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-rw-r--r--src/mame/audio/atarisac.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/audio/atarisac.cpp b/src/mame/audio/atarisac.cpp
index 3dd58e2602c..a0fef91cb29 100644
--- a/src/mame/audio/atarisac.cpp
+++ b/src/mame/audio/atarisac.cpp
@@ -254,7 +254,7 @@ void atari_sac_device::device_add_mconfig(machine_config &config)
// TODO: determine exact frequency (controlled by a PAL16R4)
GENERIC_LATCH_8(config, m_datin);
- m_datin->data_pending_callback().set_inputline(m_daccpu, M68K_IRQ_4);
+ m_datin->data_pending_callback().set_inputline(m_daccpu, M68K_IRQ_2);
m_datin->set_separate_acknowledge(true);
GENERIC_LATCH_8(config, m_datout);