![background image](http://html1.mh-extra.com/html/ics/sb686p-series/sb686p-series_product-manual_4477833020.webp)
Manual Number: 40110-005-2
Page 10
Jumper
Description
JU103
Parallel Port DACK
Pins
DACK #7
1-2
DACK #6
3-4
DACK #5
5-6
DACK #3
7-8
JU104
Parallel Port DREQ
Pins
DREQ #7
1-2
DREQ #6
3-4
DREQ #5
5-6
DREQ #3
7-8
JU120
SCSI Termination
Install to disable on-board active termination for the SCSI interface.
Remove to enable active termination. *
JU900
VGA Interrupt Enable (Optional)
Install to enable the VGA interrupt.
Remove to disable the interrupt. *
CPU Speed Jumpers
There are three jumpers (J140, J141 and W99) which must be set correctly to allow the processor
board to take full advantage of the speed of the Pentium CPU. These jumpers must be set as
specified below.
CPU
Synthesizer
Jumpers
Bus Clock
Speed
Frequency
J140
J141
W99
200MHz
66MHz
Out
In
In
Summary of Contents for SB686P Series
Page 2: ...Page ii...
Page 14: ...Manual Number 40110 005 2 Page 4...
Page 27: ...Manual Number 40110 005 2 Page 17 ISA Bus Pin Numbering...
Page 37: ...Manual Number 40110 005 2 Page 27 PCI Local Bus Pin Numbering...
Page 56: ...Manual Number 40110 005 2 Page 46 This page intentionally left blank...
Page 80: ...Manual Number 40110 005 2 Page 70 This page intentionally left blank...
Page 122: ......
Page 124: ......
Page 126: ......