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emmanuel2
Visitor II
March 4, 2004
Question

STPC Vega DiskOnChip support

  • March 4, 2004
  • 6 replies
  • 1328 views
Posted on March 04, 2004 at 05:04

STPC Vega DiskOnChip support

    This topic has been closed for replies.

    6 replies

    E
    emmanuel2Author
    Visitor II
    July 17, 2003
    Posted on July 17, 2003 at 06:09

    Hi everyone.

    On our STPC Vega evaluation board, we have a DiskOnChip connector. Earlier specs we had in hand speak of native DiskOnChip support, but this seems to have mysteriously disappeared in recent specs.

    Does anyone have any information on this? Are DiskOnChips supported on the Vega? Or has this been abandonned?

    In advance, thanks.

    D
    davidbellegarde9
    Visitor II
    July 17, 2003
    Posted on July 17, 2003 at 06:49

    Hello,

    DoC is not working well with the VEGA STPC and the STPC support team does not recommend to use it. That's why they disappear in the spec.

    Regards.
    D
    denis23
    Visitor II
    July 22, 2003
    Posted on July 22, 2003 at 08:43

    To complete the answer, Yes STPC VEGA are not supporting DOC but as an alternative more and more customers are using Compact flash through IDE BUS. It is an other solution to work with Files managed as an Hard disk with a removale Device.

    Regards
    F
    fweerdenburg2
    Visitor II
    October 9, 2003
    Posted on October 09, 2003 at 10:30

    Hello STpc support team,

    Can you please explain what the actual problem is with the DiskOnChip on the VEGA evaluation board?

    For example: Is it a noice problem, or a timing issue?

    Can you think of a fix to implement in new designs?

    Regards, Frank
    M
    marios
    Visitor II
    October 9, 2003
    Posted on October 09, 2003 at 14:14

    Good comment Frankyboy! As the DOC needs nothing but a memory window on the ISA-bus, where is the problem? I'm not concerned about the DOC itself, but does that mean that there's a functionality limitation on the ISA-bus interface of the Vega?

    D
    denis23
    Visitor II
    March 4, 2004
    Posted on March 04, 2004 at 05:04

    After investigation our STPC VEGA support DiskOnChip. The incompatibility issue between M-System DOC and Rise CPU core can be resolved using the new firmware version 5.XX from M-system. So Millennium 8MB and upper and DOC2000 128MB and upper with the firmware 5.XX run well. Only DOC2000 from 16MB to 96MB are not supported. M- system advices people to better use Millenium than DOC 2000 in term of life cycle availability.

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