HP ProDesk 400 G2 Small Form Factor Maintenance And Service Manual page 39

No. System Board Connector
1 PCI Express x1
2 PCI Express x1
3 PCI Express x1
4 PCI Express x16
5 Parallel Port
6 Serial Port
7 Battery
8 DIMM3 (Channel A)
9 DIMM1 (Channel B)
10 SATA 3.0
11 SATA 3.0
12 SATA 2.0
13 USB 2.0
System Board Label Color
X1PCIEXP3 black
X1PCIEXP2 black
X1PCIEXP1 black
X16PCIEXP black
PAR black
COMB black
BAT black
DIMM3 black
DIMM1 black
SATA0 dark blue
SATA1 light blue
SATA5 white
MEDIA black
Component
Expansion Card
Expansion Card
Expansion Card
Expansion Card
Optional Parallel Port
Optional Second Serial Port
Memory Module
Memory Module
Memory Module
Primary Hard Drive
Secondary Hard Drive
Optical Drive
USB 2.0 Device, such as a Media Card
Reader
System board connections 31