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**M1541/42/33/43 Aladdin V & V+    50-100MHz                         ?
***Info:
****M1541/1542 AGP/CPU-to-PCI bridge/Memory/Cache and Buffer Ctrl.:
Aladdin-V is the succeeding generation chipset of ALADDIN-IV from Acer
Labs. It  maintains the best system architecture  (2-chip solution) to
achieve  the  best system  performance  with  the  lowest system  cost
(TTL-free).  ALADDIN-V consists of two BGA chips to give the 586-class
system  a complete  solution with  most up-to-date  features  and arch-
itecture  for  the most  engaging  multimedia/  multithreading OS  and
software applications.  It utilizes  the modern BGA package to improve
the  AC characterization,  resolves  system bottleneck  and makes  the
system manufacturing easier.

M1541 includes the higher CPU  bus frequency (up to 100 MHz) interface
for  the incoming  Cyrix M2  and AMD  K6, PBSRAM  and Memory  Cache L2
controller,  internal MESI  tag bits  (16Kx2)and TAG  RAM  (16Kx10) to
reduce  cost and enhance  performance, high  performance FPM/EDO/SDRAM
DRAM controller,  PCI 2.1 compliant  bus interface, smart  deep buffer
design for  CPU-to- DRAM, CPU-to-PCI,  and PCI-to-DRAM to  achieve the
best  system  performance, and  also  the  highly  efficient PCI  fair
arbiter.  M1541 also  provides  the most  flexible  64-bit memory  bus
interface for the  best DRAM upgrade ability and  ECC/Parity design to
enhance the system reliability.

With the AGP  interface design, the dedicated PCI_66  AGP interface is
concurrent with  CPU and PCI interface.   The deep buffer  of the read
and write buffer design makes the utilization of memory bandwidth more
efficient. The interface supports  AGP specification V1.0. Supports up
to 64 entries of table look aside buffer for Graphic Address Remapping
Table (GART).  The interface not only supports the AGP 66MHz protocol,
but also the AGP 1X and 2X sideband address function.

With the concurrent bus design, PCI-to-PCI access can run concurrently
with  CPU-to-L2 and  CPU-to-DRAM  access, PCI-to-DRAM  access can  run
concurrently  with CPU-to-L2  access.  M1541 also  supports the  snoop
ahead  feature  to  achieve  the  PCI  master  full  bandwidth  access
(133Mbytes).  M1541  also   provides  the  enhanced  power  management
features including  ACPI support,  suspend DRAM refresh,  and internal
chip power control to support Microsoft On Now technology OS.

M1533  provides  the  best  power management  system  solution.  M1533
integrates  ACPI  support, deep  green  function, 2-channel  dedicated
Ultra-33   IDE  master  controller,   2-port  USB   controller,  SMBus
controller, and PS2 Keyboard/Mouse controller.

M1543  provides the  best desktop  system solution.   M1543 integrates
ACPI support, green function,  2-channel dedicated Ultra-33 IDE Master
controller,  2-port USB controller,  SMBus controller,  PS/2 Keyboard/
Mouse controller and  the Super I/O (Floppy Disk  Controller, 2 serial
port/1 parallel port) support.

In  the following diagram  [see datasheet],  ALADDIN-V gives  a highly
integrated system  solution and a most  up-to-date architecture, which
provides  the best  cost/performance system  solution for  Desktop and
also for Notebook vendors.

****M1543/C    PCI-to-ISA Bus Bridge with Super I/O & Fast IR:...
***Configurations:...
***Features:...
**M1561/43/35D   Aladdin 7 ArtX    [no datasheet, some info]  11/08/99...
**M6117          386SX Single Chip PC                              <97...
**
**Support Chips:
**M1535/D        South Bridge                                        ?...
**
**May not exist:...
**Later Chipsets:...
**Other:...
*AMD . . . . . . . [no datasheets, some info]...
*Chips & Technologies...
*Contaq  . . . . . [no datasheets, some info]...
*Efar Microsystems [no datasheets, some info]...
*ETEQ...
*Faraday...
*Forex . . . . . . [List only, no datasheets found]...
*Intel...
**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...
**800 series...
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*HMC (Hulon Microelectronics)...
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*Motorola...
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*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
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*Unresearched:...
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