Acrosser AR-B1320 User Manual
Page 23
A
A
R
R
-
-
B
B
1
1
3
3
2
2
0
0
U
U
s
s
e
e
r
r
’
’
s
s
G
G
u
u
i
i
d
d
e
e
3-3
Name
Function
Section
JP1
CPU base clock select
3.2
JP2
RS-485 terminator select (COM-A)
3.11.3
JP3
RS-485 terminator select (COM-B)
3.11.3
Switch 1
The base I/O address of SSD selector
3.3
Switch 2
The memory segment of SSD selector
3.3
Switch 3
The memory segment of DiskOnChip selector
3.3
Switch 4
Reserved
3.3
Switch 5
COM-A port mode selector
3.3
SW1
Switch 6
COM-B port mode selector
3.3
J1
External power and hard disk LED header
3.4
J2
Keyboard connector
3.5
J3
Reset header
3.6
J4
Speaker header
3.7
J5
Power connector
3.8
CN1
Printer connector
3.9
CN2
Floppy connector
3.10
CN3
RS-232C connector (COM-A)
3.11
CN4
RS-232C connector (COM-B)
3.11
CN5
RS-485 connector
3.11
CN6
44-pin IDE connector
3.12
CN7
40-pin PC/104 connector (Bus C & D)
3.13.2
CN8
64-pin PC/104 connector (Bus A & B)
3.13.1
LED1
Onboard power LED
3.14.1
LED2
User defined status LED
3.14.2
U1
Expandable DRAM socket
2.3
U2
Flash socket (First)
3.16
U5
Flash socket (Second)
3.16
U12
Flash socket (Third) and DiskOnChip socket
3.16
Table 3-1 Important Component List