B System board designators
This appendix describes the system board designators for this workstation.
Designator Silk screen Component
MH1-MH7 N/A Mounting holes
E15 E15 Crisis recovery header/jumper
E49 E49 Clear password header/jumper
J9 J9 RJ45/USB Rear stacked RJ-45/dual USB
J11 J11 RJ45/USB Rear stacked RJ-45/dual USB
J12 J12 1394/USB Single rear 1394a/dual USB
J13 J13 1394 Front 1394a header
J20 J20 SLOT6-PCI32 PCI - 32/33 MHz slot
J29 J29 Slot2 PCIe x16 retention clip
J30 J30 Slot5 PCIe x16 retention clip
J31 J31 SLOT1-PCIe2 x8(4) PCIe2 x8(4) slot
J32 J32 SLOT3 -PCIe x8(4) PCIe x8(4) slot
J33 J33 SLOT4-PCIe2 x16(8) PCIe2 x16(8) slot
J34 J34 SLOT7-PCIe2 x16(8) PCIe2 x16(8) slot
J41 J41 SLOT2-PCIe2 x16 75W PCIe2 x16 75W (from system board) slot
J42 J42 SLOT5-PCIe2 x16 75W PCIe2 x16 75W (from system board) slot
J68 J68 Stacked keyboard/mouse connector
J83 J83 AUD Triple stacked audio jacks
SW50 SW50 CMOS Clear CMOS switch/push button
P1 P1 PWR MAIN Power supply connector (18-pin)
P2 P2 PWR MEM Memory power connector (10-pin)
P3 P3 PWRCPU CPU power connector (8-pin)
P5 P5 PB/LED Power button/HDD LED/Power LED switch/
Side access panel switch/Temperature header
P8 P8 REAR FANS Rear fans header
P10 P10 FDD Flexible disk drive
P24 P24 FRNT USB Front panel USB header
ENWW 281