Application Note of Reset# signal is required for IT8212' Hot Swap function s April, 22, 2003
Reversion History Reversion Change List V1.0 Initial release:
Note April, 22, 2003
1. The procedure of IT8212' hot swap function is as follows: s Power off the HD e Plug out the HD e Plug in a HD e Power on the HD 2. During the hot swapping procedure, IT8212 is trying to implement hardware reset command to HD through the Reset# signal on IDE cable. 3. After the hardware reset command is implemented to HD, IT8212 will get some expectable information from HD then check each HD' status based on it. s 4. If there is no Reset# signal on IDE cable, IT8212 can' reset HD successfully t in the hot swapping procedure and it may fail to perform IT8212' hot swap s function and make the system abnormal. 5. Therefore, the Reset# signal on IDE cable is required while customers are implementing IT8212' hot swap function. s
ITTM-AN-03003
By : Victor
Check : Mason
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TM-201-F5A
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