VGA_SR_PORT
outw(VGA_SR_PORT, 0x0612); /* unlock ext regs */
outw(VGA_SR_PORT, 0x0700); /* reset ext sequence mode */
outw(VGA_SR_PORT, 0x0648);
outw(VGA_SR_PORT, 0x1400);
outw(VGA_SR_PORT, 0x0120); /* disable video */
outw(VGA_SR_PORT, 0x0100); /* re-enable video */
outb(VGA_SR_PORT, SR_regs[i].idx);
outb(VGA_SR_PORT + 1, SR_regs[i].val);
outw(VGA_SR_PORT, 0x0806);
outw(VGA_SR_PORT, 0x1041);
outw(VGA_SR_PORT, 0x1128);
outw(VGA_SR_PORT, 0x5410); /* enable auto-centering */
outw(VGA_SR_PORT, 0x561f);
outw(VGA_SR_PORT, 0x1b80); /* lock DCLK selection */