DIGITAL-LOGIC AG PCCP5 Manual V2.3
121
Function: SET POWERSAVE
Number: EDh
Description: Sets Powersave options.
Input Values: AH = EDh Function Request
AL 00 => LCD Powersave
BL Bit 2 LCD-VDD on/off NOT AVAILABLE
Bit 1 LCD-VEE on/off NOT AVAILABLE
Bit 0 LCD-Backl. on/off NOT AVAILABLE
01 => HD0 Powersave AVAILABLE
BL 0 The drive will immediately go to the Standby
mode.
1 The drive will immediately go to the active
mode.
2 The drive will immediately go to the standby
mode.
If the sector count registers is zero then the
timer will be disabled. If the sector count
register is non-zero the timer will be enabled
and initialized with the sector count value.
3 The drive will immediately go to the active
mode.If the sector count registers is zero
then the timer will be disabled. If the sector
count register is non-zero the timer will be
enabled and initialized with the sector count
value.
5 If the drive is in active mode, the sector count
registers will be set to 0FFh. If the drive is in,
going to, or recovering from the standby
mode, the sector count register will be set to
000h.
6 The drive enters the sleep mode. Either a
soft- or hardware reset is required to recover
from this mode. The drive will then go to the
standby mode.
02 => HD1 Powersave
BL Same as HD0 Powersave
Output Values: None, all registers are preserved
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