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
Name Function
Section
JP1
CPU base clock select
JP2
RS-485 terminator select (COM-A)
JP3
RS-485 terminator select (COM-B)
Switch 1
The base I/O address of SSD selector
Switch 2
The memory segment of SSD selector
Switch 3
The memory segment of DiskOnChip selector
Switch 4
Reserved
Switch 5
COM-A port mode selector
SW1
Switch 6
COM-B port mode selector
J1
External power and hard disk LED header
J2 Keyboard
connector
J3 Reset
header
J4 Speaker
header
J5 Power
connector
CN1 Printer
connector
CN2 Floppy
connector
CN3
RS-232C connector (COM-A)
CN4
RS-232C connector (COM-B)
CN5 RS-485
CN6 44-pin
IDE
CN7
40-pin PC/104 connector (Bus C & D)
CN8
64-pin PC/104 connector (Bus A & B)
LED1
Onboard power LED
LED2
User defined status LED
U1
Expandable DRAM socket
U2
Flash socket (First)
U5
Flash socket (Second)
U12
Flash socket (Third) and DiskOnChip socket
Table 3-1 Important Component List
3-3