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  1. vaxorcist

    DEC "Leprechaun" Box Power Supply (30-22561) Schematics wanted

    I own several very useful DEC "Leprechaun" Boxes, e.g. RD54-DB, RD53-DB, TK50-DB, RX50-DB, but in all but one the Power Supply has failed. Has anyone got the Maintenance Print Set (sorry, I don't know the number) or just the schematics for the power supply? Thanks!
  2. vaxorcist

    Anyone got a DMP11 (M8207-YA) or DMP11 ROM images? / DDCMP usage

    I'd like to be able to update my DMR11 to a DMP11 (enable DDCMP multipoint operation). According to the print sets (DMR11: MP00911, DMP11: MP00795) the only difference between the two is the set of ROMs. The DMP11 has got the following ROMs: - 23-057F4 - 23-058F4 - 23-059F4 - 23-062F4 - 23-063F4...
  3. vaxorcist

    BA23 Cooling and H9278 Power Supply Questions

    I asked this questions ten years ago at comp.os.vms.narkive.com, but there were no substantial answers: I have several BA23 enclosures with differing cooling assemblies and power supplies. I'm not sure everything is still as it once was when it was sold. Questions concerning the BA23 cooling...
  4. vaxorcist

    RL02 Boot Code for a MicroVAX I

    The MicroVAX I (not "II") has very limited boot code included in its ROM. For a special project I'd like to boot my MicroVAX I from an RLV12/RL02 controller/disk. Does anyone know the boot code for an RL02 drive on a MicroVAX I? Or is anyone capable of extracting the RL02 boot code from the...
  5. vaxorcist

    Looking for H7100 VAX-11/780 Power Supply Field Maintenance Print Set

    I'm looking for the MP-00480 H7100 Field Maintenance Print Set for a restoration project of a VAX-11/785. I know that some (but not all) details of the H7100 are covered in the MP-01020 and MP-01021 Print Sets for the VAX-11/750 Power Supply H7104 available at bitsavers.org. Who can help? Ulli
  6. vaxorcist

    Wanted: EK-VSTAB-MG VAXstation 2000 and MicroVAX 2000 Maintenance Guide

    Who has got the "EK-VSTAB-MG VAXstation 2000 and MicroVAX 2000 Maintenance Guide"? I cannot find a scan of it on bitsavers or elsewhere. Would be super nice if someone could scan this manual and make it available online! Thanks in advance, Ulli
  7. vaxorcist

    Manuals for DECnet-VAX V1.3 wanted

    DECnet-VAX V1.3 software (used with VMS V2.0 and V2.1) has been rediscovered. This is very early DECnet Phase II using DMC11 for point-to-point connections. NCP is working, but there are still some problems left to be solved. Has anyone got one or more of the following DECnet V1.3 manuals...
  8. vaxorcist

    How to force XXDP V2.5 into the small monitor on booting on a PDP-11/03?

    Hi folks, does anyone know how to force XXDP V2.5 into the small monitor on booting on a PDP-11/03? On other PDP-11s (I tested it on a 11/23) XXDP recognizes when the small monitor is needed because of small memory, on the 11/03 it drop to ODT :-( Any ideas? Regards Ulli
  9. vaxorcist

    HSC Manuals wanted

    We need the following manuals urgently: - EK-HS572-TM - HSC50/70 Software Technical Manual - EK-HS574-TM - HSC50/70 Chip Description Technical Manual PMs welcome. Thanks Ulli
  10. vaxorcist

    Problems using tu58em with VAX-11/725 / VAX-11/730

    Hi, when trying to use the well-proven tu58em with my VAX-11/725 (same CPU as VAX-11/730) I get the following error message: unknown packet flag C0 FF respectively: unknown packet flag C0 40 FE when retrying with the console command [CTRL+c]. Any ideas what might help? Any other TU58...
  11. vaxorcist

    MicroVAX I (One) disk controller problem

    Some weeks ago my MicroVAX I disk controller died together with the disk. I guess they got used to each other so much that they passed away collectively ... I used a Webster SRQD11-B/02 MFM controller and an ST-251 formatted as an RD52 (the SRQD-11 allows to mimic almost arbitrary disk types)...
  12. vaxorcist

    BA23 Cooling and Power Supply Questions

    I have several BA23 enclosures with differing cooling assemblies and power supplies. I'm not sure everything is still as it once was when it was sold. Questions concerning the BA23 cooling and PSUs: Where/when and in what combinations were the following cooling options used: - With/without...
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