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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...
*Headland/G2...
**HT22          386SX/286 Single Chip (25 MHz)                 c:Sep91
***Info:
The HT22  is an  advanced PC/AT compatible,  single-chip 80386SX/80286
system  design solution.   This highly  integrated single  chip allows
simple, low  cost system design  options while featuring  high perfor-
mance,  low  power  consumption,  and  minimum  board  space  require-
ments. Advanced  memory management  features include support  for page
mode,  2 or  4-way interleaving  in both  pipelined  and non-pipelined
modes.  The EMS  4.0 hardware implementation features dual  sets of 32
registers   with  full   context  support   for   highest  performance
optimization  of  extended local  memory  accesses.   An advanced  EMS
hardware  write-protect option  has  been added  for  maximum EMS  4.0
compatibility. The HTZ2 supports 256K, 1M  and 4MB DRAMs in 1 by 1 and
1 by 4 device configurations for up to 20MB of on-board system memory.
16MB  is  addressed  directly   by  system  resources,  the  remainder
addressed by the EMS mode.

A flexible Shadow  RAM option for System and Video BIOS  as well as 8-
16-bit BIOS options adds to overall design versatility.

A  complete PC/AT  compatible  system with  advanced  features may  be
implemented with minimal external support logic. The HT22 performs all
CPU  and peripheral support  functions in  a single  chip.  Integrated
device  functions include  DMA Controllers,  a Memory  Mapper, Timers,
Counters, Interrupt  Controllers, a Bus Controller  and all supporting
circuitry for PC  core logic requirements. The chip  also contains all
the  necessary  address buffers,  data  transceivers, memory  drivers,
parity  checking   and  supporting  circuitry  for   a  complete  high
performance computer  solution.  An  asynchronous AT Bus  clock allows
for  a constant 8MHz  Bus clock  rate for  highest bus  device compat-
ibility as  defined in IEEE  Spec P996. This  device is packaged  in a
208-pin Plastic Quad Flat Pack.

***Configurations:...
***Features:...
**HT25          3-volt Core Logic for 386SX                    c:Dec92...
**HT35          Single-Chip Peripheral Controller [partial info]     ?...
**HTK320        386DX Chip Set                                 c:Sep91...
**HTK340        "Shasta" 486 Chip Set                          c:Jun92...
**Support Chips:
**HT44          Secondary Cache                                c:Jun92...
**Other:...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
**82C571/572     486/Pentium                                      c:93
***Notes:...
***Info:
The OPTi  design team  is proud to  present the 32-bit  486/Pentium AT
solution with  VESA Local bus. As  always, the product  emphasis is on
value.  The OPTi 82C571/572 chipset  is crafted to provide the highest
performance   but   most   cost-effective  system   solution   without
compromising quality, compatibility or reliability.

The 82C571/572 is a top-of-the-line solution for the server/power user
market. Flexibility of design without using the most expensive support
parts has  been given  key importance. This  ensures the  total system
cost to be  at the high-end 486 level - and  with upgradability to the
high-end Pentium performance.

The 82C571/572 has a state-of-the-art  cache controller for up to 2 MB
of Write-back cache support.  The DRAM controller also supports posted
writes  for faster performance  on write  cycles. The  OPTi 82C571/572
provides 486 PC power users the horsepower of the 64-bit Pentium at 60
MHz and 66 MHz as needed in the future.

***Configurations:...
***Features:...
**82C576/7/8     Viper Xpress  [no datasheet]                        ?...
**82C576/8/9     Viper XPress+ [no datasheet, some info]     <01/16/97...
**82C596/597     PTMAWB Pentium Adaptive Write-back (Cobra)       c:93...
**82C650/1/2     Discovery (Pentium Pro) [no datasheet]              ?...
**82C681/2/6/7   386/486WB EISA                                   c:92...
**82C683         386/486AWB EISA [no datasheet]                      ?...
**82C693/6/7     Pentium uP Write Back Cache EISA                 c:93...
**82C700         FireStar                                         c:97...
**82C701         FireStar Plus                                    c:97...
**82C750         Vendetta      [no datasheet]                        ?...
**82c801         SCWB2 DX Single Chip Solution                    c:92...
**82C802         SCWB2 PC/AT Single Chip [no datasheet]              ?...
**82C802G/GP     System/Power Management Controller (cached)      c:93...
**82C895         System/Power Management Controller (cached)   c:Sep94...
**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...
*General Sources:...