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Thread: DEC VT-510: Inescapable NVR Error

  1. #1
    Join Date
    Oct 2016
    Location
    Illinois, USA
    Posts
    479

    Default DEC VT-510: Inescapable NVR Error

    So, I got my first terminal - a DEC VT-510 at a solid price. Sounded like it would be fine - only issue was a NVR error on boot. Figured that'd be simple enough - the manual doesn't mention anything about RTC batteries, but I should be able to just restore the defaults and get along fine, right? Well, I restored the defaults and tried to save the settings...



    Well, maybe this one won't be so simple. I needed to go under the hood to make some vertical size adjustments anyways so I thought I'd look for a RTC battery in case it needs replacing, but I couldn't spot anything. Anyone have pointers for me? The terminal itself works fine, but having everything reset on every restart could be a bit of a core as time goes on.
    Last edited by MrArgent; September 20th, 2020 at 12:26 PM.
    General Failure Reading Drive C -
    Abort, Retry, Ignore?

  2. #2
    Join Date
    Sep 2019
    Location
    Zurich, CH
    Posts
    221

    Default

    Quote Originally Posted by MrArgent View Post
    So, I got my first terminal - a DEC VT-510 at a solid price. Sounded like it would be fine - only issue was a NVR error on boot. Figured that'd be simple enough - the manual doesn't mention anything about RTC batteries, but I should be able to just restore the defaults and get along fine, right? Well, I restored the defaults and tried to save the settings...



    Well, maybe this one won't be so simple. I needed to go under the hood to make some vertical size adjustments anyways so I thought I'd look for a RTC battery in case it needs replacing, but I couldn't spot anything. Anyone have pointers for me? The terminal itself works fine, but having everything reset on every restart could be a bit of a core as time goes on.
    As far as I know, it's not using battery backed ram, but an EEPROM.

  3. #3
    Join Date
    Oct 2016
    Location
    Illinois, USA
    Posts
    479

    Default

    Yeah, I've IDed the EEPROM and have replacements on the way from Mouser. Wish me luck! Also, good grief these plastics are frail.
    General Failure Reading Drive C -
    Abort, Retry, Ignore?

  4. #4
    Join Date
    Oct 2016
    Location
    Illinois, USA
    Posts
    479

    Default

    Update: It was E7, the Atmel EEPROM (natch). Replacing it caused settings to commit just fine.
    Last edited by MrArgent; September 23rd, 2020 at 01:53 PM.
    General Failure Reading Drive C -
    Abort, Retry, Ignore?

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