VT8235 datasheet(79/145 Pages) VIA

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VT8235 V-Link South Bridge

Revision 1.22 October 24, 2002

-73-

Device 17 Function 0 Power Management Registers

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Offset 82 - ACPI Interrupt Select ....................................RW

ATX / AT Power Indicator

................................. RO

ATX

PSON (SUSC#) Gating

....................................... RO

During system on/off, this status bit reports whether

PSON gating state has been completed, 0 meaning

that gating is active now and 1 meaning that gating is

complete. Software should not access any CMOS or

Power-Well registers until this bit becomes 1 if

Rx81[2] = 1 (see register description on previous

page).

PSON Gating Active

PSON Gating Complete

Reserved

........................................ always reads 0

SUSC# AC-Power-On Default Value

................ RO

This bit is written at RTC Index 0D bit-7. If this bit

is 0, the system is configured to “default on” when

power is connected.

3-0

SCI Interrupt Assignment

This field determines the routing of the ACPI IRQ.

0000 Disabled................................................. default

0001 IRQ1

0010 Reserved

0011 IRQ3

0100 IRQ4

0101 IRQ5

0110 IRQ6

0111 IRQ7

1000 IRQ8

1001 IRQ9

1010 IRQ10

1011 IRQ11

1100 IRQ12

1101 IRQ13

1110 IRQ14

1111 IRQ15

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