Sony PCV-L400 - Manual (Page 47)

System Board 39
IDE Connectors
There are two IDE (Integrated Drive Electronics) connectors: a Primary
IDE and a Secondary IDE connector.
The Primary IDE connector is a 40-pin 2.54mm pitch header-type
connector for the 3.5 inch hard disk drive.
The Secondary IDE connector is a 50-pin 2mm pitch header-type
connector for the slim notebook-type CD-ROM drive.
IDE Primary connector
Pin
Signal
1 Reset IDE
2 GND
3 Data 7
4 Data 8
5 Data 6
6 Data 9
7 Data 5
8 Data 10
9 Data 4
10 Data 11
11 Data 3
OM04701G.VSD
Primary IDE
Secondary IDE