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  • 94G2764 ? Re: The last spark before the darkness Re: RAIDERs of the Lost 520

    From Louis Ohland@ohland@charter.net to comp.sys.ibm.ps2.hardware on Mon Feb 2 10:57:57 2026
    From Newsgroup: comp.sys.ibm.ps2.hardware

    https://www.infania.net/misc/psref/scwbook.pdf

    Page 3

    SCSI-2 Fast/Wide PCI RAID Adapter Savannah
    Mylex / modification of DAC960P

    Option
    Adapter in PC Server 320 array
    SCSI-2 Fast/Wide 16 bit / 20 MB/sec
    PCI 32 bit / 132 MB/sec

    RAID 0, 1, Hybrid 1, 5
    4 independent (A,B,C,D) / 8 logical arrays
    i960 at 25 MHz
    PCI standard
    Two (one internal; one internal or external)
    Three total:
    Two internal - 16 bit wide
    One external - 16 bit wide
    Can only use two connectors at any one time
    14 per adapter (7 max per channel)
    4 MB / 4 MB (with parity) 70 ns
    One 72 pin socket
    Write-through or write-back
    June 1995 / April 1997
    1 year
    $ 1,840
    94G2764
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  • From Wolfgang Gehl@wolfgang_no_spam@maxi-dsl.de to comp.sys.ibm.ps2.hardware on Fri Feb 6 20:25:44 2026
    From Newsgroup: comp.sys.ibm.ps2.hardware

    Am 03.02.26 um 22:58 schrieb Wolfgang Gehl:
    With a bit of luck, I'll find a working Corvette and install it in the Server 520. I want to know if it can stream at 40 MB/s (that's what the
    520 manual says, anyway) or if the last BIOS update has slowed it down.

    I found a Corvette Turbo (93H7896). As usual, there's a shortage of
    suitable cables for the Wide SCSI port. Therefore, I'll borrow the SCSI
    cable from an RS6K 3BT.

    Before disabling the Adaptec AIC-7870 SCSI adapter, I'll build a
    suitable kernel with optional support for either the Adaptec AIC-7870 or
    the IBM MCA SCSI adapter.

    Then I need to adjust the SCSI IDs: the hard drive from ID0 to ID6 and
    the CD-ROM drive from ID6 to ID0. This will require disassembling and reassembling everything.

    This way, it should work.

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