diff --git a/src/scsi/scsi_aha154x.c b/src/scsi/scsi_aha154x.c
index 43fbf360f..5bfe854b3 100644
--- a/src/scsi/scsi_aha154x.c
+++ b/src/scsi/scsi_aha154x.c
@@ -1025,6 +1025,7 @@ aha_init(const device_t *info)
             dev->rom_shramsz     = 128;             /* size of shadow RAM */
             dev->rom_ioaddr      = 0x3F7E;          /* [2:0] idx into addr table */
             dev->rom_fwhigh      = 0x0022;          /* firmware version (hi/lo) */
+            dev->flags |= X54X_HAS_SIGNATURE;
             dev->ven_get_host_id = aha_get_host_id; /* function to return host ID from EEPROM */
             dev->ven_get_irq     = aha_get_irq;     /* function to return IRQ from EEPROM */
             dev->ven_get_dma     = aha_get_dma;     /* function to return DMA channel from EEPROM */
@@ -1041,6 +1042,7 @@ aha_init(const device_t *info)
             dev->rom_ioaddr  = 0x3F7E; /* [2:0] idx into addr table */
             dev->rom_fwhigh  = 0x0022; /* firmware version (hi/lo) */
             dev->flags |= X54X_CDROM_BOOT;
+            dev->flags |= X54X_HAS_SIGNATURE;
             dev->ven_get_host_id = aha_get_host_id; /* function to return host ID from EEPROM */
             dev->ven_get_irq     = aha_get_irq;     /* function to return IRQ from EEPROM */
             dev->ven_get_dma     = aha_get_dma;     /* function to return DMA channel from EEPROM */
@@ -1061,6 +1063,7 @@ aha_init(const device_t *info)
             dev->rom_fwhigh  = 0x0055; /* firmware version (hi/lo) */
             dev->flags |= X54X_CDROM_BOOT;
             dev->flags |= X54X_ISAPNP;
+            dev->flags |= X54X_HAS_SIGNATURE;
             dev->ven_get_host_id = aha_get_host_id; /* function to return host ID from EEPROM */
             dev->ven_get_irq     = aha_get_irq;     /* function to return IRQ from EEPROM */
             dev->ven_get_dma     = aha_get_dma;     /* function to return DMA channel from EEPROM */
@@ -1085,6 +1088,7 @@ aha_init(const device_t *info)
             dev->fw_rev    = "BB01";
 
             dev->flags |= X54X_LBA_BIOS;
+            dev->flags |= X54X_HAS_SIGNATURE; /*To be confirmed*/
 
             /* Enable MCA. */
             dev->pos_regs[0] = 0x1F; /* MCA board ID */