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-rw-r--r--hw/sd/sd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 110f2f1d0a..3526269dbe 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -357,7 +357,7 @@ static void sd_set_csd(SDState *sd, uint64_t size)
sd->csd[0] = 0x00; /* CSD structure */
sd->csd[1] = 0x26; /* Data read access-time-1 */
sd->csd[2] = 0x00; /* Data read access-time-2 */
- sd->csd[3] = 0x5a; /* Max. data transfer rate */
+ sd->csd[3] = 0x32; /* Max. data transfer rate: 25 MHz */
sd->csd[4] = 0x5f; /* Card Command Classes */
sd->csd[5] = 0x50 | /* Max. read data block length */
HWBLOCK_SHIFT;