diff --git a/sw/isa_dma.pio b/sw/isa_dma.pio
index 1ce830f..9611d66 100644
--- a/sw/isa_dma.pio
+++ b/sw/isa_dma.pio
@@ -49,6 +49,7 @@ static inline void dma_write_program_init(PIO pio, uint sm, uint offset) {
     // Config DMA pins
     sm_config_set_set_pins(&c, DRQ_PIN, 1);
     pio_gpio_init(pio, DRQ_PIN);
+    gpio_set_drive_strength(DRQ_PIN, GPIO_DRIVE_STRENGTH_12MA);
     pio_sm_set_consecutive_pindirs(pio, sm, DRQ_PIN, 1, true);
     sm_config_set_jmp_pin(&c, TC_PIN);
     pio_sm_set_consecutive_pindirs(pio, sm, TC_PIN, 1, false);
diff --git a/sw/picogus.cpp b/sw/picogus.cpp
index e70e63f..bcdd04f 100644
--- a/sw/picogus.cpp
+++ b/sw/picogus.cpp
@@ -657,6 +657,7 @@ int main()
 
     gpio_init(IRQ_PIN);
     gpio_set_dir(IRQ_PIN, GPIO_OUT);
+    gpio_set_drive_strength(IRQ_PIN, GPIO_DRIVE_STRENGTH_12MA);
 
 #ifdef SOUND_MPU
     puts("Initing MIDI UART...");
diff --git a/sw/rp2040-psram b/sw/rp2040-psram
index a59d6b1..dbdf690 160000
--- a/sw/rp2040-psram
+++ b/sw/rp2040-psram
@@ -1 +1 @@
-Subproject commit a59d6b17cae7bc98eb3ee2cca0268ae7c171abef
+Subproject commit dbdf6903e3a48fbe711caffee2a70d5e3fa37795