Interfaces

Serial

RS-232C, programmable, asynchronous,

 

DB-9P male connector

Printer

Standard 8-bit parallel, DB-25S female

 

connector

Option slots

Six IBM PC/AT-compatible input/output

 

expansion slots (three 8-bit and three

 

16-bit): one 8-bit slot occupied by

 

parallel/serial interface and diskette

 

controller card; one 8-bit slot occupied by

 

multi-graphics adapter card; one 16-bit

 

slot occupied by the hard disk controller

 

card; three available

Speaker

Internal, programmable

Clock/calendar

Real-time clock, calendar, and 64-byte

RAM

CMOS RAM for configuration; battery

 

backup

Power SupplyMass Storage

Standard

Switching type, fan-cooled, 115/230 VAC, 50/60 Hz 140 W (peak); +5 VDC,

+12 VDC, -5 VDC, -12 VDC; externally switch-selectable

Three drives maximum, configurable using three half-height slots (horizontal mounts); two externally accessible

5¼-inch, half-height diskette drive; double-sided, high-density, 1.2MB storage capacity