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30 IMP2B 3U cPCI Single Board Computer
Publication No. IMP2B-0HH/5
3.15.5
Device/Bus Information Register 2 – Offset 0x00000006
Table
3-13 Device/Bus Information Register 2
Bits
Mode
Description
Notes
3 to 0
Read only CompactPCI geographical address GA bit 4 (J2-A22) is not available
4
Read only System slot identifier
0 = Peripheral card
1 = System card
7 to 5
Reserved
10 to 8
Read only CPU bus speed
011 = Reserved
100 = Reserved
101 = Reserved
110 = 200 MHz
11
Read only CPU bus mode
0 = Reserved
1 = MPX mode
14 to 12
Read only TCLK bus speed
010 = Reserved
011 = Reserved
100 = 133 MHz (default)
15
Reserved
3.15.6
Configuration Register 1 – Offset 0x00000008
Table
3-14 Configuration Register 1
Bit Mode
Description
Notes
0
Read only
Flash Protection Password Visible Link
0 = Not fitted
1 = Fitted
1
Read only
Boot Flash Write Enable Link
2
Read only
User Flash Write Enable Link
3
Reserved
4
Read only
Select Alternate Boot Image Link
0 = Not fitted
1 = Fitted
5
Read only
Select Recovery Boot Image Link
6
Read only
Backplane Flash programming
0 = Disabled
1 = Enabled
7
Read only
BIT Fast Start
0 = Disabled
1 = Enabled
8
Read only
Spare Link 1
0 = Not fitted
1 = Fitted
9
Read only
NVRAM Write Enable Link
10
Read only
Force PMC 33 MHz Operation Link
11
Reserved
12
Read only
Reset was Watchdog
0 = Last reset not Watchdog
1 = Last reset was Watchdog (MV64560)
13
Read only
Reset was push-button switch
0 = Last reset not switch
1 = Last reset was switch (PRST)
14
Read only
Reset was backplane
0 = Last reset not backplane
1 = Last reset was backplane (cPCI Reset)
15
Read Only Reset was software
0 = Last reset not software
1 = Last reset was software (offset 0x40)