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Chapter 1 29
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