diff --git a/gfxmatrox.c b/gfxmatrox.c
new file mode 100644
index 0000000..647a908
--- /dev/null
+++ b/gfxmatrox.c
@@ -0,0 +1,97 @@
+/*
+ * This file is part of the flashprog project.
+ *
+ * Copyright (C) 2026 Nico Huber <nico.h@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "programmer.h"
+#include "platform/pci.h"
+#include "hwaccess_physmap.h"
+#include "programmer/physmap.h"
+
+#define PCI_VENDOR_ID_MATROX	0x102b
+
+static const struct dev_entry gfx_matrox[] = {
+	{PCI_VENDOR_ID_MATROX, 0x051b, OK, "Matrox Electronics Systems Ltd.", "MGA 2164W [Millennium II]" },
+
+	{0},
+};
+
+static const struct par_master par_master_gfxmatrox = {
+	.chip_readb	= mmio_chip_readb,
+	.chip_readw	= mmio_chip_readw,
+	.chip_readl	= mmio_chip_readl,
+	.chip_readn	= mmio_chip_readn,
+	.chip_writeb	= mmio_chip_writeb,
+	.chip_writew	= mmio_chip_writew,
+	.chip_writel	= mmio_chip_writel,
+	.chip_writen	= fallback_chip_writen,
+	.map_flash	= physmap,
+	.unmap_flash	= physunmap,
+};
+
+static int gfxmatrox_init(struct flashprog_programmer *const prog)
+{
+	bool borrow_mmio_bar = false;
+	char *const bar_param = extract_programmer_param("bar");
+	if (bar_param) {
+		if (strcmp(bar_param, "no_gfx_driver_running") != 0) {
+			msg_perr("Error: Unknown argument for `bar' parameter: \"%s\".\n", bar_param);
+			free(bar_param);
+			return 1;
+		}
+		borrow_mmio_bar = true;
+	}
+	free(bar_param);
+
+	struct pci_dev *const matrox = pcidev_init(gfx_matrox, PCI_BASE_ADDRESS_1);
+	if (!matrox)
+		return 1;
+
+	const uint16_t command = pci_read_word(matrox, PCI_COMMAND);
+	if (!(command & PCI_COMMAND_MEMORY)) {
+		msg_perr("Error: PCI memory access is disabled.\n");
+		return 1;
+	}
+
+	/* Enable flash + writes. */
+	const uint32_t option = pci_read_long(matrox, 0x40);
+	rpci_write_long(matrox, 0x40, option | (1 << 30) | (1 << 20));
+
+	uint32_t rom_base = pci_read_long(matrox, PCI_ROM_ADDRESS);
+	if (!rom_base) {
+		if (!borrow_mmio_bar) {
+			msg_perr("Error: PCI ROM base is not configured.\n");
+			msg_perr("We can try to work around this if no graphics driver is running. When no driver\n");
+			msg_perr("is running, confirm this by supplying `-p gfxmatrox:bar=no_gfx_driver_running'.\n");
+			return 1;
+		}
+		/* If the ROM BAR isn't enabled, borrow the MMIO BAR. */
+		rom_base = pcidev_readbar(matrox, PCI_BASE_ADDRESS_1);
+	}
+	rpci_write_long(matrox, PCI_ROM_ADDRESS, rom_base | 1);
+
+	return register_par_master(&par_master_gfxmatrox, BUS_PARALLEL, rom_base & ~1u, 64*KiB, NULL);
+}
+
+const struct programmer_entry programmer_gfxmatrox = {
+	.name			= "gfxmatrox",
+	.type			= PCI,
+	.devs.dev		= gfx_matrox,
+	.init			= gfxmatrox_init,
+};