Toshiba Xeon 2.8GHz UPG3843W 用户手册
产品代码
UPG3843W
Intel® Xeon™ Processor with 512 KB L2 Cache
122
Datasheet
.
NOTE:
1. Baseboard should pull this pin up to V
CC
with a resistor.
2. 1.5A is required for 3 GHz and 400 mA is required for frequencies 1.80 GHz and 2.80 GHz.
Table 58. Fan Cable Connector Requirements
Table 59. Fan Power and Signal Specifications
Description
Min
Typ
Max
Unit
Notes
+12V: 12 Vot Fan Power Supply
6.0
12.0
13.2
V
IC: Fan Current Draw
1.5,400
A,mA
SENSE Frequency
2
Pulses per fan
revolution
1
Item
Specification
Connector Type
−
Fan connector must be a straight square pin, 3-pin terminal
housing with polarizing ribs and friction locking ramp.
housing with polarizing ribs and friction locking ramp.
−
Match with a straight pin, friction lock header on the
mainboard.
mainboard.
−
Manufacturer and part number or equivalent:
o
AMP
†
: Fan connector: 643815-3, header: 640456-3
o
Walden
†
/ Molex
†
: Fan connector: 22-01-3037,
header: 22-23-2031
Pin Out
(See Figure
Above)
(See Figure
Above)
−
Pin 1: Ground; black wire.
−
Pin 2: Power, +12 V; yellow wire.
−
Pin 3: Signal, Open collector tachometer output signal
requirement: 2 pulses per revolution; green wire.
requirement: 2 pulses per revolution; green wire.
Fan cable length
(Drawing
747887):
(Drawing
747887):
The fan cable connector must reach a mating mainboard
connector at any point within a radius of 110 mm (4.33”)
measured from the central datum planes of the enabled
assembly (datum planes A, B & C on Drawing AXXXXX).
connector at any point within a radius of 110 mm (4.33”)
measured from the central datum planes of the enabled
assembly (datum planes A, B & C on Drawing AXXXXX).
Fan cable
routing
routing
Fan power cable must be routed in such a way to prevent it from
contacting the fan impellor and it must be positioned in a
consistent location from unit to unit.
contacting the fan impellor and it must be positioned in a
consistent location from unit to unit.