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-rw-r--r--src/mame/drivers/cdi.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mame/drivers/cdi.cpp b/src/mame/drivers/cdi.cpp
index c2894c64c24..f6552364a25 100644
--- a/src/mame/drivers/cdi.cpp
+++ b/src/mame/drivers/cdi.cpp
@@ -850,9 +850,10 @@ void cdi_state::cdimono1_base(machine_config &config)
config.set_default_layout(layout_cdi);
- // IMS66490 CDIC input clocks are 22.5792 MHz and 19.3536 MHz (latter is generated by PLL circuit incorporating 19.3575 MHz XTAL)
+ // IMS66490 CDIC input clocks are 22.5792 MHz and 19.3536 MHz
// DSP input clock is 7.5264 MHz
CDI_CDIC(config, m_cdic, 45.1584_MHz_XTAL / 2);
+ m_cdic->set_clock2(45.1584_MHz_XTAL * 3 / 7); // generated by PLL circuit incorporating 19.3575 MHz XTAL
m_cdic->intreq_callback().set(m_maincpu, FUNC(scc68070_device::in4_w));
CDI_SLAVE(config, m_slave_hle, 0);