Sony PCV-R558DS - Manual (Page 69)

System Board 55
IDE Connectors
There are two IDE (Integrated Drive Electronics) connectors on the
system board: a Primary IDE and a Secondary IDE connector.
Each IDE connector supports up to two IDE drives using a ribbon cable
with two connectors.
Power Connector
The power supply connector on the system board connects to the power
supply connector labelled P1.
OM04701G.VSD
1
39
2
40
OM04701I.VSD
1
10
11
20