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Compaq 4000N User Manual

Page 70

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Chapter 4 System Support

Compaq Deskpro 4000N and 4000S Personal Computers

First Edition - September 1997

4-28

Configuration Byte 13h, Security Functions

Default Value = 00h

Bit

Function

7

Reserved

6

QuickBlank Enable After Standby:
0 = Disable
1 = Enable

5

Administrator Password:
0 = Not present
1 = Present

4

Reserved

3

Diskette Boot Enable:
0 = Enable
1 = Disable

2

QuickLock Enable:
0 = Disable
1 = Enable

1

Network Server Mode/Security Lock Override:
0 = Disable
1 = Enable

0

Password State (Set by BIOS at Power-up)
0 = Not set
1 = Set

Configuration Byte 14h, Equipment Installed

Default Value (standard configuration) = 03h

Bit

Function

7,6

No. of Diskette Drives Installed:
00 = 1 drive 10 = 3 drives
01 = 2 drives 11 = 4 drives

5..2

Reserved

1

Coprocessor Present
0 = Coprocessor not installed
1 = Coprocessor installed

0

Diskette Drives Present
0 = No diskette drives installed
1 = Diskette drive(s) installed

Configuration Bytes 15h and 16h, Base Memory Size

Default Value = 280h

Bytes 15h and 16h hold a 16-bit value that specifies the base memory size in increments of 1-KB
(1024) bytes. Valid base memory sizes are 512-KB and 640-KB.

Configuration Bytes 17h and 18h, Extended Memory Size

Bytes 17h and 18h hold a 16-bit value that specifies the extended memory size in increments of
1-KB (1024) bytes.

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