Interrupt Configuration
VL-486-4 Reference Manual
Configuration – 33
I
NTERRUPT
C
ONFIGURATION
J
UMPERS
Table 12: Interrupt Configuration Jumpers
Jumper
Block
Description
As
Shipped
V7[1-2]
IPC Configuration (IPC / INTRQ* interconnect)
In
— Connects IPC signal to STD Bus INTRQ* (P44)
Out
— Disconnects IPC from INTRQ*
Out
V7[2-3]
IPC Configuration (IPC / INTRQ4* interconnect)
In
— Connects IPC signal to STD Bus INTRQ4* (P05)
Out
— Disconnects IPC from INTRQ4*
Out
V8[5-6]
Non-Maskable Interrupt / BUS Interconnect
In
— Connects STD Bus NMIRQ* (P46) to CPU NMI input
Out
— CPU ignores activity on STD Bus NMIRQ* (P46)
Out
V9[1-2]
Interrupt Configuration (IRQ1 / INTRQ* interconnect)
In
— Connects STD Bus INTRQ* (P44) to IRQ1
Out
— Disconnects INTRQ* from IRQ1
Out
V9[2-3]
Interrupt Configuration (IRQ1 / INTRQ1* [Keyboard] interconnect)
In
— Connects STD Bus INTRQ1* (P37) [Keyboard Interrupts] to IRQ1
Out
— Disconnects INTRQ1* from IRQ1
In
V10[1-2]
Interrupt Configuration (IRQ3 / COM2 interconnect)
In
— Connects COM2 to IRQ3
Out
— Disconnects COM2 from IRQ3
In
V10[2-3]
Interrupt Configuration (IRQ3 / Front Plane Interrupt 1 interconnect)
In
— Connects Front Plane Interrupt 1 (J5 pin 9) to IRQ3
Out
— Disconnects FPI1 from IRQ3
Out
V11[1-2]
Interrupt Configuration (IRQ11 / INTRQ2* interconnect)
In
— Connects STD Bus INTRQ2* (P50) to IRQ11
Out
— Disconnects STD Bus INTRQ2* from IRQ11
In
V11[2-3]
Interrupt Configuration (IRQ11 / Front Plane Interrupt 2 interconnect)
In
— Connects Front Plane Interrupt 2 (J5 pin 11) to IRQ11
Out
— Disconnects FPI2 from IRQ11
Out
V12[1-2]
Interrupt Configuration (IRQ12 / INTRQ3* Interconnect)
In
— Connects STD Bus INTRQ3* (E67) to IRQ12
Out
— Disconnects INTRQ3* from IRQ12
In
V12[2-3]
Interrupt Configuration (IRQ12 / Front Plane Interrupt 3 interconnect)
In
— Connects Front Plane Interrupt 3 (J5 pin 13) to IRQ12
Out
— Disconnects FPI3 from IRQ12
Out
V13[1-2]
Interrupt Configuration (IRQ15 / CTC2 interconnect)
In
— Connects Counter / Timer 2 to IRQ15
Out
— Disconnects CTC2 from IRQ15
Out
V13[2-3]
Interrupt Configuration (IRQ15 / Digital I/O Interrupt interconnect)
In
— Connects Digital I/O Interrupt to IRQ15
Out
— Disconnects DIO Interrupt from IRQ15
In
