Laser XT Restoration
The 8-Bit Guy・15 minutes read
The 8-Bit Guy documented the restoration of two Laser XT computers purchased on eBay, highlighting the challenges of creating a suitable power supply and cleaning and repairing components to get the computers working properly. Through meticulous research, cleaning, and testing, the computers were brought back to life, showcasing the detailed restoration process.
Insights
- The Laser 128 and Laser XT Compact computers are the primary focus of the 8-Bit Guy's documentary, showcasing the challenges and processes involved in restoring these vintage machines, including power supply compatibility issues and component cleaning techniques.
- Detailed steps in the restoration process include creating a custom power supply for the Laser XT using components from an old Commodore supply, cleaning the keyboard keys with hydrogen peroxide, and disassembling the computer for thorough cleaning, highlighting the meticulous care required in refurbishing these classic computers.
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Recent questions
What are the main components of the Laser 128 and Laser XT computers?
The Laser 128 and Laser XT computers are the main focus of the documentary by the 8-Bit Guy. The Laser 128 is easier to find compared to the Laser XT, which is an MS-DOS computer.
How were power supply issues resolved for the Laser XT computer?
The power supply for the Laser 128 was found to be compatible with the Laser XT but caused a short circuit due to different power requirements. The pinout for the power supply connector was determined using a multimeter and online research. A new power supply for the Laser XT was created using wires from an old Commodore power supply and verifying voltages on the computer board.
What were the main issues encountered with the first Laser XT computer?
The first Laser XT computer showed signs of life but had issues with the floppy drive and booting. Despite these challenges, the computer displayed signs of functionality, indicating potential for repair and restoration.
How was the second Laser XT computer cleaned and repaired?
The keyboard of the second Laser XT computer was disassembled for cleaning and repair, with keys soaked in hydrogen peroxide to remove yellowing. The case of the computer was cleaned using baking soda and water to remove a layer of black gunk. Disassembling and cleaning components such as the keyboard and speaker were essential steps in the restoration process.
What steps were taken to reassemble and test the Laser XT computer?
After cleaning and repairing various components, a broken part was replaced, and the computer was reassembled. Keys were reattached, and the RGB monitor was used to test composite and RGB outputs, with a preference for RGB in text display. A temporary power supply solution was implemented until an original one could be found, showcasing the meticulous process of reassembly and testing in the restoration journey.
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Summary
00:00
"Restoring Laser XT Computers: A Documentary"
- Laser 128 and XT Compact computers are the focus of a documentary by the 8-Bit Guy.
- Laser 128 is easier to find than the Laser XT, which is an MS-DOS computer.
- Two Laser XT computers were purchased from different sellers on eBay for $80 each, untested and missing keys and power supplies.
- The power supply for the Laser 128 is compatible with the Laser XT but caused a short circuit due to different power requirements.
- The pinout for the power supply connector was determined using a multimeter and online research.
- A power supply for the Laser XT was created using wires from an old Commodore power supply and verifying voltages on the computer board.
- The first Laser XT computer showed signs of life but had issues with the floppy drive and booting.
- The second Laser XT computer booted successfully to DOS and displayed CGA graphics.
- The keyboard of the second Laser XT computer was disassembled for cleaning and repair, with keys soaked in hydrogen peroxide to remove yellowing.
- The case of the second Laser XT computer was cleaned using baking soda and water to remove a layer of black gunk.
12:04
Computer Cleaning and Component Disassembly Process
- Cleaning the computer: A noticeable contrast is seen after cleaning the right side, prompting the cleaning of the entire computer. The rear plastic needs to be popped off carefully to access hidden tabs.
- Disassembling and cleaning components: The keyboard and speaker need to be removed for cleaning. The plastic parts are rinsed outside to remove baking soda and clean vents. Keys are drained and cleaned with alcohol, while the floppy drive rails are lubricated with lithium grease.
- Reassembly and testing: After replacing a broken part and reassembling the computer, keys are reattached. The RGB monitor is used to test composite and RGB outputs, with a preference for RGB in text display. A temporary power supply solution is implemented until an original one is found.
