Epson 33+, 4S Jumper Settings, SIMM Installation, SIMM, 12/93, Epson EL 4S/33+, installing 256KB, Your computer comes with 2MB or 4MB of memory on

Epson EL 4S/33+

System board components and connectors

Jumper Settings

Use J10 with the built-in VGA adapter only. When J10 is ON, 1024 x 768

mode is interlaced and 800 x 600 mode refreshes at 56Hz. When J1O is

OFF, 1024 x 768 is non-interlaced and refresh at 60Hz; 800 x 600 refreshes at 72Hz. (VG 460 x 480 refreshes at 60 Hz regardless of the J10 setting)

“‘You can use MS-DOS to automatically reassign parallel and serial ports. Check your MS-DOS manual for more information.

SIMM Installation

Your computer comes with 2MB or 4MB of memory on

SIMMs. You can increase the memory up to 16MB by installing 256KB, 1MB, or 4MB SIMMs in the computer’s four SIMM sockets. The following table shows the possible SIMM configurations; do not install memory in any other configuration.

SIMM configuration

Use only 30-pin, fast-page mode SIMMs (preferably tin-plated) that operate at an access speed of 70ns (nanoseconds) or faster. Be sure all the SIMMs operate at the same speed.

Epson EL 4S/33+ - 4 12/93