Acer 650 manual AC Adaptor, System Power Management, Memory Address Map

AC Adaptor

Item	Specification
Model number	Lite-On PA-1750-02CA (PFC), 3pins
	Delta ADP-75FB BA (PFC), 3pins
Input rating	90VAC to 264VAC, 47Hz to 63Hz
Output rating	75W, 19V (18.8V, min to 20V, max), 4A (0A, min to 4A, max)

System Power Management

ACPI mode	Power Management
Mech. Off (G3)	All devices in the system are turned off completely.
Soft Off (G2/S5)	OS initiated shutdown. All devices in the system are turned off
	completely.
Working (G0/S0)	Individual devices such as the CPU and hard disk may be power
	managed in this state.
Suspend to RAM (S3)	CPU set power down
	VGA Suspend
	PCMCIA Suspend
	Audio Power Down
	Hard Disk Power Down
	CD-ROM Power Down
	Super I/O Low Power mode
Save to Disk (S4)	Also called Hibernate state. System saves all system states and
	data onto the disk prior to power off the whole system.

Memory Address Map

Memory Address	Size	Function
00100000h-000F0000h	512 KB	System BIOS
000CFFFFh-000C0000h		VGA BIOS
00009FFFFh-00000000h	640KB	Conventional memory

I/O Address Map

I/O Address	Function
000-00F	DMA controller-1
020-021	Interrupt controller-1
040-043	Timer 1
060, 064	Keyboard controller 87570 chip select
061	System speaker
000-00F	DMA controller-1
020-021	Interrupt controller-1
040-043	Timer 1
060, 064	Keyboard controller NS87591 chip select
070-073	Real-time clock and CMOS
0A0-0A1	Interrupt controller-2
0C0-0DF	DMA controller-2
066, 062	ACPI EC interface (NS87591)
170-177	Secondary IDE channel

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