Led Header (J1, J2 & J4); Keyboard Connector - Sony 486DX User Manual

AR-B1474 User¡ ¦ s Guide
3.2.9 LED Header (J1, J2 & J4)
(1) External Power LED & Keyboard Lock Header (J4)
(2) HDD LED Header (J1)
(3) Watchdog LED Header (J2)

3.2.10 Keyboard Connector

(1) 6-Pin Mini DIN Keyboard Connector (CN5)
CN5 is a 6-pin Mini-DIN connector. This keyboard connector is PS/2 type keyboard compatible. An PC/AT
compatible keyboard can be used by connecting the provided adapter cable CN5 and keyboard.
(2) AUX. Keyboard Connector (J8)
A PC/AT compatible keyboard can be used by connected the provided adapter cable between J8 and the
keyboard. The pin assignments of J8 connector are as follows:
3-10
1 Power LED+
2 Not Used
3 Power LED-
4 Key-Lock+
5 Key-Lock-
Figure 3-16 J4: Power LED & Key Lock Header
Figure 3-17 J1: HDD LED Header
1 LED+
2 LED-
Figure 3-18 J2: Watchdog LED Header
1 DATA
1
2 Not Used
3
3 GND
4 VCC
5
5 CLOCK
6 Not Used
CN5 (Front View)
Figure 3-19 CN5: Keyboard Connector
J8
1 CLOCK
2 DATA
3 Not Used
4 GND
5 VCC
Figure 3-20 J8: AUX. Keyboard Connector
1 LED+
2 LED-
2
4
6