Int 15 Fn 5310  - Advanced Power Management V1.2 - Get Capabilities        [p]

   AX = 5310h
   BX = device ID (see #0400)
       0000h (APM BIOS)
       other reserved

Return: CF clear if successful
       BL = number of battery units supported (00h if no system batteries)
       CX = capabilities flags (see #0406)
   CF set on error
       AH = error code (01h,09h,86h) (see #0399)

Notes: this function is supported via the INT 15, 16-bit protected mode, and
     32-bit protected mode interfaces; it does not require that a
     connection be established prior to use
   this function will return the capabilities currently in effect, not
     any new settings which have been made but do not take effect until
     a system restart

See Also: AX=5300h,AX=530Fh,AX=5311h,AX=5312h,AX=5313h

Bitfields for APM v1.2 capabilities flags:
Bit(s) Description (Table 0406)
 0 can enter global standby state
 1 can enter global suspend state
 2 resume timer will wake up system from standby mode
 3 resume timer will wake up system from suspend mode
 4 Resume on Ring Indicator will wake up system from standby mode
 5 Resume on Ring Indicator will wake up system from suspend mode
 6 PCMCIA Ring Indicator will wake up system from standby mode
 7 PCMCIA Ring Indicator will wake up system from suspend mode