diff --git a/sys/src/9/pc/sdata.c b/sys/src/9/pc/sdata.c
index 5277c74dd..438ee90ba 100644
--- a/sys/src/9/pc/sdata.c
+++ b/sys/src/9/pc/sdata.c
@@ -2043,6 +2043,7 @@ atapnp(void)
 //		case (0x27C4<<16)|0x8086:	/* 82801GBM SATA (ICH7) */
 		case (0x27C5<<16)|0x8086:	/* 82801GBM SATA AHCI (ICH7) */
 		case (0x2820<<16)|0x8086:	/* 82801HB/HR/HH/HO SATA IDE */
+		case (0x2828<<16)|0x8086:	/* 82801HBM SATA (ICH8-M) */
 		case (0x2920<<16)|0x8086:	/* 82801(IB)/IR/IH/IO SATA IDE (ICH9) */
 		case (0x3a20<<16)|0x8086:	/* 82801JI (ICH10) */
 		case (0x3a26<<16)|0x8086:	/* 82801JI (ICH10) */