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HP t5520: Hardware 


 


 

 



HP t5520 thin client

A User View

"The CPU is pretty good even for the likes of Windows 2000, but sometimes 128MB of RAM just isn't enough. Like other HPs, setting this one up is a breeze since it'll boot from the network with no problems at all. OK for Windows 98 and maybe Windows 2000 gaming" - April, November 2020.

History

The HP t5520 I have (part no: 394610-002) was manufactured in Sept 2006

Specifications

Processor
   Type
   Speed
Via Nehemiah
800MHz
Memory
   Flash
   RAM
64Mb (?Mb max)
128Mb (fixed)
Video
   Chip
   Max resolution
Via VT8623 [Apollo CLE266]
1600 x 1200 32-bit colour
Ports
   Network
   USB
   Serial
   Parallel
   PS/2
10/100
4 x USB2.0
1
1
1 (Kybd or Mouse)
Power
   Plug
   Off
   Running
12V
7 W
18-24W
Dimensions
H x W x D (mm)205 x 55 x 195 (Excluding Stand)
Security
 Kensington Lock Slot
Mounting Bracket

The embedded operating system is Windows CE.NET.

CPU

For those to whom it matters here is some detail from Linux's /proc/cpuinfo

vendor_id:CentaurHauls
cpu family:6
model:9
model name:VIA Nehemiah
stepping:8
flags :fpu vme de pse tsc msr cx8 mtrr pge cmov pat mmx fxsr sse cpuid rng rng_en ace ace_en

PCI

00:00.0 Host bridge: VIA Technologies, Inc. VT8623 [Apollo CLE266]
00:01.0 PCI bridge: VIA Technologies, Inc. VT8633 [Apollo Pro266 AGP]
00:10.0 USB controller: VIA Technologies, Inc. VT82xx/62xx UHCI USB 1.1 Controller (rev 80)
00:10.1 USB controller: VIA Technologies, Inc. VT82xx/62xx UHCI USB 1.1 Controller (rev 80)
00:10.3 USB controller: VIA Technologies, Inc. USB 2.0 (rev 82)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 50)
00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102/VT6103 [Rhine-II] (rev 74)
01:00.0 VGA compatible controller: VIA Technologies, Inc. VT8623 [Apollo CLE266] integrated CastleRock graphics (rev 03)

Power Supply

The unit requires a 12V supply. If yours came without one a unit can be easily sourced. I bought a 12V 3A unit on ebay that was advertised as being a replacement one for an LCD display. I'm not too sure of the exact dimensions required for the plug, but a 5.5mm external 2.1mm internal plug seems to fit.

Expansion

inside Click on the photograph for a larger version.

Flash: The Flash memory (top left in the photograph) is easily replaceable. So far I have not tried anything here.

RAM: There is no provision for user replaceable RAM. It is fixed at 128Mb. I subsequently came across an HP training document that states:

"Going forward, new t51xx and t55xx thin clients will not have configurable RAM. For manufacturing economies of scale, RAM will be installed "down." The t51xx and t55xx units will not include a SODIMM slot."

 


Any comments? email me. Added September 2011    Last update June 2022