Compaq 4000N User Manual

Page 73

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Technical Reference Guide

Compaq Deskpro 4000N and 4000S Personal Computers

First Edition - September1997

4-31

Default Value = 00h

Bit

Function

7..5

Reserved

4

Primary Hard Drive Enable (Non-PCI IDE Controllers)
0 = Disable
1 = Enable

3..0

Reserved

Configuration Byte 2Ah, Hard Drive Timeout

Default Value = 02h

Bit

Function

7..5

Reserved

4..0

Hard Drive Timeout
00000 = Disabled
00001 = 1 minute
00010 = 2 minutes
.
.
10101 = 21 minutes

Configuration Byte 2Bh, System Inactivity Timeout

Default Value = 23h

Bit

Function

7

Reserved

6,5

Power Conservation Boot
00 = Reserved
01 = PC on
10 = PC off
11 = Reserved

4..0

System Inactive Timeout. (Index to SIT system timeout record)
00000 = Disabled

Configuration Byte 2Ch, ScreenSave and NUMLOCK Control

Default Value = 00h

Bit

Function

7

Reserved

6

Numlock Control
0 = Numlock off at power on
1 = Numlock on at power on

5

Screen Blank Control:
0 = No screen blank
1 = Screen blank w/QuickLock

4..0

ScreenSave Timeout. (Index to SIT monitor timeout record)
000000 = Disabled

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