User`s manual

2.2 EB164 Connectors

Table 2–2 (Cont.) EB164 Connector Descriptions

Connector Pins Description

Mouse Connector

J34 6 Mouse connector

National 87312 Combination Chip Connectors

J33 26 Parallel port connector

Connects to an external 25-pin connector.

J27 10 Serial communication port 1 connector

Note: This connector can be used as a terminal port for the

debug monitor.

J26 10 Serial communication port 2 connector

J31 34 Diskette drive connector

J28 40 IDE drive connector

SROM Data/Clock

J13 6 SROM data/clock serial port input connector

Note: This connector can be used as a terminal port for the

Mini-Debugger.

J2 26 Header connector J2 is a straight double-row header with

standard 0.025-in pins on 0.10-in centers. Connections to

it may be made by means of individual 2- or 4-pin female

plugs. Figure 2–4 provides a detail of header connector J2.

System Enclosure Fans

J2—3/5, —7/9,

—11/13

2 each Up to three 12-V cooling fans may be connected to these

pins.

IDE Drive Active Indicator

J2—15/17 2 IDE drive active indicator pins

(continued on next page)

System Conﬁguration and Connectors 2–11