Super Voyager PCI-II 486 ISA Motherboard User's Guide
19
Step 1 Set Jumpers,
Continued
J31 and J32 Extended Parallel Port DMA Select
J31 and J32 are six-pin single-inline bergs that select the EPP (Enhanced Parallel Port) DMA channels, shown below.
DMA Channel
J31
J32
DRQ0
Short Pins 1-2
Short Pins 1-2
DRQ1
Short Pins 2-3
Short Pins 2-3.
DRQ3
Short Pins 5-6
Short Pins 5-6
None (the factory setting)
OPEN
OPEN
J50 Onboard PS/2 Mouse IRQ Select
J50 is a three-pin single-inline berg that selects the mouse IRQ. Short pins 1-2 to select IRQ12 for the onboard PS/2 mouse. Short pins 2-3 to
select IRQ12 for a bus adapter.
IRQ12 cannot be used by any ISA or PCI bus adapter card when the onboard mouse is enabled.
IRQ12
J50
Select Onboard PS/2 Mouse
Short Pins 1-2
IRQ12 to bus
Short Pins 2-3
Cont'd
Summary of Contents for Super Voyager PCI-II
Page 1: ...American Megatrends Inc Super Voyager PCI II 486 ISA Motherboard User s Guide MAN 724 4 21 95...
Page 12: ...Super Voyager PCI II 486 ISA Motherboard User s Guide 9 2 Installation...
Page 14: ...Super Voyager PCI II 486 ISA Motherboard User s Guide 11 Motherboard Layout...
Page 59: ...56...
Page 61: ...Chapter 4 Flash Programming 58...