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--- |
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title: Reparing my first PC |
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tags: [retrocomputer, hardware] |
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updated: 2018-04-03 17:00 |
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description: Attempt to repair my first PC and part inventory |
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--- |
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This was my first PC back in ~ 2001 2002. It was already used back then and |
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it shipped with the mighty Micro$oft Windows 98 OS (probably the "First |
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Edition"). |
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{% include image.html file="dsl_boot_on_old_pc.gif" alt="booting Damn Small Linux (DSL) from the CD-ROM" caption="booting Damn Small Linux (DSL) with the CD-ROM" %} |
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I remember using *Intern€t Explor€r* (version 5?) with |
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this thing (sic) and to do that I had to connect the internal |
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[Winmodem](https://en.wikipedia.org/wiki/Softmodem) to a |
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[tripolar phone |
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plug](https://en.wikipedia.org/wiki/Tripolar_plug) with an RJ-45 to |
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tripolar beige wire (this also happened with the |
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next computer). Internet speed was around 32Kbps on average. |
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No USBs, no WiFi, no Ethernet. Only a CD-ROM and a floppy disk drive which was |
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the only medium I used at the time to move files. Infact I remember using |
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floppy drives for school researches using Micro$oft Word as an editor. |
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It was not a gaming PC but I was able to play |
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titles like *Hard Truck: Road To Victory*, *Age Of Empires II* or *Flight |
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Simulator 98* anyway. |
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Sadly, some years ago this PC refused to boot up. This happened |
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more and more frequenly and I had no idea on what was going on. I gave up |
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using it... |
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... until I decided to repair it and I noticed some corrosion on |
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the RAM module. I found [this post](http://www.tomshardware.co.uk/forum/253501-30-cleaning-memory-eraser-chips) |
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which suggests using a pencil eraser on the pins. It worked. When booting, the |
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leds of the AT keyboard instead of blinking once, now blinked twice. So I |
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connected the video card as well but nothing happened. I then connected a PC |
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buzzer and found out that it was an |
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[AGP socket problem](http://www.helpwithpcs.com/upgrading/post-beep-codes.htm) a.k.a. |
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*Video error*, since the motherboard has an AWARD BIOS. |
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I tried another AGP video card with no luck. The AGP socket was probably just |
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broken. |
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To be sure the system was working I tried a Windows 98 recovery boot floppy |
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disk. I issued the `dir` command and listened to the floppy drive making |
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the usual noise. |
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Since it's pretty useless as it is, and of course painly slow, I think it's |
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time to recycle the components... |
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What follows is a thorough inventory of the parts with some photos. |
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|
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## The full hardware specs |
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### Motherboard |
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- 1x Unkown "Super Socket 7" motherboard with AWARD BIOS and VIA, Winbond and |
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other chips. |
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{% include image.html file="DSCN3132.JPG" alt="motherboard and processor" %} |
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#### Slots |
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- 3x PCI |
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- 2x ISA |
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- 2x DIMM 168 pin |
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- 2x [SIMM](https://en.wikipedia.org/wiki/SIMM) RAM (Don't know pin #) |
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#### Connectors |
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- 1x ATA Floppy |
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- 1x primary IDE (ATA) |
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- 1x secondary IDE (ATA) |
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- 1x PS/2 mouse (not the actual PS/2 connector but 5 pins. See [this](https://www.altex.com/5-Pin-to-6-Pin-F-Intel-PS2-Mouse-Cable-BKT-PS2-P139177.aspx) for example) |
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- 2x COM 10 pin |
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- 1x IDC 26 pin |
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- 1x USB 8 pin (don't know what version but i suspect it's 1.1) |
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- 1x 3 pin fan |
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- 1x AT Keyboard |
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- 1x AGP 124 |
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- 1x P8 P9 (power) |
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- 1x 20 pix ATX (power) |
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- 1x KEYLOCK |
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- 1x 4 pin speaker (buzzer) |
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- 1x reset |
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- 1x HDD LED |
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- 1x power ON/OFF |
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- 1x `EXTSMI` |
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- 1x INFRA-RED |
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|
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### Processor |
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- 1x AMD `AMD-K6-2/450AFX` |
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### Cards |
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- 1x PCI Winmodem (can't find it) |
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- 1x ISA `CRYSTAL CX4235-XQ3` sound card |
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- 1x `ATI HIS Rage IIc` video card |
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{% include image.html file="DSCN3131.JPG" alt="sound card and video card" %} |
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### Memory |
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- 32MB `DIMM32MTEC AL0457BY` DIMM RAM. It has 4 `M.tec` memory modules on the |
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front. |
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### Drives |
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- 1x 1.44 MB `MITSUMI MODEL D359M3` floppy drive |
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- 1x 44x `Delta Electronics, Model OIP-CD440A` CD ROM drive |
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- 1x 8.4GB `Seagate U8 Model ST38410A` HDD |
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{% include image.html file="DSCN3156.JPG" alt="HDD" %} |
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{% include image.html file="DSCN3157.JPG" alt="HDD" %} |
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{% include image.html file="DSCN3159.JPG" alt="HDD" %} |
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### Power Supply |
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- Power supply with P8 and P9 pins: `EXON COMPUTER SWITCHING POWER SUPPLY |
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230W`. Model name should be `EX04T`. |
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{% include image.html file="DSCN3130.JPG" alt="FDD and power supply" %} |
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### Case Connectors |
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These connectors are placed on the back part of the chassis. They have the |
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classic bracket form factor. |
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#### Connector 1 |
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- 1x female PS/2 mouse connector |
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- 1x female parallel port |
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#### Connector 2 |
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- 1x 9 pin male serial port |
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- 1x 25 pin male serial port |
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{% include image.html file="DSCN3134.JPG" alt="Keyboard and case connectors" %} |
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### External Accessories |
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- AT Montewrey Keyboard `MODEL : K280W` with the right foot/leg broken |
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(looking at the keyboard from behind). |
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- DELL Trinitron monitor `UltraScan 800HS Series MODEL: D825TM`, with a nice |
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integrated crack on the basement and a non functional horizontal line on the screen. |
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- A serial mouse (can't find it) |
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- Classical PC speakers (light blue transparent plastic) with power supply (can't find them) |
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{% include image.html file="DSCN3140.JPG" alt="monitor back view" %} |
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{% include image.html file="DSCN3143.JPG" alt="monitor front view" %} |
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