COMMELL FS-961 - Manual (Page 16)

2.5 Embedded Solid State Flash Disk
The board supports both of CompactFlash and DOM (DiskOnModule)
embedded flash disk. The onboard CompactFlash socket supports the
IDE-based, driver free and bootable CFC (CompactFlash Card) with jumper
selectable Master / Slave mode on primary IDE channel. The IDE port also
supports DOM (DiskOnModule) or M-systems DiskOnChip IDE Pro flash disk
with jumper selectable Vcc power input for power cable free DOM on
secondary IDE port.
2.5.1 CompactFlash Mode Setting
Jumper: JCFSEL
Type: onboard 3-pin header
JCFSEL CompactFlash Mode (IDE1)
1-2 Master
2-3 Slave
Default setting
JCFSEL
1
JDOM
2.5.2 DiskOnModule or DiskOnChip 2000 IDE Pro
Jumper: JDOM
Type: onboard 2-pin header
JDOM DiskOnModule Power Setting
OFF (Open) Normal (without Vcc on pin-20 of IDE2)
ON (Close) DOM (with Vcc on pin-20 of IDE2)
Default setting
FS-961 User’s Manual 16