Specifications

smartModule Express SMX945 / BIOS
www.kontron.com 64
CMOS Map
Location Description
0Bh Status Register B
Bit 7 = Run/Halt
0 Run
1 Halt
Bit 6 = Periodic Timer
0 Disable
1 Enable
Bit 5 = Alarm Interrupt
0 Disable
1 Enable
Bit 4 = Update Ended Interrupt
0 Disable
1 Enable
Bit 3 = Square Wave Interrupt
0 Disable
1 Enable
Bit 2 = Calendar Format
0 BCD
1 Binary
Bit 1 = Time Format
0 12-Hour
1 24-Hour
Bit 0 = Daylight Savings Time
0 Disable
1 Enable
0Ch Status Register C
Bit 7 = Interrupt Flag
Bit 6 = Periodic Interrupt Flag
Bit 5 = Alarm Interrupt Flag
Bit 4 = Update Interrupt Flag
Bits 3-0 = Reserved
0Dh Status Register D
Bit 7 = Realtime Clock
0 Lost Power
1 Power
0Eh CMOS Location for Bad CMOS and Checksum Flags
Bit 7 = Flag for CMOS Lost Power
0 Power OK
1 Lost Power
Bit 6 = Flag for CMOS checksum bad
0 Checksum is valid
1 Checksum is bad
0Fh Shutdown Code
10h Diskette Drives
Bits 7-4 = Diskette Drive A
0000 = Not installed
0001 = Drive A = 360 kB
0010 = Drive A = 1.2MB
0011 = Drive A = 720 kB
0100 = Drive A = 1.44MB
0101 = Drive A = 2.88MB
Bits 3-0 = Diskette Drive B
0000 = Not installed
0001 = Drive B = 360 kB
0010 = Drive B = 1.2MB
0011 = Drive B = 720 kB
0100 = Drive B = 1.44MB
0101 = Drive B = 2.88MB
11h Reserved