Installing the Motherboard
2-13
User’s Manual
Table 2-2. PN1 and PN2 pin count name list
PIN Name
Significance of signal
PIN Name
Significance of signal
PIN 1
+5VDC
PIN 1
Ground
PIN 2
No connection
PIN 2
Reset input
PIN 3
Ground
PIN 3
No connection
PIN 4
Keyboard inhibit Signal
PIN 4
+5VDC
PIN 5
Ground
PIN 5
Ground
PIN6
LED power
PIN6
Ground
PIN 7
HDD active
PIN 7
Speaker data
PIN 8
Ground
PIN 8
No connection
PIN 9
Power On/Off signal
PIN 9
+5VDC
PIN 10 +3V Standby
PIN 10 Suspend LED active
PN1
PIN 11 Suspend signal
PN2
PIN 11 No connection
Let’s now see the I/O connectors that BE6 uses, and what their functions are.
FDC1 Connector
This 34-pin connector is called the “floppy
disk drive connector”. You can connect a
360K, 5.25”, 1.2M, 5.25”, 720K, 3.5’’,
1.44M, 3.5” or 2.88M, 3.5” floppy disk
drive, you can even connect a 3 Mode
floppy disk drive (it’s a 3 1/2” drive used in
Japanese computer systems).
A floppy disk drive ribbon cable has 34
wires and two connectors to provide for the
connection of two floppy disk drives. After connecting the single end to the FDC1, connect
the two connectors on the other end to the floppy disk drives. In general, people only install
one floppy disk drive on their computer system.
Note
A red mark on a wire typically designates the location of pin 1. You need to align the
wire pin 1 to the FDC1 connector pin 1, then insert the wire connector into the FDC1
connector.
Содержание AB-BE6
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Страница 10: ...1 6 Chapter1 BE6 1 4 The System Block Diagram Figure 1 3 System diagram of the 440BX chipset ...
Страница 76: ...B 6 Appendix B BE6 ...
Страница 80: ...C 4 Appendix C BE6 ...
Страница 94: ...D 14 Appendix D BE6 ...
Страница 96: ...E 2 Appendix E BE6 ...
Страница 102: ...F 6 Appendix F BE6 ...