American Megatrends Super Voyager PCI-II, User Manual

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Super Voyager PCI-II 486 ISA Motherboard User's Guide
21
Step 1 Set Jumpers,
Continued
J27 CPU External Speed Select
J27 is a six-pin single-inline berg that controls selection of external speed. To select 33 MHz, short pins 3-4. To select 25 MHz, short pins 1-
2 and 3-4.
External Speed
Select
J27
33 MHz Short Pins 3-4
25 MHz Short Pins 1-2 and 3-4
J55 Flash EPROM Select
J55 is a three-pin single-inline berg. To select Flash EPROM present (the factory setting), short pins 2-3. To select no Flash EPROM present,
short pins 1-2.
Flash EPROM Present J55
Flash EPROM Present (factory setting) Short Pins 2-3
Flash EPROM Absent Short Pins 1-2
J38 Onboard Secondary IDE Enable IRQ15
J38 is a two-pin berg. Place a shorting bridge on J38 to allow IRQ15 to be used for the secondary IDE connector. If you leave J38 OPEN,
IRQ15 is used by the bus.
J39 Onboard Primary IDE Enable IRQ14
J39 is a two-pin berg. Place a shorting bridge on J39 to allow IRQ14 to be used for the primary IDE connector. If you leave J39 OPEN,
IRQ14 is used by the bus.