HP Compaq Pro 4300 Small Form Factor Reference Manual page 21

Table 2-1 System Board Connections
No. System Board Connector
1 DIMM (Channel A)
2 DIMM (Channel B)
3 Power
4 Media Card Reader
5 SATA
6 SATA
7 PCI Express x1
8 PCI Express x16
9 PCI (2)
System Board Label
XMM3
XMM1
SATAPWR1
MEDIA1
SATA1
SATA0
X1PCIEXP1
X16PCIEXP
PCI1 and PCI2
Color Component
black Memory Module
black Memory Module
black SATA Drives
black Media Card Reader
white Optical Drive
dark blue Hard Drive
black Expansion Card
black Expansion Card
white Expansion Card
System Board Connections 15