via-chrome-tool (C) 2009 by VIA Technologies, Inc. This is FREE SOFTWARE with ABSOLUTELY NO WARRANTY Sequencer register dump (IO Port address: 0x3c4): 3c5.00 = 0x03 (Reset) 3c5.01 = 0x01 (Clocking Mode) 3c5.02 = 0x0f (Map Mask) 3c5.03 = 0x00 (Character Map Select) 3c5.04 = 0x0e (Memory Mode) 3c5.10 = 0x01 (Extended Register Unlock) 3c5.11 = 0x78 (Configuration 0) 3c5.12 = 0x10 (Configuration 1) 3c5.13 = 0x00 (Configuration 2 (DVP1 strapping)) 3c5.14 = 0x00 (Frame Buffer Size Control) 3c5.15 = 0xbe (Display Mode Control) 3c5.16 = 0x13 (Display FIFO Threshold Control) 3c5.17 = 0x2f (Display FIFO Control) 3c5.18 = 0x53 (Display Arbiter Control 0) 3c5.19 = 0x7f (Power Management) 0x01 CPU Interface Clock Control: 0x01 0x02 Display Interface Clock Control: 0x02 0x04 MC Interface Clock Control: 0x04 0x08 Typical Arbiter Interface Clock Control: 0x08 0x10 AGP Interface Clock Control: 0x10 0x20 P-Arbiter Interface Clock Control: 0x20 0x40 MIU/AGP Interface Clock Control: 0x40 3c5.1a = 0xb8 (PCI Bus Control) 0x01 LUT Shadow Access: 0x00 0x04 PCI Burst Write Wait State Select (0: 0 Wait state, 1: 1 Wait state): 0x00 0x08 Extended Mode Memory Access Enable (0: Disable, 1: Enable): 0x08 0x40 Software Reset (0: Default value, 1: Reset): 0x00 0x80 Read Cache Enable (0: Disable, 1: Enable): 0x80 3c5.1b = 0xb0 (Power Management Control 0) 0x01 Primary Display's LUT Off: 0x00 0x18 Primary Display Engine VCK Gating: 0x10 0x60 Secondary Display Engine LCK Gating: 0x20 3c5.1c = 0x40 (Horizontal Display Fetch Count Data) 3c5.1d = 0x01 (Horizontal Display Fetch Count Control) 3c5.1e = 0x01 (Power Management Control) 0x01 ROC ECK: 0x01 0x02 Replace ECK by MCK: 0x00 0x08 Spread Spectrum: 0x00 0x30 DVP1 Power Control: 0x00 0xc0 VCP Power Control: 0x00 3c5.20 = 0xff (Typical Arbiter Control 0) 3c5.21 = 0xff (Typical Arbiter Control 1) 3c5.22 = 0x08 (Display Arbiter Control 1) 3c5.26 = 0x0c (IIC Serial Port Control 0) 3c5.2a = 0x0f (Power Management Control 5) 0x03 LVDS Channel 1 Pad Control: 0x03 0x0c LVDS Channel 2 Pad Control: 0x0c 0x40 Spread Spectrum Type FIFO: 0x00 3c5.2b = 0x00 (LVDS Interrupt Control) 0x01 MSI Pending IRQ Re-trigger: 0x00 0x02 CRT Hot Plug Detect Enable: 0x00 0x04 CRT Sense IRQ status: 0x00 0x08 CRT Sense IRQ enable: 0x00 0x10 LVDS Sense IRQ status: 0x00 0x20 LVDS Sense IRQ enable: 0x00 3c5.2c = 0x08 (General Purpose I/O Port) 3c5.2d = 0x3b (Power Management Control 1) 0x03 ECK Pll Power Control: 0x03 0x0c LCK PLL Power Control: 0x08 0x30 VCK PLL Power Control: 0x30 0xc0 E3_ECK_N Selection: 0x00 3c5.2e = 0xfb (Power Management Control 2) 0x03 Video Playback Engine V3/V4 Gated Clock VCK: 0x03 0x0c PCI Master / DMA Gated Clock ECK/CPUCK: 0x08 0x30 Video Processor Gated Clock ECK: 0x30 0xc0 Capturer Gated Clock ECK: 0xc0 3c5.31 = 0x3d (IIC Serial Port Control 1) 3c5.35 = 0x34 (Subsystem Vendor ID Low) 3c5.36 = 0x17 (Subsystem Vendor ID High) 3c5.37 = 0xf7 (Subsystem ID Low) 3c5.38 = 0x10 (Subsystem ID High) 3c5.39 = 0x00 (BIOS Reserved Register 0) 3c5.3a = 0x00 (BIOS Reserved Register 1) 3c5.3b = 0x02 (PCI Revision ID Back Door) 3c5.3c = 0x00 (Miscellaneous) 0x01 AGP Bus Pack Door AGP3 Enable: 0x00 0x02 Switch 3 PLLs to Prime Output: 0x00 0x04 LCDCK PLL Locked Detect: 0x00 0x08 VCK PLL Locked Detect: 0x00 0x10 ECL PLL Locked Detect: 0x00 0x60 PLL Frequency Division Select for Testing: 0x00 3c5.3d = 0x00 (General Purpose I/O Port) 3c5.3e = 0x00 (Miscellaneous Register for AGP Mux) 3c5.3f = 0xff (Power Management Control 2) 0x03 Video Clock Control (Gated ECK): 0x03 0x0c 2D Clock Control (Gated ECK/CPUCK): 0x0c 0x30 3D Clock Control (Gated ECK): 0x30 0xc0 CR Clock Control (Gated ECK): 0xc0 3c5.40 = 0x00 (PLL Control) 0x01 Reset ECK PLL: 0x00 0x02 Reset VCK PLL: 0x00 0x04 Reset LCDCK PLL: 0x00 0x08 LVDS Interrupt Method: 0x00 0x30 Free Run ECK Frequency within Idle Mode: 0x00 0x80 CRT Sense Enable: 0x00 3c5.41 = 0xb0 (Typical Arbiter Control 1) 3c5.42 = 0x10 (Typical Arbiter Control 2) 3c5.43 = 0x02 (Graphics Bonding Option) 0x01 Notebook Used Flag: 0x00 0x04 Typical Channel 1 Arbiter Read Back Data Overwrite Flag: 0x00 0x08 Typical Channel 0 Arbiter Read Back Data Overwrite Flag: 0x00 0x10 IGA1 Display FIFO Underflow Flag: 0x00 0x20 IGA2 Display FIFO Underflow Flag: 0x00 0x40 Windows Media Video Enable Flag: 0x00 0x80 Advance Video Enable Flag: 0x00 3c5.44 = 0x4b (VCK Clock Synthesizer Value 0) 3c5.45 = 0x8c (VCK Clock Synthesizer Value 1) 3c5.46 = 0x00 (VCK Clock Synthesizer Value 2) 3c5.47 = 0x77 (ECK Clock Synthesizer Value 0) 3c5.48 = 0x88 (ECK Clock Synthesizer Value 1) 3c5.49 = 0x02 (ECK Clock Synthesizer Value 2) 3c5.4a = 0x52 (LDCK Clock Synthesizer Value 0) 3c5.4b = 0x90 (LDCK Clock Synthesizer Value 1) 3c5.4c = 0x01 (LDCK Clock Synthesizer Value 2) 3c5.4d = 0x00 (Preemptive Arbiter Control) 3c5.4e = 0x00 (Software Reset Control) 0x01 HQV/Video/Capture Engine Reset: 0x00 0x02 HQV/Video/Capture Register Reset: 0x00 0x04 2D Engine Reset: 0x00 0x08 2D Register Reset: 0x00 0x10 3D Engine Reset: 0x00 0x20 3D Register Reset: 0x00 0x40 CR Engine Reset: 0x00 0x80 CR Register Reset: 0x00 3c5.4f = 0x1f (CR Gating Clock Control) 3c5.50 = 0x3f (AGP Control) 3c5.51 = 0x00 (Display FIFO Control 1) 3c5.52 = 0x00 (Integrated TV Shadow Register Control) 3c5.53 = 0x00 (DAC Sense Control 1) 3c5.54 = 0x00 (DAC Sense Control 2) 3c5.55 = 0x00 (DAC Sense Control 3) 3c5.56 = 0x00 (DAC Sense Control 4) 3c5.57 = 0x00 (Display FIFO Control 2) 3c5.58 = 0x00 (GFX Power Control 1) 3c5.59 = 0x00 (GFX Power Control 2) 0x01 GFX-NM AGP Dynamic Clock Enable: 0x00 0x02 GFX-NM GMINT Channel 0 Dynamic Clock Enable: 0x00 0x04 GFX-NM GMINT Channel 1 Dynamic Clock Enable: 0x00 0x08 GFX-NM PCIC Dynamic Clock Enable: 0x00 0x10 GFX-NM IGA Dynamic Clock Enable: 0x00 0x20 IGA Low Threshold Enable: 0x00 0x80 IGA1 Enable: 0x00 3c5.5a = 0x00 (PCI Bus Control 2) 3c5.5b = 0x00 (Device Used Status 0) 0x01 LVDS1 Used IGA2 Source: 0x00 0x02 LBDS1 Used IGA1 Source: 0x00 0x04 LVDS0 Used IGA2 Source: 0x00 0x08 LVDS1 Used IGA1 Source: 0x00 0x10 DAC0 Used IGA2 Source: 0x00 0x20 DAC0 Used IGA1 Source: 0x00 0x40 DAC0 User is TV: 0x00 0x80 DCVI Source Selection is TV: 0x00 3c5.5c = 0x00 (Device Used Status 1) 0x01 DVP1 Used IGA2 Source: 0x00 0x02 DVP1 Used IGA1 Source: 0x00 0x10 DAC1 Used IGA2 Source: 0x00 0x20 DAC1 Used IGA1 Source: 0x00 0x40 DAC1 User is TV: 0x00 3c5.5d = 0x00 (Timer Control) 3c5.5e = 0x00 (DAC Control 2) 3c5.60 = 0x00 (I2C Mode Control) 3c5.61 = 0x00 (I2C Host Address) 3c5.62 = 0x00 (I2C Host Data) 3c5.63 = 0x00 (I2C Host Control) 3c5.64 = 0x00 (I2C Status) 3c5.65 = 0x00 (Power Management Control 6) 3c5.66 = 0x00 (GTI Control 0) 3c5.67 = 0x00 (GTI Control 1) 3c5.68 = 0x00 (GTI Control 2) 3c5.69 = 0x00 (GTI Control 3) 3c5.6a = 0x00 (GTI Control 4) 3c5.6b = 0x00 (GTI Control 5) 3c5.6c = 0x00 (GTI Control 6) 3c5.6d = 0x00 (GTI Control 7) 3c5.6e = 0x00 (GTI Control 8) 3c5.6f = 0x00 (GTI Control 9) 3c5.70 = 0x00 (GARB Control 0) 3c5.71 = 0x00 (Typical Arbiter Control 2) 3c5.72 = 0x00 (Typical Arbiter Control 3) 3c5.73 = 0x00 (Typical Arbiter Control 4) 3c5.74 = 0x00 (Typical Arbiter Control 5) 3c5.75 = 0x00 (Typical Arbiter Control 6) 3c5.76 = 0x00 (Backlight Control 1) 0x01 Backlight Control Enable: 0x00 3c5.77 = 0x00 (Backlight Control 2) 3c5.78 = 0x00 (Backlight Control 3) Graphic Controller register dump (IO Port address: 0x3ce): 3cf.00 = 0x00 (Set / Reset) 3cf.01 = 0x00 (Enable Set / Reset) 3cf.02 = 0x00 (Color Compare) 3cf.03 = 0x00 (Data Rotate) 3cf.04 = 0x00 (Read Map Select) 3cf.05 = 0x40 (Mode) 3cf.06 = 0x05 (Miscellaneous) 3cf.07 = 0x0f (Color Don't Care) 3cf.08 = 0xff (Bit Mask) 3cf.20 = 0x00 (Offset Register Control) 3cf.21 = 0x00 (Offset Register A) 3cf.22 = 0x00 (Offset Register B) CRT controller register dump (IO Port address: 0x3d4): 3d5.00 = 0xff (Horizontal Total) 3d5.01 = 0xff (Horizontal Display End) 3d5.02 = 0xff (Start Horizontal Blank) 3d5.03 = 0xff (End Horizontal Blank) 3d5.04 = 0xff (Start Horizontal Retrace) 3d5.05 = 0xff (End Horizontal Retrace) 3d5.06 = 0xff (Vertical Total) 3d5.07 = 0xff (Overflow) 3d5.08 = 0xff (Preset Row Scan) 3d5.09 = 0xff (Max Scan Line) 3d5.0a = 0xff (Cursor Start) 3d5.0b = 0xff (Cursor End) 3d5.0c = 0xff (Start Address High) 3d5.0d = 0xff (Start Address Low) 3d5.0e = 0xff (Cursor Location High) 3d5.0f = 0xff (Cursor Location Low) 3d5.10 = 0xff (Vertical Retrace Start) 3d5.11 = 0xff (Vertical Retrace End) 3d5.12 = 0xff (Vertical Display End) 3d5.13 = 0xff (Offset) 3d5.14 = 0xff (Underline Location) 3d5.15 = 0xff (Start Vertical Blank) 3d5.16 = 0xff (End Vertical Blank) 3d5.17 = 0xff (CRTC Mode Control) 3d5.18 = 0xff (Line Compare) 3d5.30 = 0xff (Display Fetch Blocking Control) 3d5.31 = 0xff (Half Line Position) 3d5.32 = 0xff (Mode Control) 0x01 Real-Time Flipping: 0x01 0x02 Digital Video Port (DVP) Grammar Correction: 0x02 0x04 Display End Blanking Enable: 0x04 0x08 CRT SYNC Driving Selection (0: Low, 1: High): 0x08 0xe0 HSYNC Delay Number by VCLK: 0xe0 3d5.33 = 0xff (Hsync Adjuster) 3d5.34 = 0xff (Starting Address Overflow, Bits [23:16]) 3d5.35 = 0xff (Extended Overflow) 3d5.36 = 0xff (Power Management Control 3) 3d5.37 = 0xff (DAC Control) 3d5.38 = 0xff (Signature Data B0) 3d5.39 = 0xff (Signature Data B1) 3d5.3a = 0xff (Signature Data B2) 3d5.3b = 0xff (Scratch Pad 2) 3d5.3c = 0xff (Scratch Pad 3) 3d5.3d = 0xff (Scratch Pad 4) 3d5.3e = 0xff (Scratch Pad 5) 3d5.3f = 0xff (Scratch Pad 6) 3d5.40 = 0xff (Test Mode Control 0) 3d5.43 = 0xff (IGA1 Display Control) 3d5.45 = 0xff (Power Now Indicator Control 3) 3d5.46 = 0xff (Test Mode Control 1) 3d5.47 = 0xff (Test Mode Control 2) 3d5.48 = 0xff (Starting Address Overflow) 3d5.50 = 0xff (Second CRTC Horizontal Total Period) 3d5.51 = 0xff (Second CRTC Horizontal Active Data Period) 3d5.52 = 0xff (Second CRTC Horizontal Blanking Start) 3d5.53 = 0xff (Second CRTC Horizontal Blanking End) 3d5.54 = 0xff (Second CRTC Horizontal Blanking Overflow) 3d5.55 = 0xff (Second CRTC Horizontal Period Overflow) 3d5.56 = 0xff (Second CRTC Horizontal Retrace Start) 3d5.57 = 0xff (Second CRTC Horizontal Retrace End) 3d5.58 = 0xff (Second CRTC Vertical Total Period) 3d5.59 = 0xff (Second CRTC Vertical Active Data Period) 3d5.5a = 0xff (Second CRTC Vertical Blanking Start) 3d5.5b = 0xff (Second CRTC Vertical Blanking End) 3d5.5c = 0xff (Second CRTC Vertical Blanking Overflow) 3d5.5d = 0xff (Second CRTC Vertical Period Overflow) 3d5.5e = 0xff (Second CRTC Vertical Retrace Start) 3d5.5f = 0xff (Second CRTC Vertical Retrace End) 3d5.60 = 0xff (Second CRTC Vertical Status 1) 3d5.61 = 0xff (Second CRTC Vertical Status 2) 3d5.62 = 0xff (Second Display Starting Address Low) 3d5.63 = 0xff (Second Display Starting Address Middle) 3d5.64 = 0xff (Second Display Starting Address High) 3d5.65 = 0xff (Second Display Horizontal Quadword Count) 3d5.66 = 0xff (Second Display Horizontal Offset) 3d5.67 = 0xff (Second Display Color Depth and Horizontal Overflow) 3d5.68 = 0xff (Second Display Queue Depth and Read Threshold) 3d5.69 = 0xff (Second Display Interrupt Enable and Status) 3d5.6a = 0xff (Second Display Channel and LCD Enable) 3d5.6b = 0xff (Channel 1 and 2 Clock Mode Selection) 3d5.6c = 0xff (TV Clock Control) 3d5.6d = 0xff (Horizontal Total Shadow) 3d5.6e = 0xff (End Horizontal Blanking Shadow) 3d5.6f = 0xff (Vertical Total Shadow) 3d5.70 = 0xff (Vertical Display Enable End Shadow) 3d5.71 = 0xff (Vertical Display Overflow Shadow) 3d5.72 = 0xff (Start Vertical Blank Shadow) 3d5.73 = 0xff (End Vertical Blank Shadow) 3d5.74 = 0xff (Vertical Blank Overflow Shadow) 3d5.75 = 0xff (Vertical Retrace Start Shadow) 3d5.76 = 0xff (Vertical Retrace End Shadow) 3d5.77 = 0xff (LCD Horizontal Scaling Factor) 3d5.78 = 0xff (LCD Vertical Scaling Factor) 3d5.79 = 0xff (LCD Scaling Control) 3d5.7a = 0xff (LCD Scaling Parameter 1) 3d5.7b = 0xff (LCD Scaling Parameter 2) 3d5.7c = 0xff (LCD Scaling Parameter 3) 3d5.7d = 0xff (LCD Scaling Parameter 4) 3d5.7e = 0xff (LCD Scaling Parameter 5) 3d5.7f = 0xff (LCD Scaling Parameter 6) 3d5.80 = 0xff (LCD Scaling Parameter 7) 3d5.81 = 0xff (LCD Scaling Parameter 8) 3d5.82 = 0xff (LCD Scaling Parameter 9) 3d5.83 = 0xff (LCD Scaling Parameter 10) 3d5.84 = 0xff (LCD Scaling Parameter 11) 3d5.85 = 0xff (LCD Scaling Parameter 12) 3d5.86 = 0xff (LCD Scaling Parameter 13) 3d5.87 = 0xff (LCD Scaling Parameter 14) 3d5.88 = 0xff (LCD Panel Type) 3d5.8a = 0xff (LCD Timing Control 1) 3d5.8b = 0xff (LCD Power Sequence Control 0) 3d5.8c = 0xff (LCD Power Sequence Control 1) 3d5.8d = 0xff (LCD Power Sequence Control 2) 3d5.8e = 0xff (LCD Power Sequence Control 3) 3d5.8f = 0xff (LCD Power Sequence Control 4) 3d5.90 = 0xff (LCD Power Sequence Control 5) 3d5.91 = 0xff (Software Control Power Sequence) 3d5.92 = 0xff (Read Threshold 2) 3d5.94 = 0xff (Expire Number and Display Queue Extend) 3d5.95 = 0xff (Extend Threshold Bit) 3d5.97 = 0xff (LVDS Channel 2 Function Select 0) 3d5.98 = 0xff (LVDS Channel 2 Function Select 1) 3d5.99 = 0xff (LVDS Channel 1 Function Select 0) 3d5.9a = 0xff (LVDS Channel 1 Function Select 1) 3d5.9b = 0xff (Digital Video Port 1 Function Select 0) 3d5.9c = 0xff (Digital Video Port 1 Function Select 1) 3d5.9d = 0xff (Power Now Control 2) 3d5.9e = 0xff (Power Now Control 3) 3d5.9f = 0xff (Power Now Control 4) 3d5.a0 = 0xff (Horizontal Scaling Initial Value) 3d5.a1 = 0xff (Vertical Scaling Initial Value) 3d5.a2 = 0xff (Horizontal and Vertical Scaling Enable) 3d5.a3 = 0xff (Second Display Starting Address Extended) 3d5.a5 = 0xff (Second LCD Vertical Scaling Factor) 3d5.a6 = 0xff (Second LCD Vertical Scaling Factor) 3d5.a7 = 0xff (Expected IGA1 Vertical Display End) 3d5.a8 = 0xff (Expected IGA1 Vertical Display End) 3d5.a9 = 0xff (Hardware Gamma Control) 3d5.aa = 0xff (FIFO Depth + Threshold Overflow) 3d5.ab = 0xff (IGA2 Interlace Half Line) 3d5.ac = 0xff (IGA2 Interlace Half Line) 3d5.af = 0xff (P-Arbiter Write Expired Number) 3d5.b0 = 0xff (IGA2 Pack Circuit Request Threshold) 3d5.b1 = 0xff (IGA2 Pack Circuit Request High Threshold) 3d5.b2 = 0xff (IGA2 Pack Circuit Request Expire Threshold) 3d5.b3 = 0xff (IGA2 Pack Circuit Control) 3d5.b4 = 0xff (IGA2 Pack Circuit Target Base Address 0) 3d5.b5 = 0xff (IGA2 Pack Circuit Target Base Address 0) 3d5.b6 = 0xff (IGA2 Pack Circuit Target Base Address 0) 3d5.b7 = 0xff (IGA2 Pack Circuit Target Base Address 0) 3d5.b8 = 0xff (IGA2 Pack Circuit Target Line Pitch) 3d5.b9 = 0xff (IGA2 Pack Circuit Target Line Pitch) 3d5.ba = 0xff (V Counter Set Pointer) 3d5.bb = 0xff (V Counter Set Pointer) 3d5.bc = 0xff (V Counter Reset Value) 3d5.bd = 0xff (V Counter Reset Value) 3d5.be = 0xff (Frame Buffer Limit Value) 3d5.bf = 0xff (Frame Buffer Limit Value) 3d5.c0 = 0xff (Expected IGA1 Vertical Display End 1) 3d5.c1 = 0xff (Expected IGA1 Vertical Display End 1) 3d5.c2 = 0xff (Third LCD Vertical Scaling Factor) 3d5.c3 = 0xff (Third LCD Vertical Scaling Factor) 3d5.c4 = 0xff (Expected IGA1 Vertical Display End 2) 3d5.c5 = 0xff (Expected IGA1 Vertical Display End 2) 3d5.c7 = 0xff (Fourth LCD Vertical Scaling Factor) 3d5.c8 = 0xff (IGA2 Pack Circuit Target Base Address 1) 3d5.c9 = 0xff (IGA2 Pack Circuit Target Base Address 1) 3d5.ca = 0xff (IGA2 Pack Circuit Target Base Address 1) 3d5.cb = 0xff (IGA2 Pack Circuit Target Base Address 1) 3d5.d0 = 0xff (LVDS PLL1 Control) 3d5.d1 = 0xff (LVDS PLL2 Control) 3d5.d2 = 0xff (LVDS Control) 3d5.d3 = 0xff (LVDS Second Power Sequence Control 0) 3d5.d4 = 0xff (LVDS Second Power Sequence Control 1) 3d5.d5 = 0xff (LVDS Texting Mode Control) 3d5.d6 = 0xff (DCVI Control Register 0) 3d5.d7 = 0xff (DCVI Control Register 1) 3d5.d9 = 0xff (Scaling Down Source Data Offset Control) 3d5.da = 0xff (Scaling Down Source Data Offset Control) 3d5.db = 0xff (Scaling Down Source Data Offset Control) 3d5.dc = 0xff (Scaling Down Vertical Scale Control) 3d5.dd = 0xff (Scaling Down Vertical Scale Control) 3d5.de = 0xff (Scaling Down Vertical Scale Control) 3d5.df = 0xff (Scaling Down Vertical Scale Control) 3d5.e0 = 0xff (Scaling Down Destination FB Starting Addr 0) 3d5.e1 = 0xff (Scaling Down Destination FB Starting Addr 0) 3d5.e2 = 0xff (Scaling Down Destination FB Starting Addr 0) 3d5.e3 = 0xff (Scaling Down Destination FB Starting Addr 0) 3d5.e4 = 0xff (Scaling Down SW Source FB Stride) 3d5.e5 = 0xff (Scaling Down Destination FB Starting Addr 1) 3d5.e6 = 0xff (Scaling Down Destination FB Starting Addr 1) 3d5.e7 = 0xff (Scaling Down Destination FB Starting Addr 1) 3d5.e8 = 0xff (Scaling Down Destination FB Starting Addr 1) 3d5.e9 = 0xff (Scaling Down Destination FB Starting Addr 2) 3d5.ea = 0xff (Scaling Down Destination FB Starting Addr 2) 3d5.eb = 0xff (Scaling Down Destination FB Starting Addr 2) 3d5.ec = 0xff (IGA1 Down Scaling Destination Control) 3d5.f0 = 0xff (Snapshot Mode - Starting Address of Disp Data) 3d5.f1 = 0xff (Snapshot Mode - Starting Address of Disp Data) 3d5.f2 = 0xff (Snapshot Mode - Starting Address of Disp Data) 3d5.f3 = 0xff (Snapshot Mode Control) 3d5.f4 = 0xff (Snapshot Mode Control) 3d5.f5 = 0xff (Snapshot Mode Control) 3d5.f6 = 0xff (Snapshot Mode Control)