Compaq 4000N User Manual

Page 75

Advertising
background image

Technical Reference Guide

Compaq Deskpro 4000N and 4000S Personal Computers

First Edition - September1997

4-33

Configuration Byte 35h, APM Status Flags

Default Value = 11h

Bit

Function

7..6

Power Conservation State:
00 = Ready
01 = Standby
10 = Suspend
11 = Off

5,4

Reserved

3

32-bit Connection:
0 = Disconnected, 1 = Connected

2

16-bit Connection
0 = Disconnected, 1 = Connected

1

Real Mode Connection
0 = Disconnected, 1 = Connected

0

Power Management Enable:
0 = Disabled
1 = Enabled

Configuration Byte 36h, ECC POST Test Single Bit Errors

Default Value = 01h

Bit

Function

7

Row 7 Error Detect

6

Row 6 Error Detect

5

Row 5 Error Detect

4

Row 4 Error Detect

3

Row 3 Error Detect

2

Row 2 Error Detect

1

Row 1 Error Detect

0

Row 0 Error Detect

0 = No single bit error detected.
1 = Single bit error detected.

Configuration Byte 37h-3Fh, Power-On Password

These eight locations hold the power-on password.

Configuration Byte 40h, Miscellaneous Disk Data

Configuration Bytes 41h-44h, Hood Removal Time Stamp

These four bytes record the time at which the hood of the system was removed:
Byte 41h, month & day
Byte 42h, year and month
Byte 43h, minutes and seconds
Byte 44h, removal flag and minutes

Advertising
This manual is related to the following products: