, L1 write-back forward to PCI master and
L1 write-back merged with PCI post write buffers to minimize PCI
master read latency and DRAM utilization. The VT82C586B PCI to ISA
bridge supports four levels (doublewords) of line buffers, type F DMA
transfers and delay transaction to allow efficient PCI bus utilization
and (PCI-2.1 compliant). The VT82C586B also includes an integrated
keyboard controller with PS2 mouse support, integrated DS12885 style
real time clock with extended 256 byte CMOS RAM, integrated master
mode enhanced IDE controller with full scatter and gather capability
and extension to UltraDMA-33 / ATA-33 for 33MB/sec transfer rate,
integrated USB interface with root hub and two function ports with
built-in physical layer transceivers, Distributed DMA support, and
OnNow / ACPI compliant advanced configuration and power management
interface. A complete main board can be implemented with only six
TTLs.
The VT82C590 chipset is ideal for high performance, high quality, high
energy efficient and high integration desktop and notebook PCI/ISA
computer systems.
***Configurations:...
***Features:...
**VT82C597/AT Apollo VP3, Single-Chip for Pentium with AGP <10/03/97...
**VT82C598MVP Apollo MVP3,Single-Chip 66/75/83/100MHz & AGP <09/22/97...
**VT8501 Apollo MVP4,Single-Chip 66-100MHz & AGP <11/04/98...
**VT82C680 Apollo P6, Pentium-Pro Chip Set <08/30/96...
**Support chips:
**VT82C505 Pentium/486 VL to PCI Bridge <05/30/94...
**VT82C586/A/B PCI Integrated Peripheral Controller <10/13/96...
**VT82C596/A Mobile PCI Integrated Peripheral Controller <11/05/97...
**VT82C686A/B PCI Super-I/O Integrated Peripheral Ctrl. <02/10/98...
**Later P-Pro/II/III/Celeron...
**Later AMD...
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