Format of FAST! cache information (v5.00-5.03):
Offset	Size	Description	)
 00h	WORD	binary version number of FAST! (v5.00 = 01F4h)
 02h	BYTE	revision letter (61h = X.XXa, 62h = X.XXb, etc.)
 03h	BYTE	FAST! variant
		(01h = FASTE, 02h = FASTX BIOS, 04h = FASTC, 20h = FASTX XMS)
 04h	DWORD	total number of read requests
 08h	DWORD	number of physical disk reads
 0Ch	DWORD	grabbed hash buckets
 10h	DWORD	"st_386mem"
 14h	DWORD	total number of writes (only counted when staging enabled)
 18h	DWORD	number of physical disk writes (only when staging enabled)
 1Ch	DWORD	number of write errors while flushing cache
 20h	WORD	flags1 (see #00294)
 22h	WORD	flags
		bit 0: ???
		bit 1: staged writes enabled
 24h	WORD	???
 26h	WORD	maximum cache size in KB
 28h	WORD	minimum cache size in KB
 2Ah	WORD	segment of first cache buffer (FASTC)
		segment of EMS page frame (FASTE)
		XMS handle (FASTX XMS)
 2Ch	WORD	number of hash buckets containing no entries
 2Eh	WORD	number of hash buckets containing one entry
 30h	WORD	number of hash buckets containing two entries
 32h	WORD	number of hash buckets containing three entries
 34h	WORD	number of hash buckets containing four entries
 36h	WORD	number of hash buckets containing five entries
 38h	WORD	maximum contiguous sectors
 3Ah	WORD	hash factor
 3Ch	WORD	number of paragraphs of memory used below 1M
 3Eh	WORD	entries per hash bucket
 40h	WORD	idle delay in seconds
 42h  2 BYTEs	???
 44h	WORD	staged write threshold percentage
 46h  2 BYTEs	???
 48h	WORD	number of dirty sectors
 4Ah	WORD	number of staged write buffers
 4Ch	WORD	current cache size in KB
 4Eh	WORD	beep frequency in Hz
 50h	WORD	???
 52h	WORD	???