SBC comm SBC-350A ユーザーズマニュアル
6
SBC-350A User's Manual
Jumpers and connectors
Connectors on the board link it to external devices such as hard disk
drives, a keyboard or PC/104 modules. In addition, the board has a
number of jumpers which you use to configure it for your application.
drives, a keyboard or PC/104 modules. In addition, the board has a
number of jumpers which you use to configure it for your application.
The table below lists the function of each of the board jumpers and
connectors. Later sections in this chapter give instructions on setting
jumpers and detailed information on each jumper setting. Chapter 3
gives instructions for connecting external devices to your card.
connectors. Later sections in this chapter give instructions on setting
jumpers and detailed information on each jumper setting. Chapter 3
gives instructions for connecting external devices to your card.
Jumpers and Connectors
Number
Function
Page
J1
Reset switch
19
J2,3,4,5
CPU clock and AT clock select
8
J6
Display type - mono, color
8
CN1
Power LED and Keylock
19
CN2
Hard disk driver activity LED
19
CN3
HDD connector
17
CN4
FDD connector
16
CN5
Parallel/printer connector
18
CN6
Keyboard connector
18
CN7/8
PC/104 expansion connector
43
CN9
SBC Power connector
20
CN10
COM1, RS-232 serial port
20
CN11
COM2, RS-232 serial port
20
CN12
Keyboard connector (6-pin mini DIN)
18
CN13
External speaker connector
21
SIMM memory modules
On the left end of the card (away from the mounting bracket) are the
four SIMM (Single In-line Memory Module) sockets which hold the
card’s DRAM memory. If you ordered DRAM SIMMs along with your
card, the SIMMs may already be installed. If not, you should install
them as described in Appendix B.
four SIMM (Single In-line Memory Module) sockets which hold the
card’s DRAM memory. If you ordered DRAM SIMMs along with your
card, the SIMMs may already be installed. If not, you should install
them as described in Appendix B.