Epson EL 4S/33+

Video Memory

Hard disk drive types

The computer comes with 256KB of video memory. You can increase the video memory to 512KB or 1024KB by installing 20-pin, 70ns or 80ns, 44256 DIP (Dual Inline Package) chips.

For the memory to work properly, you must install one chip in each socket.

Video memory chip configuration

* Standard video memory

Resolutions and colors

Math Coprocessor Upgrade

You can enhance your system’s performance for some applications by installing a Cx83S87-33 math coprocessor.

Hard Disk Drive Types

The computer comes with a hard disk auto-sensing feature. When you select AUTO DETECT 1 or 2 for your hard disk type in SETUP, the system detects the type of hard disk drive you have installed when you boot and fills in the drive information using values in the following table.

Some older or preformated drives do not support the auto-sensing feature. If the parame ters displayed do not match the parameter of your hard disk drive, you can define your own drive type in SETUP.

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