Installations
15
Cyrix 6X86MX
PR200+(166MHz)
CyrixMX
PR233+(200MHz)
CyrixMX
PR266+(233MHz)
2.2 Memory
installation
The PI-6582V industrial CPU card supports two 72-pin SIMM sockets for a maximum total
memory of 128MB. The DRAMs for SIMM sockets can be 4MB,8MB,16MB, and 64MB in
EDO and FPM types
The following should be noted when populating the SIMM sockets
Memory configuration
SIMM1, SIMM2
Total memory
4MB
×
2
8MB
8MB
×
2
16MB
16MB
×
2
32MB
32MB
×
2
64MB
64MB
×
2
128MB
Jumpers on the PI-6582V
16
3. Jumpers on the PI-6582V
3.1 Battery backup for CMOS RAM and SRAM disk (JP8)
Block diagram of battery backup circuit
JP8 Function
Using internal battery
Clear CMOS RAM
Using external battery
3.2 Jumper for Ring/Vcc selection for pin-9 of COM ports
(JP7)
The signal of pin-9 of COM ports are jumper selectable to “RING” or Vcc
Pin 9 of COM port
JP7
Signal
Ring
COM 1,3
+5Vdc
Ring
COM 2,4
+5Vdc