Acrosser AR-B9622 - Manual (Page 29)

AR-B9622 User’s Guide
3-11
3.2.11 RJ-45 Connector (CN4)
The CN4 connects RJ-45 header, it’s the standard network header. The following table is CN4 pin assignment.
1 8
Figure 3-22 CN4: RJ-45 Connector
PIN (CN4) FUNCTION
1 TPTX+
2 TPTX -
3 TPRX+
4 Not Used
5 Not Used
6 TPRX -
7 Not Used
8 Not Used
Table 3-7 RJ-45 Pin Assignment
3.2.12 CPU Base Clock Select (JP2)
The CPU base clock (Input clock) is twice of its operation clock.
Factory Preset
1
2
3
40 MHz
1
2
3
20 MHz
1
2
3
33 MHz
Figure 3-23 JP2: CPU Base Clock Select
3.2.13 D.O.C. Installation (U7)
Step 1: Insert programmed DiskOnChip into sockets U7 setting as DOC.
Step 2: Line up and insert the AR-B9622 card into any free space of your computer.
Step 3: Use the D.O.C. in no HDD equipment, and after installed D.O.C. we can easily boot the system from
D.O.C..