Acer 1800 manual Mechanical Specification, Memory Address Map, VGA Bios

Mechanical Specification

Item		Specification
Dimensions	15.83” x 10.96” x1.61~1.77”
	402mm x 278.3mm x 41~45 mm
Weight	4.5Kb/9.9.lbs with 17” Wide LCD+DVD-ROM
I/O Ports	4 USB 2.0 ports, one VGA port, one TV-out , one build-in microphone ,
	microphone-in / Line-in port, Line out/headphone-out/speaker-out/
	SPDIf port, one IEEE 1394 port, one RJ-11 Jack, one RJ-45 Jack, one
	DC-Jack, 5-in-1 card reader slot (xD/SD/MMC/MS-Pro/SM), CIR, MCE
	receiver with USB outside device, Kensingtone Lock
Drive Bays	One
Material	Recycle plastic PC+ABS 94V0
Indicators	Power, Media activity, Battery charge, Wireless/Bluetooth
	communication, Caps lock, Pad lock, Num lock and Scroll lock
	indicators
Switch	Power switch
	Lid switch
	User define switch 1, 2
	Wireless ON/OFF switch
Memory Address Map
Memory Address		Size	Function
000E0000h-000FFFFFh		128KB	System BIOS
000C0000h-000CFFFFh		64KB	VGA BIOS
000A0000h-000BFFFFh		128KB	Video memory (VRAM)
00000000h-0009FFFFh		640KB	Conventional memory
I/O Address Map
I/O Address		Function
0000-001F		Direct memory access controller
0000-0CF7		PCI bus
0010-001F		Motherboard resources
0020-0021		Programmable interrupt controller
0024-0025		Motherboard resources
0028-0029		Motherboard resources
002C-002D		Motherboard resources
002E-002F		Motherboard resources
0030-0031		Motherboard resources
0034-0035		Motherboard resources
0038-0039		Motherboard resources
003C-003D		Motherboard resources
0040-0043		System timer
0050-0053		Systeme timer
0060-0060		Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
0061-0061		System speaker

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