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AH = 24h AL = number of sectors per block (2,4,8,16) DL = drive number (80h,81h)
Return:
CF clear if successful CF set onerror AH = status (see #00234 at AH=01h)
Desc: Specify how many sectors the controller should transfer as a group between operation-complete interrupts when using the Read Multiple and Write Multiple functions (AH=21h,AH=22h)
Notes: Set the number of sectors to 0 to disable multiple-transfer mode. The maximum value for the block size depends on the fixed disk drive type. The value is stored in byte 15h of the fixed disk drive parameter table that is created by POST.. The byte at address 0040h:0074h is set to status of operation.
See Also: AH=21h"PS/1" - AH=22h"PS/1" - AH=23h"PS/1" - AH=25h"PS/1"
Category: Disk I/O Enhancements - Int 13h - H
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