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@@ -160,6 +160,10 @@ LED indications in initiator mode:
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The firmware retries reads up to 5 times and attempts to skip any sectors that have problems.
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Any read errors are logged into `zululog.txt`.
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+Alternatively, if SD card is not inserted, the SCSI drive will be available to PC through USB connection.
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+The drive shows up as mass storage device (USB MSC).
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+Currently this primarily supports SCSI harddrives, but basic read access is supported for CD-ROM and other SCSI devices.
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+
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Depending on hardware setup, you may need to mount diode `D205` and jumper `JP201` to supply `TERMPWR` to the SCSI bus.
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This is necessary if the drives do not supply their own SCSI terminator power.
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Petteri Aimonen