diff --git a/sys/pccard/i82365.h b/sys/pccard/i82365.h
index d7fec2f14868..6f19bb43fc65 100644
--- a/sys/pccard/i82365.h
+++ b/sys/pccard/i82365.h
@@ -39,8 +39,8 @@
 #define	PCIC_I82365	0		/* Intel i82365SL-A/B or clone */
 #define	PCIC_IBM	1		/* IBM clone */
 #define	PCIC_VLSI	2		/* VLSI chip */
-#define	PCIC_PD672X	3		/* Cirrus logic 672x */
-#define	PCIC_PD6710	4		/* Cirrus logic 6710 */
+#define	PCIC_PD6722	3		/* Cirrus logic PD6722 */
+#define	PCIC_PD6710	4		/* Cirrus logic PD6710 */
 #define	PCIC_VG365	5		/* Vadem 365 */
 #define	PCIC_VG465      6		/* Vadem 465 */
 #define	PCIC_VG468	7		/* Vadem 468 */
@@ -49,6 +49,8 @@
 #define	PCIC_RF5C396	10		/* Ricoh RF5C396 */
 #define	PCIC_IBM_KING	11		/* IBM KING PCMCIA Controller */
 #define PCIC_I82365SL_DF 12		/* Intel i82365sl-DF step */
+#define PCIC_PD6729	13		/* Cirrus Logic PD6729 */
+#define PCIC_PD673X	14		/* Cirrus Logic PD673x */
 
 /*
  *	Address of the controllers. Each controller can manage
@@ -81,10 +83,12 @@
 #define PCIC_IO1	0x0c	/* I/O Address 1 */
 #define	PCIC_MEMBASE	0x10	/* Base of memory window registers */
 #define PCIC_CDGC	0x16	/* Card Detect and General Control */
-#define PCIC_MISC1	0x16	/* PD672x: Misc control register 1 per slot */
+#define PCIC_MISC1	0x16	/* PD67xx: Misc control register 1 per slot */
 #define PCIC_GLO_CTRL	0x1e	/* Global Control Register */
-#define PCIC_MISC2	0x1e	/* PD672x: Misc control register 2 per chip */
+#define PCIC_MISC2	0x1e	/* PD67xx: Misc control register 2 per chip */
 #define PCIC_CLCHIP	0x1f	/* PD67xx: Chip I/D */
+#define PCIC_EXT_IND	0x2e	/* PD67xx: Extended Index */
+#define PCIC_EXTENDED	0x2f	/* PD67xx: Extended register */
 #define PCIC_CVSR	0x2f	/* Vadem: Voltage select register */
 #define PCIC_RICOH_MCR2 0x2f	/* Ricoh: Mode Control Register 2 */
 
@@ -248,6 +252,15 @@
 #define PCIC_CLC_TOGGLE 0xc0		/* These bits toggle 1 -> 0 */
 #define PCIC_CLC_DUAL	0x20		/* Single/dual socket version */
 
+/* Cirrus Logic: Extended Registers (PCIC_EXT_IND) */
+#define PCIC_EXT_DATA	0x0a		/* External Data */
+
+/* EXT_DATA */
+#define PCIC_VS1A	0x01
+#define PCIC_VS2A	0x02
+#define PCIC_VS1B	0x04
+#define PCIC_VS2B	0x08
+
 /* Vadem: Card Voltage Select register (PCIC_CVSR) */
 #define PCIC_CVSR_VS	0x03		/* Voltage select */
 #define PCIC_CVSR_VS_5	0x00		/* 5.0 V */
diff --git a/sys/pccard/pcic.c b/sys/pccard/pcic.c
index aaa683abe94b..b3ad06e380df 100644
--- a/sys/pccard/pcic.c
+++ b/sys/pccard/pcic.c
@@ -558,6 +558,7 @@ pcic_power(struct slot *slt)
 	unsigned char c;
 	unsigned char reg = PCIC_DISRST | PCIC_PCPWRE;
 	struct pcic_slot *sp = slt->cdata;
+	struct pcic_slot *sp2;
 	struct pcic_softc *sc = sp->sc;
 
 	/*
@@ -577,19 +578,36 @@ pcic_power(struct slot *slt)
 	}
 	if (sc->flags & PCIC_PD_POWER) {
 		/*
-		 * Datasheets indicate that this is only supported on
-		 * the CL-PD6710.  However, my 6722 seems to support
-		 * it as well.  The datasheet for the '22 talks about
-		 * the need to read this from register 0x6f.0xa (both
-		 * slots are read from the same register).  The
-		 * datasheet is a little vauge.  The '29 datasheet is
-		 * clear and spells out the recommends way on the '22
-		 * is the way on the '29.  Note: PCIC_MISC1_5V_DETECT
-		 * is definitely not defined on the '29.
+		 * The 6710 does it one way, and the '22 and '29 do it
+		 * another.  And it appears that the '32 and '33 yet
+		 * another way (which I don't know).
 		 */
-		c = sp->getb(sp, PCIC_MISC1);
-		if ((c & PCIC_MISC1_5V_DETECT) == 0)
-			slt->pwr.vcc = 33;
+		switch (sp->controller) {
+		case PCIC_PD6710:
+			c = sp->getb(sp, PCIC_MISC1);
+			if ((c & PCIC_MISC1_5V_DETECT) == 0)
+				slt->pwr.vcc = 33;
+			break;
+		case PCIC_PD6722:
+		case PCIC_PD6729:
+			/*
+			 * VS[12] signals are in slot1's extended reg 0xa.
+			 */
+			sp2 = &sc->slots[1];
+			sp2->putb(sp2, PCIC_EXT_IND, PCIC_EXT_DATA);
+			c = sp2->getb(sp2, PCIC_EXTENDED);
+			if (sp == sp2) {	/* slot 1 */
+				if ((c & PCIC_VS1B) == 0)
+					slt->pwr.vcc = 33;
+			} else {
+				if ((c & PCIC_VS1A) == 0)
+					slt->pwr.vcc = 33;
+			}
+			break;
+		default:
+			/* I have no idea how do do this for others */
+			break;
+		}
 
 		/*
 		 * Regardless of the above, setting the Auto Power Switch
@@ -757,7 +775,7 @@ pcic_reset(void *chan)
 		}
 	}
 	slt->insert_seq = 0;
-	if (sp->controller == PCIC_PD672X || sp->controller == PCIC_PD6710) {
+	if (sp->controller == PCIC_PD6722 || sp->controller == PCIC_PD6710) {
 		sp->putb(sp, PCIC_TIME_SETUP0, 0x1);
 		sp->putb(sp, PCIC_TIME_CMD0, 0x6);
 		sp->putb(sp, PCIC_TIME_RECOV0, 0x0);
@@ -790,7 +808,7 @@ pcic_resume(struct slot *slt)
 	struct pcic_slot *sp = slt->cdata;
 
 	pcic_do_mgt_irq(sp, slt->irq);
-	if (sp->controller == PCIC_PD672X) {
+	if (sp->controller == PCIC_PD6722) {
 		pcic_setb(sp, PCIC_MISC1, PCIC_MISC1_SPEAKER);
 		pcic_setb(sp, PCIC_MISC2, PCIC_LPDM_EN);
 	}
diff --git a/sys/pccard/pcic_isa.c b/sys/pccard/pcic_isa.c
index e20eedfc388b..a35dc01577b3 100644
--- a/sys/pccard/pcic_isa.c
+++ b/sys/pccard/pcic_isa.c
@@ -63,7 +63,7 @@ static struct {
 	{ "Intel i82365SL-A/B",	PCIC_AB_POWER},
 	{ "IBM PCIC",		PCIC_AB_POWER},
 	{ "VLSI 82C146",	PCIC_AB_POWER},
-	{ "Cirrus logic 672x",	PCIC_PD_POWER},
+	{ "Cirrus logic 6722",	PCIC_PD_POWER},
 	{ "Cirrus logic 6710", 	PCIC_PD_POWER},
 	{ "Vadem 365",		PCIC_VG_POWER},
 	{ "Vadem 465",		PCIC_VG_POWER},
@@ -251,7 +251,7 @@ pcic_isa_probe(device_t dev)
 			c = sp->getb(sp, PCIC_CLCHIP);
 			if ((c & PCIC_CLC_TOGGLE) == 0) {
 				if (c & PCIC_CLC_DUAL)
-					sp->controller = PCIC_PD672X;
+					sp->controller = PCIC_PD6722;
 				else
 					sp->controller = PCIC_PD6710;
 				sp->revision = 8 - ((c & 0x1F) >> 2);
@@ -272,7 +272,7 @@ pcic_isa_probe(device_t dev)
 		 * that claims to reduce power consumption by 30%, so
 		 * enable it and hope for the best.
 		 */
-		if (sp->controller == PCIC_PD672X) {
+		if (sp->controller == PCIC_PD6722) {
 			pcic_setb(sp, PCIC_MISC1, PCIC_MISC1_SPEAKER);
 			pcic_setb(sp, PCIC_MISC2, PCIC_LPDM_EN);
 		}
diff --git a/sys/pccard/pcic_pci.c b/sys/pccard/pcic_pci.c
index 02b68f50413e..74935c39904d 100644
--- a/sys/pccard/pcic_pci.c
+++ b/sys/pccard/pcic_pci.c
@@ -196,16 +196,16 @@ struct pcic_pci_table
 } pcic_pci_devs[] = {
 	{ PCI_DEVICE_ID_PCIC_CLPD6729,
 	  "Cirrus Logic PD6729/6730 PC-Card Controller",
-	  PCIC_PD672X, PCIC_PD_POWER, &pcic_pci_pd67xx_chip },
+	  PCIC_PD6729, PCIC_PD_POWER, &pcic_pci_pd67xx_chip },
 	{ PCI_DEVICE_ID_PCIC_CLPD6832,
 	  "Cirrus Logic PD6832 PCI-CardBus Bridge",
-	  PCIC_PD672X, PCIC_PD_POWER, &pcic_pci_pd68xx_chip },
+	  PCIC_PD673X, PCIC_PD_POWER, &pcic_pci_pd68xx_chip },
 	{ PCI_DEVICE_ID_PCIC_CLPD6833,
 	  "Cirrus Logic PD6833 PCI-CardBus Bridge",
-	  PCIC_PD672X, PCIC_PD_POWER, &pcic_pci_pd68xx_chip },
+	  PCIC_PD673X, PCIC_PD_POWER, &pcic_pci_pd68xx_chip },
 	{ PCI_DEVICE_ID_PCIC_CLPD6834,
 	  "Cirrus Logic PD6834 PCI-CardBus Bridge",
-	  PCIC_PD672X, PCIC_PD_POWER, &pcic_pci_pd68xx_chip },
+	  PCIC_PD673X, PCIC_PD_POWER, &pcic_pci_pd68xx_chip },
 	{ PCI_DEVICE_ID_PCIC_OZ6729,
 	  "O2micro OZ6729 PC-Card Bridge",
 	  PCIC_I82365, PCIC_AB_POWER, &pcic_pci_oz67xx_chip },
@@ -1185,7 +1185,7 @@ pcic_pci_attach(device_t dev)
 			sp[i].getb = pcic_getb_io;
 			sp[i].putb = pcic_putb_io;
 			sp[i].offset = i * PCIC_SLOT_SIZE;
-			sp[i].controller = PCIC_PD672X;
+			sp[i].controller = PCIC_PD6729;
 			if ((sp[i].getb(&sp[i], PCIC_ID_REV) & 0xc0) == 0x80)
 				sp[i].slt = (struct slot *) 1;
 		}