Datasheet

Signal Description
58 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1
6.13 Ground and NCTF
6.14 Processor Internal Pull Up/Pull Down
§
Table 6-15. Ground and NCTF
Signal Name Description Direction Type
VSS
VSS are the ground pins for the processor and should be
connected to the system ground plane.
GND
CGC_TP_NCTF
Corner Ground Connection: This land may be used to test
for connection to ground. A test point may be placed on
the board for this land. This land is considered Non-
Critical to Function.
Table 6-16. Processor Internal Pull Up/Pull Down
Signal Name
Pull Up/Pull
Down
Rail Value
SM_DRAMPWROK Pull Down VSS 10–20 kΩ
VCCPWRGOOD_0
VCCPWRGOOD_1
Pull Down VSS 10–20 kΩ
VTTPWRGOOD Pull Down VSS 10–20 kΩ
BPM#[7:0] Pull Up VTT 44–55 Ω
TCK Pull Up VTT 44–55 Ω
TDI Pull Up VTT 44–55 Ω
TMS Pull Up VTT 44–55 Ω
TRST# Pull Up VTT 1–5 kΩ
TDI_M Pull Up VTT 44–55 Ω
PREQ# Pull Up VTT 44–55 Ω
CFG[17:0] Pull Up VTT 5–14 kΩ