
ÉlanSC310 Microcontroller Evaluation Board User’s Manual
A-3
1.
0
Table A-3. JP18
Table A-4. Switches
Mode
Pin Setting
Function
ISA or Local bus
Closed
Enables PS/2 port (Connects
IRQ12 from 8042 to IRQ12 on
ÉlanSC310 Device)
SW3:
ON
OFF
1
NC
NC
2
Connects VGARDY to
VLRDYI
Open
3
Connects VLRDYO to VLRDYI
Open
4
NC
NC
SW4:
ON
OFF
1
Memory = 5 V
Memory = 3.3 V
2
Connects PIRQ1 to ÉlanSC310
device
Disconnects PIRQ1 from
ÉlanSC310 device
3
Connects IRQ1 to ÉlanSC310
device
Disconnects IRQ1 from
ÉlanSC310 device
4
BL1 = GND
BL1 = 5V
5
BL2 = GND
BL2 = 5V
6
BL3 = GND
BL3 = 5V
7
BL4 = GND
BL4 = 5V
8
ACIN = GND
ACIN = 5V
evalbd.book : appa Page 3 Thursday, August 8, 1996 2:34 PM