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*ACC Micro...
**ACC2036 Single Chip Solution 2036 (286/386SX) <Jul92
***Info:...
***Configurations:...
***Features:
o 100% hardware and software compatible with the IBM PC/AT
o Fully compatible with
Intel 8237 DMA controller
Intel 8259 interrupt controller
Intel 8254 timer/counter
Intel 82284 clock generator
Intel 82288 bus controller
Tl 74L8612 memory mapper
ACC 82021 AT chipset
o Functions include
7 DMA channels
3 timer /counter channels
14 external interrupt channels
Advanced memory controller
Power management features
o Supports 286 and 3868X micro- processors with up to 33 MHz system
clock
o Supports 287 and 387SX coprocessors
o 4-way or 2-way page interleaved memory controller
o Direct Access Memory Controller
o Supports EMS 4.0
o Shadow RAM for BIOS and video
o Simultaneous EMS and shadow RAM
o Supports up to 512K EPROM
o Supports single 8-bit EPROM
o Supports 64Kx1, 256Kx1, 256Kx4, 1Mx1, 1Mx4, 4M x1 DRAM memories up
to 16 MB
o Supports up to 8 banks of Memory
o Supports mixed type of DRAM memories from one bank to another
o On board 128K-64oK RAM can be disabled
o Speed change via hardware or software
o Supports dynamic remapping of 640K through 1M memory range
o Supports pipelined mode operation
o Programmable wait states for ROM
o Built-in bus conversion logic for 16-bit to 8-bit transfers
o Quick software switch from protected mode to real mode for OS/2
optimization
o Programmable I/O address decoder
o Supports standby mode operation at as low as 1MHz
o Power-saving features:
Selectable operating frequency.
Unused RAS lines can be shutoff.
Optional slow DRAM refresh.
Detect video display activities.
CLKSER and CLK8042 can be shut off.
o Data and address buffers
o Parity bit can be disabled
o 1.0/0.8 micron high performance CMOS technology
o 208-pin PQFP package
**ACC2046/ST 486DX/486SX/386DX Single Chip AT <Jul92...
**ACC2048 WB 486 Notebook/Embedded Single Chip [no datasheet] ?...
**ACC2051/NT PCI Single Chip Solution for Notebook Applications c96...
**ACC2056 ?Pentium 3.3V Notebook [no datasheet]<Jan96...
**ACC2057 PCI Notebook/Embedded Single Chip [no datasheet]<Aug96...
**ACC2066NT 486 Notebook/Embedded Single Chip [no datasheet] ?...
**ACC2086 486 VL-based System Super Chip Soluti[no datasheet] ?...
**ACC2087 Enhanced Super Chip (486 Single Chip) <Aug96...
**ACC2089 486 PCI-based System Super Chip [no datasheet] ?...
**ACC2168/GT 32-bit 486 Green System Single Chip [no datasheet] ?...
**ACC2178A 32-bit 486 Green System Single Chip [no datasheet] ?...
**ACC2268 ?486 [no datasheet] ?...
**ACC???? Maple/Maple-133 486-System-On-Chip [no datasheet] ?...
**
**Support Chips:
**ACC2016 Buffer and MUX Logic c96...
**ACC2020 Power Management Chip c92...
**ACC5500 Multifunction I/O Control Chip for PS2 Model 50/60 c88...
**
**Other chips...
*ALD...
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*AMD . . . . . . . [no datasheets, some info]...
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*Contaq . . . . . [no datasheets, some info]...
*Efar Microsystems [no datasheets, some info]...
*ETEQ...
*Faraday...
*Forex . . . . . . [List only, no datasheets found]...
*Intel...
**450NX (?) 06/29/98:
Chips:
[82454NX] (PXB) [82453NX] (MUX)
[82452NX] (RCG) [82451NX] (MIOC)
[82371EB] (PIIX4E),
CPUs: Single/Dual/Quad P-II Xeon/P-III Xeon
DRAM Types: FPM EDO 2-way Interleave 4-way Interleave
Mem Rows: 8
DRAM Density: 16Mbit 64Mbit
Max Mem: 8GB
ECC/Parity: Both
AGP speed: N/A
Bus Speed: 100
PCI Clock/Bus: 1/3
**????? (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)...
**TACT82411 Snake Single-Chip AT Controller c90
***Notes:...
***Info:
The new Texas Instruments single chip TACT82411 contains the system
logic and most of the peripheral functions needed to build a 12-20 MHz
80286-based computer that is 100% compatible with the IBM PC-AT. Only
seven logic components plus memory, CPU, and coprocessor are required
to complete an 80286 system board. The chip also supports system
boards which use the 80386SX. The TACT82411 is packaged in a 208-pin
quad flat pack (QFP).
Because the TACT82411 is manufactured with TI's 1-micron EPIC CMOS
technology, it provides a high level of integration and high-speed
state-of-the-art performance at relatively low power consumption. This
combination permits systems that are smaller, lighter, and more
sophisticated, but with lower power consumption - an ideal comab-
ination for portable, battery-powered systems such as laptop com-
puters. Another benefit of high-integration is increased reliability
due to fewer board connections. In addition, product cost is reduced
because new system design and testing are simplified.
Redesign of existing multi-chip or discrete 80286 system boards is
easy and cost-effective because of the straightforward and flexible
structure of the TACT82411 chip. System boards which were originally
designed to operate at 12/16 MHz can be easily upgraded to operate at
20 MHz. Non-PC applications using the 80286, such as instrument con-
trol, automobiles, and medical equipment, can also benefit by using
the TACT82411 chip. Architectural variations can be easily implemented
for special-purpose systems such as LAN-based diskless workstations
and PC-based portable test equipment.
***Configurations:...
***Features:...
**TACT82S411 Snake+ Single-Chip AT Controller [no datasheet] c91...
**TACT83000 AT 'Tiger' Chip Set (386) c89...
**TACT84500 AT Chip Set (486, EISA) [no datasheet, some info] c91...
**Other:...
*UMC...
*Unresearched:...
*VIA...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...
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