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Chapter 4 System Support
Compaq iPAQ Family of Internet Devices
First Edition - March 2000
4-20
Configuration Byte 0Eh, Diagnostic Status
Default Value = 00h
This byte contains diagnostic status data.
Configuration Byte 0Fh, System Reset Code
Default Value = 00h
This byte contains the system reset code.
Configuration Byte 10h, Diskette Drive Type
Bit Function
7..4 Primary (Drive A) Diskette Drive Type
3..0 Secondary (Drive B) Diskette Drive Type
Valid values for bits <7..4> and bits <3..0>:
0000 = Not installed
0001 = 360-KB drive
0010 = 1.2-MB drive
0011 = 720-KB drive
0100 = 1.44-MB/1.25-MB drive
0110 = 2.88-MB drive
(all other values reserved)
Configuration Byte 12h, Hard Drive Type
Bit Function
7..4 Primary Controller 1, Hard Drive 1 Type:
0000 = none 1000 = Type 8
0001 = Type 1 1001 = Type 9
0010 = Type 2 1010 = Type 10
0011 = Type 3 1011 = Type 11
0100 = Type 4 1100 = Type 12
0101 = Type 5 1101 = Type 13
0110 = Type 6 1110 = Type 14
0111 = Type 7 1111 = other (use bytes 19h)
3..0 Primary Controller 1, Hard Drive 2 Type:
0000 = none 1000 = Type 8
0001 = Type 1 1001 = Type 9
0010 = Type 2 1010 = Type 10
0011 = Type 3 1011 = Type 11
0100 = Type 4 1100 = Type 12
0101 = Type 5 1101 = Type 13
0110 = Type 6 1110 = Type 14
0111 = Type 7 1111 = other (use bytes 1Ah)