Toshiba Satellite 1700 Series, Maintenance Manual

Page: 125 / 156

3 Tests and Diagnostics 3.8 KB-BIOS command support with SYSTEM-BIOS
Satellite 1700 Series Maintenance Manual 3-37
Note1:
Bit7/6: 0/0 -> battery standby without Ac
0/1 -> battery discharge
1/0 -> battery standby with Ac
1/1 -> battery charging
Bit5=1 -> battery exist
Bit4=1 -> battery full
Bit3=1 -> battery OVT
Bit2=1 -> battery bad cell
Bit1=1 -> battery in low status
Bit0=1 -> battery in critical Low state
Note2:
Bit7=1 -> battery exist
Bit6-0: battery capacity
3.8.4 Command set E1h-EFh for access System Management Bus through
Port60/64
E1h: Get alarm
Return: Byte0=The SMBus address of the originator of the alarm
Byte1=The least significant byte of the alarm message data
Byte2=The most significant byte of the alarm message data
E2h: Write Word
2nd pram: SMBus destination address
3rd pram: SMBus command register
4th pram: Least significant byte of command parameter
5th pram: Most significant byte of command parameter
Return: 0=success, 1=fail
E3h: Read Word
2nd pram: SMBus destination address
3rd pram: SMBus command register
Return: Byte0= Least significant byte of received parameter
Byte1= Most significant byte of received parameter
Byte2= success (0) /fail (1)
E4h: Write Block
2nd pram: SMBus destination address
3rd pram: SMBus command register
4th pram: Number of byte in parameter block
5th pram to N pram: Parameter block of specified number of bytes
Return: 0=success, 1=fail