User`s manual

6 PCA-6155V User's Manual
1.4 Jumpers and Connectors
On-board connectors link it to external devices such as hard disk
drives, a keyboard, or floppy drives. In addition, the board has jumpers
for configuring your board for specific applications.
The table below lists the function of each of the board's jumpers and
connectors. Later sections in this chapter give instructions on setting
jumpers and detailed information on each jumper setting. Chapter 2
gives instructions for connecting external devices to your card.
Table 1-1: PCA-6155V jumpers
Number Function
JP1 HDD/LED
JP2 Hardware reset
JP3 CPU external (bus) frequency selection
JP4 CPU core voltage selection
JP5 DiskOnChip
®
2000 Flash disk memory segment
JP6 COM2 RS-232/422/485 selection
JP7 Watchdog timer selection
JP8 Cache mode
JP12 CPU clock ratio selection
JP15 CMOS clear selection