X-Git-Url: https://www.codesrc.com/gitweb/index.cgi?p=SCSI2SD-V6.git;a=blobdiff_plain;f=src%2Ffirmware%2Fdisk.c;h=f1fd8c869c1da091f0b182381137b2364925720f;hp=f79842f0469cbb7a39b9e6620296729db8e91d68;hb=c55f6606a9a767e5e7a8b92100a9da15b9a8cbd1;hpb=d87ac401097b68ef7f48640e9d86c1e02f7d2da9

diff --git a/src/firmware/disk.c b/src/firmware/disk.c
index f79842f0..f1fd8c86 100755
--- a/src/firmware/disk.c
+++ b/src/firmware/disk.c
@@ -551,7 +551,9 @@ int scsiDiskCommand()
 static uint32_t
 calcReadahead(uint32_t totalBytes, uint32_t sdSpeedKBs, uint32_t scsiSpeedKBs)
 {
-	if (scsiSpeedKBs == 0 || scsiDev.hostSpeedMeasured == 0)
+	if (!(scsiDev.boardCfg.flags6 & S2S_CFG_ENABLE_BLIND_WRITES) ||
+		(scsiSpeedKBs == 0) ||
+		(scsiDev.hostSpeedMeasured == 0))
 	{
 		return totalBytes;
 	}