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Build Your Own PC
By Wayne Maruna
7/19/08
Top 10 Reasons to Build Your Own PC
You’re a masochist
Since retiring, you don’t have enough irritation in your life.
You like paying more for things
You need to use up extra bandages
Your spouse said “Don’t even think about it”.
More reasons to build your own PC
You’re a person who likes a challenge.
You find satisfaction in doing things yourself.
You like being able to fix things, and need to know how they work.
You don’t like talking to people in India
Ever since watching “When Harry Met Sally”, you just have to have things the way you want them, or not at all.
Lots of good reasons for a new PC!
Dilbert, by Scott Adams 05-11-08
Our little project Based on a micro-ATX LAN party case AMD 4000+ Dual Core CPU, AM2 Socket Biostar motherboard, nVidia chipset 4GB DDR2-800 (PC6400) A-Data RAM 250GB Seagate Serial ATA Hard Drive Twin DVD Burners (one with LightScribe) MSI PCI-E video card, nVidia 8400GS GPU Using on-board sound & LAN 400 Watt Power Supply
Anatomy of a Computer
BRAINS = CPU BACKBONE = Motherboard SPINAL COLUMN = Chipset HEART = Power Supply SKIN = Case
In the interest of good taste, we’ll end the physical analogy there.
THE BRAINIt all starts with the CPU selection
I like AMD CPUs because of price / performance ratio
4000+ retail CPU with fan and 3-year warranty for only $58 delivered (Jan 08)
AM2 Socket, currently AMD’s most popular (but migrating to AM2+)
Low 65 watt power consumption cuts heat
Socket To Me – Choices GaloreCPUs and Motherboards By Socket Type on
NewEgg.com as of 7/14/08
INTEL AMD
Qty $ Range Socket Qty $ Range Qty $ Range Socket Qty $ Range31 40 - 1,470 LGA775 310 20 - 300 10 125 - 235 AM2+/AM2 97 40 - 2751 1,550 Dual LGA 771 1 630 31 29 - 150 AM2 40 40 - 2303 40 - 80 478 4 36-60 - - 462 (A) 3 30 - 120- - 370 1 70 3 63 - 160 754 - - 4 132 - 680 M 2 190 - 197 2 30 - 35 939 - - 9 95 - 319 P - - 7 50 - 390 S1 - -
48 40 - 1,550 318 20 - 630 53 29 - 390 140 30 - 275
MotherboardsCPUs CPUs Motherboards
THE BACKBONENext, choose a motherboard
We chose a Biostar TF7025-M2 AM2 socket motherboard because of price / feature ratio. Delivered cost of $72
nVidia GeForce 7025/NF630a chipset Micro-ATX form factor
Motherboard Details
Four memory module slots, 4GB max Four SATA connectors, 1 IDE, 1 Floppy 1 PCI-E x16 slot, 1 PCI-E x1 slot, 2 PCI Supports 8 USB ports (4 on board) On-board nVidia video, sound, LAN. VGA and DVI-I video connections
THE SPINAL COLUMNChipset
Vendor choices usually include Intel, AMD, nVidia, SiS, and Via
Northbridge – responsible for high performance devices, e.g. memory controller, integrated graphics or interface to discrete graphics card
Southbridge – less sensitive devices, incl. networking, audio, storage, peripherals
SKIN - Many Case Styles to Choose From
The Case for a MicroFly
So-called LAN party case. Small footprint: 11”W x 15” D x 9-1/2” H
Fits micro-ATX motherboard (only 4 expansion slots)
See-through top and sides (other models have solid piano black finish)
Made of lightweight aluminum. No power supply Delivered from Tiger Direct for $59
The MicroFly Case
Case ¾ Side View
The Top Slides Off….
…and the sides slide out
The Drives Have Already Been Installed.
400 Watt Micro-ATX Power Supply Installed.
The motherboard tray slides out
The tray has stand-
offs for mounting
the board.
Each motherboard requires its own “back plate” or “I/O Shield”.
Here the back plate that came with the case has been removed.
Here the back plate that came with the motherboard has been installed.
The back plate will mate up with the back of the motherboard and
its I/O ports
The motherboard as it comes out of the box
…and as it is mounted on the slide-out tray.
A mole’s eye view of the slide-in tray
The processor’s back side. Note square notch (lower right) with triangle marker used to orient CPU in mobo socket.
Motherboard socket has matching square in lower right corner so CPU can only go in one way. Never force the CPU in. It should drop in.
CPU Pin-outs Must Match Socket
Socket 939 Socket AM2 Socket 940
Can you locate the differences?
CPU must be installed with thermal compound. Retail CPU/Fan comes with it already applied to
the bottom of the heat sink. For OEM installations or reinstalls, use a good after-market compound
like Artic Silver.
CPU, Heat Sink, Fan in place.
The motherboard utilizes up to 4GB of DDR2-800 (PC6400) memory in 4 slots.
Pictured below are two of the four 1GB RAM modules
4GB of Memory installed
Although the motherboard comes equipped with on-board nVidia GeForce 7025 video
with up to 64MB of shared system memory, we opted for an MSI (MicroStar
International) PCI-E x16 video card with 256MB of dedicated memory. It utilizes the nVidia 8400GS graphics engine, and has
both VGA and DVI-I outputs. Delivered cost of about $42 before $10 MIR
Video Card
The video card has its own heat sink and fan that look like they should be mounted on a
Harley.
Video Card mounted in Motherboard
Slide it in, Big Boy.
Hard drive (or 2) mounts vertically
IDE Vs. Serial ATA (SATA) Drives
Lightscribe Before (Top),After (Bottom)
(GPartEd = Gnome Partition Editor) –
think Partition Magic for Linux
Sides and Top Installed
People who live in glass houses…
Ready for action!
And…..Action!
When you build your own PC, few sounds are more satisfying than that “Beep” that signifies a successful POST (Power On Self Test) which means the PC works!
Measuring the hole in my wallet
Does not include mouse, keyboard, speakers, or monitor
Does not include operating system or any software.
Final Tally: Case Power Supply Motherboard CPU/Heatsink/Fan Memory Video Card Hard drive 2 DVD drives Floppy drive SATA power/data cables Total Hardware Cost
$58.85
$38.21
$72.10
$57.99
$85.98
$41.98
$69.99
$70.31
$11.98
$10.00
$517,39
$65.00
$ Incl above
$52.00
$40.00
$49.00
$00.00
$70.00 (IDE)
$31.00 (one)
$00.00 (none)
$00.00 (none)
$307,00
A Cheaper Alternative
My Project’s Cost
Show’s Over!
Questions?
Comments?