Doge Microsystems

@DogeMicrosys

Sun enthusiast, and aspiring data scientist

Vrijeme pridruživanja: lipanj 2011.

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  1. Prikvačeni tweet
    9. velj 2019.

    My build you own dial up ISP in 2019 tutorial is done 😁 Let me know if you have questions!

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  2. 20. sij
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  3. 19. sij

    That's all for the SPARCstation 2! I'll have a bit more info here:

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  4. 19. sij

    The system speaker and power LED connect directly to the system board.

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  5. 19. sij

    The power connection to the floppy drive is only 5V with the 12V line going to the cooling fan. Odd that the labels are hand written

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  6. 19. sij

    System cooling is minimal with just the power supply fan and a single fan in the front of the case.

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  7. 19. sij

    The Address Switch on the rear is used to set the drive select address (duh) of the drive on the cable (If thats wrong I'm sure knows!)

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  8. 19. sij

    The floppy drive is a Sony MP-F17W-5PF with software controlled eject

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  9. 19. sij

    A truly spacious 213MB (remember, it was 1990) full height HDD from Maxtor with its mounting bracket and cabling.

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  10. 19. sij

    Sun270-1415-04 Color Frame Buffer (GWVS4CG3) with 13W3 connector

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  11. 19. sij

    The system power supply

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  12. 19. sij

    Main memory is made up of 16x 4MB 30-pin 80ns SIMMs. 128MB was possible via an upgrade card in an SBUS slot.

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  13. 19. sij

    Clockwise we have the cache, Cypress Semiconducto CY7C601 40MHz "SPARC integer unit (IU)", and "SPARC floating point unit (FPU)" from TI

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  14. 19. sij

    The system board layout is straight forward: Internal IO at the top, then RAM, then SBUS expansions, followed by processing and IO control.

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  15. 19. sij

    With the case emptied out we can see the lengths Sun went to for EMI shielding with the mesh gratings and gasket around the floppy drive.

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  16. 19. sij

    Under the lid we have the usual layout for sparcstations with disks at the front, system board at the back, and power supply down the side.

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  17. 19. sij

    Rear I/O is High Density 50-pin SCSI, Ethernet AUI, Two DB25 serial TTY, Keyboard, and Audio. This unit also has a SBUS framebuffer output.

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  18. 19. sij

    Sun SPARCstation 2 with 40 MHz CY7C601 CPU, 64MB ram, and 213MB SCSI HDD

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  19. 28. pro 2019.

    I'm going to try my hand at InnoTab hacking again :D

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  20. 24. pro 2019.

    Happy holidays everyone! And remember, as long as we all keep tinkering the Sun never truely sets.

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  21. 15. pro 2019.

    More parts have arrived for my modem pool :)

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