Texas Instruments 5000 - Manual (Page 268)

Returns:
AH = Error Code
00h = No Error
01h = Invalid Parameter
02h = No Modem
BL = System inactivity timeout (in minutes)
CL = Video inactivity timeout (in minutes)
DH = Modem State
00h = Turned modem Off
01h = Turned modem On
FFh = Didn’t modify state
DL = Fixed Disk inactivity timeout (in minutes)
CY = Set on Error (see AH)
F.4 Function 46h - Subfunction 03h
Get/Set Battery Status
Gets and sets various information about the battery. This function is fully
implemented by BatteryPro. The BIOS always returns with BL = 1 (one
battery installed), no matter what request type is made.
Call with:
AH = 46h
AL = 03h
BH = Request Type
00h = Set Battery Count
01h = Set Battery Level
02h = Set Low Battery Warning Time
03h = Set Critical Low Battery Warning Enabled
04h = Set Battery Auto Full Enabled
05h = Set View Mode
06h = Set Normalized Full Battery Indication Number
0Fh = Set All Values to Defaults
80h = Get Battery Count
81h = Get Battery Level
82h = Get Low Battery Warning Time
83h = Get Critical Low Battery Warning Enabled
84h = Get Battery Auto Full Enabled
85h = Get View Mode
86h = Get Normalized Full Battery Indication Number
BL = Battery Parameter (if called with BH = 0Xh)
Added Interrupt 15 Functions F-3