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Interfaces
(continued)
Option slots
Six IBM-compatible input/output expan-
sion slots: one occupied by parallel and serial
interface and floppy disk controller card; five
slots available for options in base configura-
tion: three with l6-bit bus and two with 8-bit
bus
Speaker
Clock/calendar/
RAM
Internal, programmable
Real-time clock, calendar, and 64-byte
CMOS RAM for configuration; battery
backup
Power Supply
Switching type, fan-cooled, 115/230 VAC,
140 W
(peak); + 5 VDC, +
12
VDC,
-5
VDC,
-12 VDC;
50/60
Hz
Mass Storage
Standard
Optional
Optional
Optional
Optional
Three drives maximum, configurable using
three half-height slots (horizontal mounts)
5%inch,
half-height floppy disk drive;
double-sided, high-density, 1.2MB storage
capacity
5%inch,
half-height floppy disk drive;
double-sided, high-density, 1.2MB storage
capacity
51/G-inch,
half-height floppy disk drive;
double-sided, double-density, 360KB storage
capacity
31%inch, half-height floppy disk drive; dou-
ble-sided, high-density, 1.44MB storage
capacity
31/z-inch,
half-height floppy disk drive;
double-sided, double-density, 720KB storage
capacity
B-2
User’s Guide