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**????? (Profusion) c:99
Chips:
Memory Access Controller (MAC)
Data Interface Buffer (DIB)
CPUs: 8x P-III Xeon Oct
DRAM Types: SDRAM PC100 2-way Interleave dual channel
Max Mem: 32GB
ECC/Parity: ECC
AGP speed: N/A
Bus Speed: 100
PCI Clock/Bus: 1/3 PCI-66/64
**800 series...
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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] ?...
**
**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...
*VLSI...
*Western Digital...
**WD8110 System controller for 80386DX/486 <11/30/93
***Notes:...
***Info:...
***Configurations:...
***Features:
o Interfaces with 80486SX, 80486SXLP, 80486DX, 80386SX and 80386DX
CPU's
o Operates at up to 33 MHz at 3.3 volts or 5 volts with the
80486SX/DX
o Operates at up to 33 MHz with the 80386SX/DX
o Supports single and double clock 80486SX/DX and Intel SL Enhanced
processors.
DRAM control:
o Page Mode word interleaved, DRAM controller with support for 80486
burst mode.
o Supports 3-2-2-2 clock sequence, 9 CLKs with 16-byte line fill for
a page hit DRAM read cycle at 33 MHz.
o Optional 3-1-1-1 clock sequence, 6 CLKs with 16-byte line fill for
static column mode DRAMs at CPU speeds of 16 MHz and 20 MHz
o Zero Wait State writes at 16 MHz and 20 MHz to DRAMS for
80486SX/DX
o One Wait State writes to DRAMs for 80386SX/DX
o One Wait State reads from DRAMs for Page Hit access for 80386SX/DX
o Supports memory in five DRAM banks for a maximum of 256 Mbytes,
using 256Kbit, 1 Mbit, 4 Mbit and 16 Mbit DRAMs and special DRAMs
such as 512K by 9, 1M by 18 and 2M by 9.
o Supports major DRAM standards, including Asymmetrical DRAMs Static
Column DRAMs and 88-pin DRAM cards.
o Self-adjusting output drivers minimize output rise/fall time
variations and reduce EMI and ground noise.
o DRAM address multiplexer capable of driving 450 pF with adjustable
strength drivers.
o Features CAS before RAS refresh and slow refresh for low power.
o Supports slow refresh and self refresh DRAMs at 120 us.
o I/O mapping for board testability
o 32-bit direct interface with internal parity generation and
checking with no DRAM data buffers required.
Power Management:
o Low power 0.9 micron CMOS technology
o Provides power control with suspend and resume mode operations.
o 3 volt suspend to hard disk and Hibernation.
o Sleep Mode provides:
- Stop clock for static CPU for power saving.
- Processor power down.
o Provides automatic processor clock switching for 80386.
o Automatic CPU speedup (AutoFast).
- Clock Scaling
- Clock Throttling
o Supports multiple CPU speeds.
o Supports System Management Interrupt (SMI) for efficient power
management.
o Provides peripheral and I/O power control with trapping on I/O
address ranges for SMI operations.
o Supports a fully programmable 16-bit decode.
o Provides System Activity Monitor (SAM) for power management.
o Stop DMA clock.
o 3.3V low voltage operation with on-chip translators for 5 volt AT
bus
(split rail operation).
o 3 volt and 5 volt mixed mode.
Chip Set Features:
o High speed DMA.
o Three fully programmable chip selects with PMC timers.
o Built in Immunizer for virus protection.
o Connects directly to the AT Data Bus SD(15:00).
o Supports a Video Local Bus Interface (VLBI) for a 32-bit Video
Graphic Array (VGA) interface.
o Bank switched BIOS ROM up to 512 KB.
**
**Support Chips:
**WD76C20x Floppy, RTC, IDE and Support Logic Device <11/25/91...
**WD76C30x Perip. Ctrl, Interrupt Multiplex, and Clock Gen <11/18/91...
**WD7615 Desktop Buffer Manager <04/15/92...
**WD7625 Desktop Buffer Manager <10/01/92...
**WD8120LV Super I/O [no datasheet] ?
**Other Chips:...
*Winbond...
*ZyMOS...
*General Sources:...
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