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**82495DX/490DX DX CPU-Cache Chip Set                           <Sep91
***Notes:...
***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...
**
**Later chipsets (basic spec):
**440 series:...
**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99...
**800 series
***810         (Whitney)       04/26/99...
***810L        (Whitney)       04/26/99...
***810-DC100   (Whitney)       04/26/99...
***810e        (Whitney)       09/27/99...
***810e2       (Whitney)       01/03/01...
***815         (Solano)        06/19/00...
***815e        (Solano-2)      06/19/00...
***815em       (Solano-?)      10/23/00...
***815ep       (Solano-3)      c:Nov'00...
***815p        (Solano-3)      c:Mar'01...
***815g        (Solano-3)      c:Sep'01...
***815eg       (Solano-3)      c:Sep'01...
***820         (Camino)        11/15/99...
***820e        (Camino-2)      06/05/00...
***830M        (Almador)       07/30/01...
***830MP       (Almador)       07/30/01...
***830MG       (Almador)       07/30/01...
***840         (Carmel)        10/25/99...
***845         (Brookdale)     09/10/01...
***845MP       (Brookdale-M)   03/04/02...
***845MZ       (Brookdale-M)   03/04/02...
***845E        (Brookdale-E)   05/20/02...
***845G        (Brookdale-G)   05/20/02...
***845GL       (Brookdale-GL)  05/20/02...
***845GE       (Brookdale-GE)  10/07/02...
***845PE       (Brookdale-PE)  10/07/02...
***845GV       (Brookdale-GV)  10/07/02...
***848P        (Breeds Hill)   c:Aug'03...
***850         (Tehama)        11/20/00...
***850E        (Tehama-E)      05/06/02...
***852GM       (Montara-GM)    01/14/03...
***852GMV      (Montara-GM)    ???...
***852PM       (Montara-GM)    06/11/03...
***852GME      (Montara-GM)    06/11/03...
***854         (?)             04/11/05...
***855GM       (Montara-GM)    03/12/03...
***855GME      (Montara-GM)    03/12/03...
***855PM       (Odem)          03/12/03...
***860         (Colusa)        05/21/01...
***865G        (Springdale)    05/21/03...
***865PE       (Springdale-PE) 05/21/03...
***865P        (Springdale-P)  05/21/03...
***865GV       (Springdale-GV) c:Sep'03...
***875P        (Canterwood)    04/14/03...
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**TACT82S411  Snake+ Single-Chip AT Controller [no datasheet]      c91
***Notes:...
**TACT83000   AT 'Tiger' Chip Set (386)                            c89...
**TACT84500   AT Chip Set (486, EISA) [no datasheet, some info]    c91...
**Other:...
*UMC...
*Unresearched:...
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*Western Digital...
**WD7625     Desktop Buffer Manager                          <10/01/92
***Info:...
***Versions:...
***Features:
ADDRESS BUFFER FEATURES
o   Allows WD7SC10A, WD7855, WD8110, WD7710, and WD7910 based designs 
    with WD7620/30 for laptop or notebook systems
o   Will work in three different power supply modes:
    - 3.3V only
    - 5V only
    - Mix mode 3.3V and 5V
o   Direct connect to AT Address Bus SA1:19 and LA17:23 with 24 mA 
    drive
o   Power Management Control (PMC) input MUX 
o   General purpose suspend/resume and power supply control logic
o   Fifteen-bit Power Management Control (PMC) output register and 
    control logic
o   Low power request and resume signal delay simplify the design of 
    the power supply
o   Watchdog timer for system idle detection
o   DRAM WE signal from WD7xc10 inversion and buffering
o   RESIN output generation from reset switch (RSTSW)
o   System Reset generation
o   Chip select decoding for registers in the WD7625LV Data Buffer 
    Function
o   144-pin SQFP package

DATA BUFFER FEATURES
o   Allows WD7SC10A, WD7855, WD7710, and WD7910 based designs with 
    WD7620/30 for laptop or notebook systems
o   Will work in three different power supply modes:
    - 3.3V only
    - 5V only
    - Mix mode 3.3V and 5V
o   Direct connection to AT data bus; 20K integrated pull-up for 
    SD(0:7)
o   Direct connection to IDE data bus
o   Two general purpose 8-bit I/O registers:
    - Register A
    - Register B
o   One general purpose 8-bit I/O Register C, with single bit 
    set/reset control
o   One general purpose 1-bit I/O Register Y0
o   One 4-bit general purpose input only Register Z
o   DRQ multiplexing plus 20K integrated pull-down
o   DACK demultiplexing
o   SMEMR, SMEMW signals plus 22K internal pull-up
o   144-pin SOFP package

**WD8120LV   Super I/O [no datasheet]                                ?
**Other Chips:...
*Winbond...
*ZyMOS...
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