B Appendix B—System board
designators
This appendix lists the system board designators for this system.
Designator Silkscreen Component
MTG1-MTG10 N/A Mounting holes
E14 E14 Boot block header/jumper
E49 E49 Clear password header/jumper
J20 SLOT 5 PCI PCI slot
J21 SLOT 6 PCI PCI slot
J22 Slot 7 PCI PCI slot
J33 SLOT 3 PCIe x8 (4) PCI Express slot
J31 SLOT1 PCIe x1 PCI Express slot
J32 SLOT4 PCIe2 x16 75W + 75W PCI Express slot
J41 SLOT2 PCIe2 x16 75W + 75W PCI Express slot
P60-64 SATA0 – SATA4 SATA Connectors
CN6 CN6 External SATA
J50, P53 PARALLEL/SERIAL Parallel port and serial port stack connector
P52 P52 Optional serial port
J68 KBD_MS Stacked keyboard/mouse connector
J9 J9 Stacked RJ 45/dual USB
J10 QUAD USB Quad stacked USB
CN7 USB Single vertical USB
J83 J83 Triple stacked audio jack
SW50 CMOS Clear CMOS switch/push button
P1 P1 Power supply connector (24-pin)
P3 PWRCPU Processor power
P10 FDD Diskette driver connector
P11 AUX-IN Auxiliary audio connector
ENWW 163