SECTION 6
Conversions and Interfaces
6-82 PEN*KEY
R
6200/6300 Hand-Held Computer Programmer’s Reference Guide
INT 15h, Function AX = 530Dh: Enable/Disable Device Power Management
NORAPM
Enables or disables APM BIOS automatic power management for a specified
device. When disabled, the APM BIOS does not automatically powerĆmanage
the device. The only automatic power management that the BIOS does with
devices is during Suspend. If power management of a device is disabled, during
Suspend the power state of the device is not altered from the state set before
Suspend was entered.
On Entry:
AH = 53h
AL = 0Dh
BX = Power device ID (See definitions, page 6Ć78)
CX = Function code
0000h Disable
0001h Enable
On Return:
If successful:
Carry = 0
If NOT successful:
Carry = 1
AH = Error code: (09h Unrecognized device ID)
INT 15h, Function AX = 530Eh: Return Driver Version, APM v1.1
NORAPM
Returns the version number of the device driver.
On Entry:
AH = 53h
AL = 0Eh
BX = 0000h (Device ID of system BIOS)
CH = APM driver major version (BCD)
CL = APM driver minor version (BCD)
On Return:
If successful:
Carry = 0
AH = (Input value of CH)
AL = (Input value of CL)
If NOT successful:
Carry = 1
AH = Error code:
05h Interface not connected
09h Unrecognized device ID
0Bh Not engaged
6. Conversions and
Interfaces
