IEI Integration IMBA-C604EN - Manual (Page 52)

IMBA-C604EN ATX Mo th e rb o a rd
P a g e 37
3.2.22 S MBu s Co n n e c to r
CN La b e l: S MBUS _1
CN Typ e : 4-pin wafer
CN Lo c a tio n : See Figure 3-23
CN P in o u ts : See Table 3-20
The SMBus (System Management Bus) connector provides low-speed system
management communications.
Figure 3-23: SMBus Connector Location
Pin Description
1 +5V
2 SMB_HOST_3V3_CLK
3 SMB_HOST_3V3_DATA
4 GND
Table 3-20: SMBus Connector Pinouts
3.2.23 S P I ROM Co n n e c to r
CN La b e l: J S P I1