diff -rpu mach64.org/mach64.c mach64/mach64.c
--- mach64.org/mach64.c	Tue Nov  7 02:19:26 2000
+++ mach64/mach64.c	Tue Nov  7 02:22:02 2000
@@ -608,13 +608,13 @@ static ATIInformationBlock *GetATIInform
 #if 0
 	if (tmp2 & AUTO_HORZ_RATIO)
 #endif
-	    info.LCDHorizontal = (((tmp2 >> 20) & 0x0FF) + 1) << 3;
+	  info.LCDHorizontal = (((tmp2 >> 20) & 0x0FF) + 1) << 3;
 	outb(ioLCD_INDEX, LCD_EXT_VERT_STRETCH);
 	tmp2 = inl(ioLCD_DATA);
 #if 0
 	if (tmp2 & AUTO_VERT_RATIO)
 #endif
-	    info.LCDVertical = ((tmp2 >> 11) & 0x7FF) + 1;
+	  info.LCDVertical = ((tmp2 >> 11) & 0x7FF) + 1;
 	outb(ioLCD_INDEX, LCD_GEN_CNTL);
 	tmp2 = inl(ioLCD_DATA);
 	break;
@@ -801,10 +801,10 @@ static ATIInformationBlock *GetATIInform
 
    info.PanelID = bios_data[LCDPanelInfo];
    info.LCDHorizontal =
-       (bios_data[LCDPanelInfo + 0x1A] << 8) + bios_data[LCDPanelInfo + 0x19];
-   info.LCDVertical =
-       (bios_data[LCDPanelInfo + 0x1C] << 8) + bios_data[LCDPanelInfo + 0x1B];
-
+     (bios_data[LCDPanelInfo + 0x1A] << 8) + bios_data[LCDPanelInfo + 0x19];
+    info.LCDVertical =
+      (bios_data[LCDPanelInfo + 0x1C] << 8) + bios_data[LCDPanelInfo + 0x1B]; 
+    
    return &info;
 }
 
@@ -1559,13 +1559,27 @@ mach64Probe()
 	CARD32 h_total_disp, h_sync_strt_wid, v_total_disp, v_sync_strt_wid;
 	int HDisplay, VDisplay;
 
+	/* modified by T.Kinjo 20001108                    */
+	/* force value to fit VAIO-C1 Super-XSVGA 1024x480 */
+	/* autoprobe seems to be failed...                 */
+
+	ErrorF("!!! CAUTION: THIS SERVER IS FOR _VAIO-C1VJ_ ONLY !!!\n");
+	ErrorF(" This XF86_Mach64 server is modified by T. Kinjo\n");
+	ErrorF("     <t-kinjo@tc4.so-net.ne.jp> 2000/11/08\n");
+
 	mach64LCDHorizontal = info->LCDHorizontal;
 	mach64LCDVertical = info->LCDVertical;
 	mach64LCDClock = mach64GetCTClock(0);
-	ErrorF("%s %s: %dx%d panel (ID %d) detected;  clock %.2f MHz\n",
-		XCONFIG_PROBED, mach64InfoRec.name,
-		mach64LCDHorizontal, mach64LCDVertical, mach64LCDPanelID,
-		(double)mach64LCDClock / 100.0);
+	ErrorF("(tk) %s: %dx%d panel (ID %d) detected;  clock %.2f MHz\n",
+	       mach64InfoRec.name,
+	       mach64LCDHorizontal, mach64LCDVertical, mach64LCDPanelID,
+	       (double)mach64LCDClock / 100.0);
+
+	mach64LCDVertical = 480;    /* force fixed value */
+	mach64LCDClock = 6000;      /* force fixed value */
+	ErrorF("             -> %dx%d panel; clock %.2f MHz(forced)\n",
+	       mach64LCDHorizontal, mach64LCDVertical,
+	       (double)mach64LCDClock / 100.0);
 
 	/*
 	 * Determine porch data.  The intent here is to produce stretched modes
@@ -1576,6 +1590,14 @@ mach64Probe()
 	h_sync_strt_wid = inl(ioCRTC_H_SYNC_STRT_WID);
 	v_total_disp = inl(ioCRTC_V_TOTAL_DISP);
 	v_sync_strt_wid = inl(ioCRTC_V_SYNC_STRT_WID);
+	ErrorF("(tk) %s: (v_total:%d, v_sync_strt_w:%d)\n",
+	       mach64InfoRec.name,
+	       v_total_disp, v_sync_strt_wid );
+
+	v_total_disp = (480 << 16) + 29129990;
+	v_sync_strt_wid = inl(ioCRTC_V_SYNC_STRT_WID) + 804;
+	ErrorF("             -> (%d, %d)(forced)\n",
+	       v_total_disp, v_sync_strt_wid );
 
 	HDisplay = h_total_disp >> 16;
 	VDisplay = v_total_disp >> 16;
@@ -1590,7 +1612,7 @@ mach64Probe()
 	LCDVBlankWidth = (v_total_disp & 0x7FF) - VDisplay;
 
 	if (!(inl(ioCRTC_GEN_CNTL) & CRTC_EXT_DISP_EN)) {
-	    /* Adjust for VGA */
+	  /* Adjust for VGA */
 	    LCDHSyncWidth = (LCDHSyncWidth - LCDHSyncStart - HDisplay) & 0x1F;
 	    LCDHBlankWidth += 4;
             LCDVSyncWidth = (LCDVSyncWidth - LCDVSyncStart - VDisplay) & 0x0F;
diff -rpu mach64.org/mach64init.c mach64/mach64init.c
--- mach64.org/mach64init.c	Tue Nov  7 02:19:26 2000
+++ mach64/mach64init.c	Tue Nov  7 02:22:21 2000
@@ -2433,7 +2433,8 @@ void mach64InitDisplay(screen_idx)
 		old_VERT_STRETCHING = regr(VERT_STRETCHING);
 		old_POWER_MANAGEMENT = regr(POWER_MANAGEMENT);
 		/* Disable panel's APM */
-		regw(POWER_MANAGEMENT, old_POWER_MANAGEMENT & ~PWR_MGT_ON);
+		/* modified by T.Kinjo 20001012 */
+		regw(POWER_MANAGEMENT, old_POWER_MANAGEMENT | PWR_MGT_ON);
 	    } else {
 		/* All others */
 		old_LCD_INDEX = inl(ioLCD_INDEX);
@@ -2461,7 +2462,8 @@ void mach64InitDisplay(screen_idx)
 		outb(ioLCD_INDEX, LCD_POWER_MANAGEMENT);
 		old_POWER_MANAGEMENT = inl(ioLCD_DATA);
 		/* Disable panel's APM */
-		outl(ioLCD_DATA, old_POWER_MANAGEMENT & ~PWR_MGT_ON);
+		/* modified by T.Kinjo 20001012 */
+		outl(ioLCD_DATA, old_POWER_MANAGEMENT | PWR_MGT_ON);
 		if ((mach64ChipType != MACH64_LB_ID) &&
 		    (mach64ChipType != MACH64_LD_ID) &&
 		    (mach64ChipType != MACH64_LI_ID) &&