Mobo has six USB ports but FreeBSD seams to only work with two, help please

78-0x37f irq 7 on isa0 ppc0: Generic chipset (EPP/NIBBLE) in COMPATIBLE mode plip0: on ppbus0 lpt0: on ppbus0 lpt0: Interrupt-driven port ppi0: on ppbus0 ad0: 39266MB [79780/16/63] at ata0-master UDMA100 acd0: CDROM at ata1-master PIO4 Mounting root from ufs:/dev/ad0s1a ugen0: WINBOND W9967C

Mobo has six USB ports but only two work, help please

7 on isa0 ppc0: Generic chipset (EPP/NIBBLE) in COMPATIBLE mode plip0: on ppbus0 lpt0: on ppbus0 lpt0: Interrupt-driven port ppi0: on ppbus0 ad0: 39266MB [79780/16/63] at ata0-master UDMA100 acd0: CDROM at ata1-master PIO4 Mounting root from ufs:/dev/ad0s1a ugen0: WINBOND W9967CF