User's Manual

Interfaces (continued)
Option slots
Nine IBM-compatible input/output
expansion slots: one occupied by hard disk
controller card and another occupied by
parallel and serial interface and floppy disk
controller card; seven slots available for
options in base configuration: five with 16-bit
bus and two with 8-bit bus
Speaker
Clock/calendar/
RAM
Internal, with volume control
Real-time clock, calendar, and 50-byte
CMOS RAM for configuration; battery
backup
Power Supply
Switching type, fan-cooled, 115/230 VAC,
200 W; +5
VDC, + 12 VDC,
-5 VDC,
- 12 VDC;
50/60 Hz
Mass Storage
Standard
Optional
Optional
Optional
Optional
Four drives maximum, configurable using
five half-height slots (two vertical mounts
and three horizontal mounts)
51/4-inch, half-height floppy disk drive;
double-sided, high-density, 1.2MB storage
capacity
51/4-inch, half-height floppy disk drive;
double-sided, high-density, 1.2MB storage
capacity
51/4-inch, half-height floppy disk drive;
double-sided, double-density, 360KB storage
capacity
31/z-inch, half-height floppy disk drive;
double-sided, high-density, 720KB storage
capacity
31/z-inch or 5%inch, half-height internal
hard disk drive; 20MB storage capacity
(formatted)
B-2