IEI Integration NOVA-HM551 v1.10 - Manual (Page 43)

NOVA-HM551 5.25" SBC
Page 29
Pin Row A Row B Row C Row D
13 FRAME- GND IRDY- +3V
14 GND AD16 +3V CBE2-
15 AD18 +3V AD17 GND
16 AD21 AD20 GND AD19
17 +3V AD23 AD22 +3V
18 IDSEL0 GND IDSEL1- IDSEL2
19 AD24 CBE3- VIO4 IDSEL3
20 GND AD26 AD25 GND
21 AD29 +5V AD28 AD27
22 +5V AD30 GND AD31
23 REQ0- GND REQ1- VIO5
24 GND REQ2- +5V GNT0-
25 GNT1- VIO3 GNT2- GND
26 +5V PCICLK0 GND PCICLK1
27 PCICLK2 +5V PCICLK3 GND
28 GND INTD- +5V PCIRST-
29 +12V INTA- INTB- INTC-
30 -12V RESERVED2 RESERVED3 GND
Table 3-13: PCI-104 Connector Pinouts
3.2.12 PCIe Mini Card Slots
CN Label: CN3, CN4
CN Type: PCIe Mini card slot
CN Location: See
6
Figure 3-13
CN Pinouts: See Table 3-14
The PCIe Mini card slot is for installing PCIe Mini expansion cards.