Merge pull request #331 from ZuluSCSI/initiator-odd-size-fix

Apply @ZigZagJoe's patch to fix initiator mode for oddly-sized HDDs
ZuluSCSI · Nov 3, 2023 · 8966933 · 8966933
2 parents d993265 + 64c8240
commit 8966933
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/ZuluSCSI_initiator.cpp b/src/ZuluSCSI_initiator.cpp
@@ -767,7 +767,9 @@ bool scsiInitiatorReadDataToFile(int target_id, uint32_t start_sector, uint32_t
 {
     int status = -1;
 
-    if (start_sector < 0xFFFFFF && sectorcount <= 256)
+    // Read6 command supports 21 bit LBA - max of 0x1FFFFF
+    // ref: https://www.seagate.com/files/staticfiles/support/docs/manual/Interface%20manuals/100293068j.pdf pg 134
+    if (start_sector < 0x1FFFFF && sectorcount <= 256)
     {
         // Use READ6 command for compatibility with old SCSI1 drives
         uint8_t command[6] = {0x08,