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The EQ82C661X PCI mainboard is a high-performance AT form-factor
system board that supports P54C/P55C family CPUs. You can order
512K of external cache memory on the mainboard. The mainboard is
fully compatible with industry standards, and adds many technical
enhancements.
Key Features
¥ CPU
Ñ Supports P54C/P55C family CPUs running at 90~200 MHz
speeds; Cyrix/IBM CPUs running at PR120 + ~PR200 + speeds;
and AMD K5/K6 CPUs running at PR75 ~ PR233 speeds
Ñ Two kinds of mainboards are available: one is the Normal edition
which supports above listed CPUs and the other is the IBM CPU
attached edition which supports the IBM 6x86 P200 + CPU only
Supports SOCKET 7 for upgrade
Ñ
Ñ Supports P54C/P55C series SMM Mode and CPU Stop Clock
¥ L2 Cache Controller
Ñ Write Back Cache Modes and Direct Mapped Organization
Ñ On-board 512K Pipeline Burst SRAMs Cache
¥ DRAM Controller
Ñ Supports FPM/EDO/Burst EDO/Synchronous Ð DRAM
Ñ Supports 1 stripsof 8/16/32 MB Unbuffered DIMMs
Ñ On-board memory configurations from 4 to 256 Mbytes
Ñ Supports ÒTable-FreeÓ DRAM configuration in any SIMM bank
¥ BUS Controller
Ñ Compliant to PCI specifications v2.1
Ñ Three 32-bit PCI slots (Masters) and four ISA slots, 4-layer PCB
Ñ Supports Universal Serial Bus Ñ USB
¥ Peripheral Controller
Ñ System BIOS built-in NCR805 SCSI Card BIOS and ÒPlug and
PlayÓ function
Ñ On-board built-in PCI Master IDE controller and floppy controller
Ñ On-board supports for two high speed UARTS (w/i 16550 FIFO),
one ECP/EPP/SPP compatible parallel port, and one PS/2 mouse
port
Ñ On-board supports FLASH Memory for easy upgrade BIOS
1 Introduction
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