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Add MSC Initiator mode to readme

Petteri Aimonen 10 bulan lalu
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      README.md

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README.md

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