Epson 486SX - Manual (Page 106)

Main System Board
As you follow the instructions in this chapter and in Chapter 7,
use the illustration below to locate the necessary components
on your main system board.
VGA monitor
parallel port port
\
option
slots I
* 25 MHz system only
keyboard port
(CN2)
power
supply
connectors
icroprocessor
diskette drive
connector (FDD)
JP5
JP6
JP9
JP10
JP11
JP12
JP13
JP14
JP15
connector
drive connector
(HDD)
Installing and Removing Options 6-3