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**M1521/23       Aladdin III       50-66MHz                     <Nov96
***Info:...
***Configurations:
M1521 System Controller
M1523 PCI-to-ISA Bridge

M1521 + M1523

There  is  an updated  version  of the  M1523  called  the M1523B.  It
supports Distributed DMA, Serialized IRQ and USB.

The datasheet for the M1543C states that it can be used with the M1521
***Features:...
**M1531/33/43    Aladdin IV & IV+  50-83.3MHz                <05/28/97...
**M1541/42/33/43 Aladdin V & V+    50-100MHz                         ?...
**M1561/43/35D   Aladdin 7 ArtX    [no datasheet, some info]  11/08/99...
**M6117          386SX Single Chip PC                              <97...
**
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**M1535/D        South Bridge                                        ?...
**
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**82495DX/490DX DX CPU-Cache Chip Set                           <Sep91
***Notes:
date source: none direct, however:
InfoWorld Jan 20, 1992 p98 - Compaq Deskpro 486/50L 
mentions it has this chip
Network World Sep 2, 1991 p20 - Advert for new Compaq Deskpro 486/50L
mentions 256K cache
so assumed to be sometime before sept 1991.


Information taken from: 82495DX.pdf (Oct '92)

***Info:...
***Configurations:...
***Features:...
**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...
**
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**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99...
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**SL9350  Page Mode Memory Controller (16/20/25MHz 16MB Max)    <oct88
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