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Format of FAST! cache information (v5.00-5.03)

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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:
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

(FASTC) segment of first cache buffer
(FASTE) segment of EMS page frame
(FASTX XMS) XMS handle

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

???