Epson EL 3S/33 - Manual (Page 98)

Option slots Three 16-bit full-length and two B-bit
half-length I/O expansion slots, ISA
compatible, 8 MHz bus speed
Speaker Internal
Mass storage Two 3 1/2-inch wide drives (one internal
mount) and one 5 1/4-inch wide, half-height
drive
Diskette drives 3.5-inch diskette drive, 1.44MB
(high-density) storage capacity
5.25-inch diskette drive, 1.2MB
(high-density) storage capacity
3.5-inch diskette drive, 720KB
(double-density) storage capacity
5.25-inch diskette drive, 360KB
(double-density) storage capacity
Hard disk
drives
3 1/2-inch form factor hard disk drive(s), up
to half-height size; the first mounted
internally, and second mounted in the
horizontal drive bay
Other devices Half-height tape drive, CD-ROM, or other
storage device; 5 1/4-inch or 3 1/2-inch with
mounting frames
Specifications A-3