NEC POWERMATE P - SERVICE MANUAL 1996 Service And Reference Manual page 89

Option Installation 3-21
IDE Signal Cables
Hard disk systems come with a three-connector IDE interface cable attached to the primary
IDE connector. Multimedia systems come with a second IDE cable connected to the CD-
ROM reader and to the secondary IDE connector.
Each IDE connector on the system board supports two IDE devices. The addition of an
IDE device to an IDE connector does not require the replacement of the existing IDE signal
cable.
If installing an optional IDE CD-ROM reader, connect it to the secondary IDE connector.
The primary (fast) IDE port should be reserved for hard disks.
Figure Section 3-14 shows a typical three-connector IDE cable. If the IDE cable is not
keyed with a connector tab, align the colored edge of the cable with the pin 1 side of the
drive connector.
Figure Section 3-14 Optional IDE Cable Connectors