diff --git a/src/arch/i386/firmware/pcbios/bios_console.c b/src/arch/i386/firmware/pcbios/bios_console.c
index 7b2f8ade..63413cdc 100644
--- a/src/arch/i386/firmware/pcbios/bios_console.c
+++ b/src/arch/i386/firmware/pcbios/bios_console.c
@@ -43,6 +43,8 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 #define ATTR_FCOL_YELLOW	0x06
 #define ATTR_FCOL_WHITE		0x07
 
+#define ATTR_BLINK		0x80
+
 #define ATTR_BCOL_MASK		0x70
 #define ATTR_BCOL_BLACK		0x00
 #define ATTR_BCOL_BLUE		0x10
@@ -141,8 +143,12 @@ static void bios_handle_sgr ( struct ansiesc_context *ctx __unused,
 			bios_attr = ATTR_DEFAULT;
 		} else if ( aspect == 1 ) {
 			bios_attr |= ATTR_BOLD;
+		} else if ( aspect == 5 ) {
+			bios_attr |= ATTR_BLINK;
 		} else if ( aspect == 22 ) {
 			bios_attr &= ~ATTR_BOLD;
+		} else if ( aspect == 25 ) {
+			bios_attr &= ~ATTR_BLINK;
 		} else if ( ( aspect >= 30 ) && ( aspect <= 39 ) ) {
 			bios_attr &= ~ATTR_FCOL_MASK;
 			bios_attr |= bios_attr_fcols[ aspect - 30 ];