HighWire HW400c/2 User Reference Guide Rev 1.0
3.5.4 Mezzanine Card Power
Each of the two mezzanine card sites on the HW400c/2 is allotted a portion of the
total power budget for the board. For the standard version, the mezzanine power
budget is 16.2 Watts for each slot, while the optional high-power version allows 26.4
atts for each slot. The power budget is divided between the 3.3V, 5V, and 12V
po
16. Mezzanin Card Power Bu
ower (pe
Wwer rails as shown in Table 16.
Table e dget
P r site)
HW400c/2
Version
zzanine C rd
Total Power
(per site 3.3V power
(Per slot) 5V po
(Per slot) 12V power
Me a
) wer (Per slot)
Standard
without J4 10 Watts 16.2 Watts 5 Watts 1.2 Watts
Standard
wi 29.4 Wat 1 a 12 W Wat
th J4 ts 5 W tts atts 2.4 ts
Optional High
Powe 4 26.4 Wat 1 W 7.5 W 2.4 Wat
r with J ts 6.5 atts atts ts
The sta rsion wi er supplied from t pactPCI J4
connect ds the hig t power rat for the mezzanine card slots, because that
version has a lower power processor th th nal high version.
3.5.5 C Conn r Summ y
Table 1 arizes th ezzanine card connections for each supported type. Both
es A ort th me array o onnections. Conne n outs are shown in
Section 3.5.7, an .5.8
ble 17. PTM /PMC Connector Summary
Type N1/JN2 N N4
ndard ve th additional pow he Com
or yiel hes ing
an e optio -power
PTMC/PM ecto ar
7 summ e m
sit and B supp e sa f c ctor pi
s 3.5.6, d 3
Ta C
Mezzanine
Card J J 3 J
PMC PCI or
PCI-X Not Used (t ) s User I/Ori-stated 55 Pin
PT2MC PCI or
PCI-X
Local CT Bu
(20-bit) 55 Pins User I/O
s
PT5MC PCI or
PCI-X
Local CT Bus
(32-bit)
2 LAN Ports
31 Pins User I/O
October 10, 2006 Copyright 2006, SBE, Inc. Page 33