Bios-Cmos Mai - Panasonic TOUGHBOOK CF-45 Series Service Manual

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3.4 BIOS - CMOS Map
Name Adr ibeinald deta Description
ATG 00h |. Time | Time. | Time seconds in BCD
ATC Oth } 99h Not Alarm seconds in BCD
Touch
RTC 02h | Time | Time | Time minutes in BCD.
RTC 03h | 99h Not Alarm minutes in BCD
Touch
ATC 04h | Time | Time |Time hours in BCD
RTC O05h-{ 99h Not Alarm hours in BCD
: Touch
RTC 2 06h.) Date | Date | Day-of week (Sunday=1) in BCD
RIC O7h | Date |.Date | Day of month in BCD
RIC 08h | Date | Date {Month in BCD
RTC 09h | Date | Date | Year (Two digits) in BCD
RTC status register A OAh | Auto | Auto | Bit7: Update in progress
= Bit4-6: 22-Stage Divider
BitO-3: Rate selection bits
RTC status register B OBh | Auto | Auto | Bit7: Set
(Alarm) Bit6: Periodic interrupt enable
Bit5: Alarm interrupt enable a
Bit4: Update-ended interrupt enable
Bit3; Square wave enabled
Bit2; Date mode
Bit1: 24-hour mode
BitO: Daylight-saving time enabled
ATC status register C OCh | Auto | Auto | Bit7: Interrupt request flag
(Flags) Bit6: Periodic interrupt flag
Bit5: Alarm interrupt flag
Bit4: Update-ended interrupt flag
BitO-3: (Reserved)
RTC status register D ODh
Battery)
Post status OEh
Bit6=1: Checksum error
BitS=1: Configuration error
Bit4=1; Memory size error
Shutdown status OFh {| 00h 00h
Diskette status 10h..| 40h 40h Bit7-4: Diskette drive A
=0000b: Drive not present
=0001b: 360KB 5.25-inch drive, 40 tracks
=0010b: 1.2MB 5.25-inch drive, 80 tracks
=0011b: 720KB 3.5-inch drive, 80 tracks
=0100b: 1.44MB 3.5-inch drive, 80 tracks
=0110b: 2.88MB 3.5-inch drive, 80 tracks
=0111b-111 ib: Reserved for future use
Bit0-3: Diskette drive B
Cache Video Rom Ath | 00h och i t
Cache Option Roms Biti; Cache option ROM enable (Reserved)
BitO: Cache Video ROM enable (Reserved)
Hard Disk 0 Type 12h | OFOh | OFOh | Drive type of drive 0
Note: ff this value is FFh, it means extended drive type see address
19h.