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AX = 4404h BL = drive number (00h = default, 01h = A:, etc) CX = 0032h (length of data packet) DS:DX -> buffer for data packet (see #01535)
Return:
CF clear if successful AX = number of bytes actually transferred CF set on error AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h)
Program: COMBI-disk is a shareware combination cache and RAMdisk sharing a single pool of memory by Vadim V. Vlasov
InstallCheck:
Scan the valid drives for one which returns a correctly-sized data packet with the proper signature in the first field
See Also: AX=4405h"COMBI"
Index:
Installation check;COMBI-diskFormat of COMBI-disk data packet: Offset Size Description (Table 01535) 00h 6 BYTEs ASCIZ signature "COMBI" 06h WORD version (high byte = major, low = decimal minor version) 08h BYTE current options 09h BYTE sectors per allocation block 0Ah WORD maximum buffer in KB 0Ch WORD current buffer in KB (less than max if XMS memory being lent) 0Eh WORD total number of allocation blocks 10h WORD current number of allocation blocks 12h WORD number of blocks being used by RAM disk 14h WORD number of blocks being used by cache or unused 16h WORD number of dirty cache blocks 18h WORD number of blocks which could not be written out due to errors 1Ah WORD total number of read requests 1Ch WORD total number of sectors read 1Eh WORD number of BIOS read requests (cache misses) 20h WORD number of sectors read via BIOS (cache misses) 22h WORD total number of write requests 24h WORD total number of sectors written 26h WORD number of BIOS write requests 28h WORD number of sectors written via BIOS 2Ah WORD number of RAM disk read requests 2Ch WORD number of sectors read from RAM disk 2Eh WORD number of RAM disk write requests 30h WORD number of sectors written to RAM disk
Category: Caches/Spoolers - Int 21h - C
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