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**M1207          286 Single Chip                  [no datasheet]     ?
***Notes:...
**M1217/M1209    386SX/SLC Single Chip (40MHz)    [no datasheet]   c91...
**M1219          386DX/486 ISA Cache? Single Chip [no datasheet]     ?
**M1419          386DX/486 ISA Cache  Single Chip [no datasheet]   c91
**Ml429/31/35    486 VLB/PCI/ISA      [no datasheet, some info] cOct93...
**M1439/31/45    486 VLB/PCI/ISA      [no datasheet, some info] <May95...
**M1489/87       FinALi-486 PCI Chipset                         <Feb95
***Info:...
***Configurations:...
***Features:
Supported CPUs
o   Supports AMD 486D4 and X5, Intel 486, P24T, P24D, DX4, SL-
    Enhanced, Cyrix M7, UMC U5 and AMD AM486DXL CPUs in 25, 33, 40, 
    50, 66, 100 and 133 MHz 3V/5V CPU interface
o   Supports CPU L1 writeback
o   Supports Cyrix's linear addressing

L2 Cache Controller
o   Write Back cache with standard SRAM
o   8 Tag Bit, always force Dirty or 7 Tag Bit, 1 Dirty bit
o   Supports cache size of 128K to 1M with 32KX8, 64Kx8, 128Kx8
o   Supports 2-1-1-1 read burst timing
o   Write hit 0 wait support

DRAM Controller
o   Supports 5V/3V EDO DRAM
o   Flexible DRAM type & Timing support
o   Supports up to 128M bytes, 4-bank DRAM size
o   Supports hidden refresh and RAS only normal refresh

Built in RTC & KBC
o   Built in 128 byte Real Time Clock (RTC) & MC14069
o   Built in Keyboard Controller (KBC) & 7406

Built in IDE Controller
o   Dedicated IDE pins, concurrent with PCI bus
o   4x32 bits Read-Ahead buffer and Write-Post buffer support
o   Supports through ATA PIO mode 3, 4 harddisk

PCI Local Bus
o   Synchronous 20, 25, 33 MHz PCI clock
o   Supports PCI rev 2.0 with 4 PCI devices, 3 slot PCI masters, 1 
    slot PCI slave
o   Supports 4 PCI interrupt steering input
o   Supports CPU to PCI 4 layer DWord write buffer
o   Supports PCI to memory 8 layer DWord write buffer
o   Supports PCI parity

Power Management
o   Deep Green SMM, SMI
o   Suspend switch support, Green mode state is LED indicated
o   CLKCTR for clock generator control

Process/Packing
o   M1489 0.6u, 208-pin PQFP
o   M1487 0.6u, 160-pin PQFP

**M????          Genie, Quad Pentium  [no datasheet, some info]    c95...
**M1451/49       Aladdin    (Pentium) [no datasheet]                 ?...
**M1511/12/13    Aladdin II (Pentium) [no datasheet, some info] >Apr95...
**M1521/23       Aladdin III       50-66MHz                     <Nov96...
**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...
**
**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...
**82396SX     Smart Cache                                     12/17/90
***Notes:...
***Info:...
***Versions:...
***Features:...
**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...
*Headland/G2...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
*Symphony...
*TI (Texas Instruments)...
*UMC...
**UM82C852     Multi I/O For XT                                    <91
***Info:...
***Versions:...
***Features:...
**UM82C206     Integrated Peripheral Controller                    <91...
**UM82c45x     Serial/Parallel chips                                 ?...
**Other chips:...
*Unresearched:...
*VIA...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...