HP Z400 User Manual

Side access panel sensor (optional)
The side access panel sensor (also called the hood sensor or Smart Cover Sensor) is a switch that
detects when the side access panel is opened. The side access panel sensor is mounted either on a
metal bracket attached to the front chassis or on the front fan holder/card guide.
This section describes how to remove and install the sensor.
Removing the side access panel sensor
To remove the side access panel sensor (bracket mounting):
1. Power down the workstation (see
Predisassembly procedures on page 75).
2. Disconnect power from the workstation (see
Predisassembly procedures on page 75).
3. Remove the side access panel (see
Removing the side access panel on page 78).
4. Disconnect the sensor cable from the HSENSE receptacle on the system board, as shown below
(1).
Figure 5-5 Removing the side access panel sensor (bracket mounting)
5. Remove the sensor by sliding the sensor in the slot in the bracket toward the front of the chassis
and then pushing the sensor down (2).
6. If removing the metal mounting bracket for the sensor:
a. Remove the front bezel (see
Removing the front bezel on page 83).
b. Remove the two screws that hold the metal bracket to the front of the chassis (3).
ENWW
Removing and installing components
79

HP Z400 Specifications

General

Bus type	QPI
Processor cache	4 MB
Processor cores	2
Processor model	W3503
System bus rate	4.8 GT/s
Processor socket	-
Processor frequency	2.4 GHz
Processor cache type	Smart Cache
Processor lithography	45 nm
Processor manufacturer	Intel
PCI Express slots version	2.0
Processor operating modes	64-bit
ECC supported by processor	Yes
Thermal Design Power (TDP)	130 W
Number of processors installed	1
Memory types supported by processor	DDR3-SDRAM
Memory clock speeds supported by processor	800, 1066 MHz
Memory bandwidth supported by processor (max)	25.6 GB/s
Maximum internal memory supported by processor	24 GB
Audio system	Realtek ALC262
Product type	Workstation
Motherboard chipset	Intel® X58 Express
Memory slots	6x DIMM
Internal memory	4 GB
Memory channels	Triple-channel
Memory clock speed	1066 MHz
Memory layout (slots x size)	- GB
Graphics card	Quadro 600
Networking features	Gigabit Ethernet (10/100/1000)
Graphics card family	NVIDIA
HDD speed	- RPM
RAID levels	0, 1, 5, 10
HDD capacity	500 GB
HDD interface	SATA II
Storage media	HDD
Display included	No
USB 2.0 ports quantity	8
Parallel ports quantity	0
Chassis type	Minitower
Country of origin	China
Number of 5.25\" bays	3
Operating system installed	Windows 7 Professional
Operating system architecture	32-bit
Power supply	475 W
Processor ARK ID	40800
Processor package size	42.5 x 45 mm
Supported instruction sets	SSE4.2

Weight and Dimensions

Depth	455.3 mm
Width	167.9 mm
Height	450.2 mm
Weight	13500 g