Grass Valley PDR100 - Manual (Page 49)

VGA-I/O Circuit Board
PDR100 Installation 3-25
Jumper Settings
Table 3-4 lists each jumper and its function. The shaded listings are the factory
settings for the jumpers. A position of “On” or “Off” indicates whether or not the
jumper is installed. A position of “1-2” or “2-3” indicates the pins on which the
jumper is installed.
DIP Switch Settings
The VGA-I/O board has two 6-position DIP switches to define various functions. The
switch settings are shown in Figure 3-24. The tables that follow list the settings by
function.
Table 3-4. VGA-I/O Board Jumper Settings
Jumper Position Function
E1 On Support 2.88M Floppy
Off No 2.88M Floppy
E2 1-2 Selects IRQ4 for Serial Port COM1
2-3 Selects IRQ3 for Serial Port COM1
E3 1-2 Selects IRQ3 for Serial Port COM2
2-3 Selects IRQ4 for Serial Port COM2
E4 1-2 Selects IRQ7 for the Parallel Port
2-3 Selects IRQ5 for the Parallel Port
E5 Off
E6 1-2 VGA Enable
2-3 VGA Disable
E7 On Zero Wait State Operation
Off No Zero Wait State Operation
E8 On IRQ9 Enabled
Off IRQ9 Disabled
E9 On Video Dot Clock Enabled
Off Video Dot Clock Disabled
E10 Off (not used)
E11 Off (not used)
Table 3-5. Serial Port COM1 Switch Settings
SW1-5 SW1-6 Functions
On On Disable
On Off 2F8h
Off On 3E8h
Off Off 3F8h