Specification; Hardware - Gigabyte GA-486AM User Manual

GA-486AM
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2

SPECIFICATION

2.1 HARDWARE

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CPU
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COPROCESSOR
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SPEED
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GREEN FUNCTION
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DRAM MEMORY
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CACHE MEMORY
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SHADOW RAM
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IDE PORTS
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I/O PORTS
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I/O BUS SLOTS
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DIMENSION
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80486SX/DX/DX2/S-Series, 80487SX, OverDrive, P24D,
P24T, DX4.
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237 pins (Socket 3) ZIF white socket / LIF socket on
board.
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Coprocessor included in 80486DX.
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25 / 33 / 40 / 50 MHz system
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20-33 MHz PCI- bus speed.
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8 MHz (programmable) AT Bus speed.
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Hardware and Software speed switchable function.
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Power Down Timer from 0.25 min to 512 min.
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When enter Power Down Mode, 8 MHz system speed for
non S-Series and 0 MHz system speed for Intel & Cyrix S-
Series.
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Ext. Power Control Port for Monitor Power ON / OFF
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Support IDE Hard Disk Standby Mode control.
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Wake Up by all IRQ, DMA, and PCI Master Devices.
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Support Green LED Indicator and Green Switch.
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2 banks 72 pins SIMM module sockets on board.
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Use 1 / 2 / 4 / 8 / 16 / 32 MB 70 ns SIMM module DRAM.
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Support Fast Page DRAM access mode.
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8 KB cache memory included in 80486 DX / SX / DX2 /
SX2 and AMD DX4.
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16 KB cache memory included in INTEL DX4.
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128 / 256 / 512 KB / 1 MB 2nd cache memory on board.
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Support 486 Burst mode on 2nd cache memory access.
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Main BIOS shadow function programmable.
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Video BIOS shadow function programmable.
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Shadow RAM cacheable function programmable.
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2 Enhanced IDE channels on board.(Using IRQ14,15)
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Support Mode 3 IDE & ATAPI CD-ROM.
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Driver Support DOS, WINDOWS, OS/2, NT, Novell.
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Supports 2 16550 COM ports. (Using IRQ4,3)
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Supports 1 EPP/ECP LPT port. (Using DMA3 & IRQ7)
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Supports Floppy port. (Using DMA2 & IRQ6)
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4 AT-bus.
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3 PCI-bus.
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2/3 Baby AT size (22 cm x 25 cm).
2-1