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**M6117 386SX Single Chip PC <97
***Notes:...
***Info:...
***Versions:...
***Features:
o Static Intel 386SX compatible Core
- Operating Power Supply 5.0V
- Operating frequency 25Mhz to 40Mhz
o Memory Controller
- Supports EDO DRAM
- Supports on board memory size up to 16M bytes for 386SX or 64M
bytes upgrade system using 256K, 512K, 1M, 4M or 16M SIMMs
- Supports up to 4-bank DRAM interface
- Page interleave DRAM access for FP mode
- Programmable shadow RAM from A to B segment in 128K byte and C
to F segment in 32K byte unit
- Provides "RAS only" refresh or "CAS before RAS” refresh types
- Parity generation and checking
o Peripheral Interface
- Includes 2 cascaded 8237 DMA controllers
- Includes 1 74612 memory mapper
- Includes 2 cascaded 8259 interrupt controllers
- Includes 1 8254 programming counter
o ISA Interface
- Executes cycles for requests from CPU, DMA and ISA bus master
- Assembles or de-assembles data for multiple bus cycle or
unmatched data width
- Generates refresh signals to ISA slots during DRAM refresh
cycles
o Built-in RTC
- Internal Real Time Clock that provides 128 byte CMOS RAM
o Programmable 2 channels chip select
- Provide chip select for memory or I/O device without external
address decode random logic
o Built-In PS2/AT Keyboard Controller
- Internal PS2/AT keyboard controller and mouse
o PMU interface
- Supports CPU SMM mode, SMI feature
- Supports APM control
- Provides External Suspend mode switch
- Provides four (4) system states for power saving (On, Doze,
Standby, Suspend)
- Supports RTC alarm wake up control
o Expandable GPI/O signals
- Provides sixteen External power control input and output signals
- Provides sixteen independent pin for general purpose input and
output signals
o Watchdog timer
- When timer times out , a system reset or NMI or IRQ happens
o IDE interface
- Provides a decoder for external IDE connection
o Packaging
- 208-pin PQFP package
**
**Support Chips:
**M1535/D South Bridge ?...
**
**May not exist:...
**Later Chipsets:
***PII...
***Athlon...
**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...
**82485 Turbo Cache (and 485Turbocache) c90
***Notes:...
***Info:...
***Versions:...
***Features:...
**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
***Notes:...
***Info:...
***Configurations:...
***Features:...
**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...
*Unresearched:...
*VIA...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...
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