Compaq Evo D500 Technical Reference Manual page 86

Chapter 4 System Support
Configuration Byte 29h, Miscellaneous Configuration Data
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 (index to SIT timeout record)
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
Compaq Deskpro and Evo Personal Computers
4-30
Featuring Intel Celeron and Pentium III Processors
Fifth Edition – March 2002