Intel 915GM Computer Hardware User Manual


 
Connectors and Jumpers
Table 5. Compact Flash Power Select (JP1)
Option JP1
3.3 V (default) Short 1-2
5 V Short 2-3
Table 6. LVDS Voltage select (JP2)
Option JP2
3.3 V (default) Short 1-2
5 V Short 2-3
Table 7. COM1 Mode Select for RS-232/422/485 (JP3/JP6/JP7)
Option JP3 JP6 JP7
RS232 (default) Short 3-5, 4-6 Short 3-5, 4-6 Short 1-2
RS422 Short 1-3, 2-4 Short 1-3, 2-4 Short 3-4, 7-8
RS485 Short 1-3, 2-4 Short 1-3, 2-4 Short 5-6, 7-8
Table 8. COM1 Mode Select (JP4)
Option JP4
Pin 1=DCD (default)
Pin 1=5 V
Short 3-5
Short 1-3
Pin 8=RI (default)
Pin 8=+12 V
Short 4-6
Short 2-4
Table 9. COM2 Mode Select (JP5)
Option JP5
Pin 1=DCD (default)
Pin 1=5 V
Short 3-5
Short 1-3
Pin 8=RI (default)
Pin 8=+12 V
Short 4-6
Short 2-4
Table 10. CMOS Clear Jumper (JP8)
Option JP8
Normal (default) Short 1-2
Clear CMOS Short 2-3
Table 11. Audio Output Select Jumper (JP9)
Option JP8
Line Out (default) Short 1-3, 2-4
Speaker Out Short 3-5, 4-6