Instruction Manual

503 Series Industrial Grade CompactFlash Card Product Manual v2.1Cactus Technologies
®
53
Command Code
Device State
Normal WP WP w/ password WP Permanent
12 Go to WP state No eect No eect No eect
13 No eect Go to Normal state Return error No eect
15
Go to WP Perma-
nent state
No eect No eect No eect
22
Go to WP w/ pass-
word state
No eect No eect No eect
23 No eect Go to Normal state
Password correct
=> go to Normal
state
Password incorrect
=> return error
No eect
The current Write Protect status is reported in Identify Drive data word 129, bit 8. It write
protection is enabled, bit 8 is set to '1', otherwise, it is '0'.