diff -rpu mach64.orig/mach64.c mach64/mach64.c
--- mach64.orig/mach64.c	Fri Jan 28 03:30:25 2000
+++ mach64/mach64.c	Fri Jan 28 03:41:42 2000
@@ -32,6 +32,7 @@
  */
 /* $XConsortium: mach64.c /main/34 1996/10/28 04:46:47 kaleb $ */
 
+#define DEBUG 1
 #include "X.h"
 #include "Xmd.h"
 #include "input.h"
@@ -453,6 +454,8 @@ static ATIInformationBlock *GetATIInform
    int                        LCDPanelInfo;
 #endif /* __sparc__ */
 
+   ErrorF("\nThis modified Mach64 X server was compiled by Steve Hsieh.\nSee http://www.eecs.umich.edu/~steveh/inspiron/ for more information. v4\n\n");
+
 #ifndef __sparc__
    if (xf86ReadBIOS(mach64InfoRec.BIOSbase, 0x30,
 		    (unsigned char *)bios_signature, 10) != 10) {
@@ -1655,6 +1658,18 @@ mach64Probe()
 		XCONFIG_PROBED, mach64InfoRec.name,
 		mach64LCDHorizontal, mach64LCDVertical, mach64LCDPanelID,
 		(double)mach64LCDClock / 100.0);
+
+       /* Original hack by Panu Outinen <panu@vertex.fi>: force 80MHz 
+	  LCD clock on 1400x1050 Mobility-P.
+          Modified by Steve Hsieh <http://www.eecs.umich.edu/~steveh/inspiron/>
+	  to force LCD clock to 107.85MHz if screen resolution is
+	  1400x1050 and LCDClock is currently less than that */
+        if (mach64LCDHorizontal == 1400 && mach64LCDVertical == 1050 
+	    && mach64LCDClock < 10785) {
+          mach64LCDClock = 10785;
+          ErrorF("1400x1050 LCD detected, forcing mach64LCDClock to %.2f MHz\n",
+		 (double)mach64LCDClock / 100.0);
+        }
 
 	/*
 	 * Determine porch data.  The intent here is to produce stretched modes
diff -rpu mach64.orig/mach64init.c mach64/mach64init.c
--- mach64.orig/mach64init.c	Fri Jan 28 03:30:25 2000
+++ mach64/mach64init.c	Fri Jan 28 03:17:36 2000
@@ -2499,8 +2499,10 @@ void mach64InitDisplay(screen_idx)
 		old_HORZ_STRETCHING = regr(HORZ_STRETCHING);
 		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);
+                /* Enable panel's APM -- not sure why the stock
+                   X server code explicitly disables this.
+                   Steve Hsieh <http://www.eecs.umich.edu/~steveh/inspiron/> */
+                regw(POWER_MANAGEMENT, old_POWER_MANAGEMENT | PWR_MGT_ON);
 	    } else {
 		/* All others */
 		old_LCD_INDEX = inl(ioLCD_INDEX);
@@ -2527,8 +2529,10 @@ void mach64InitDisplay(screen_idx)
 		old_EXT_VERT_STRETCH = inl(ioLCD_DATA);
 		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);
+               /* Enable panel's APM -- not sure why the stock
+                   X server code explicitly disables this.
+                   Steve Hsieh <http://www.eecs.umich.edu/~steveh/inspiron/> */
+                outl(ioLCD_DATA, old_POWER_MANAGEMENT | PWR_MGT_ON);
 		if ((mach64ChipType != MACH64_LB_ID) &&
 		    (mach64ChipType != MACH64_LD_ID) &&
 		    (mach64ChipType != MACH64_LI_ID) &&