IBM 770 manual Physical Specifications, System Overview

Physical Specifications

Size

Width:	313.0	mm	(12.3		in.)
Depth:	240.0	/	254.0	mm	(9.45 / 10.00 in.)
Height:	56.0 mm	(2.20		in.)

Weight ñ (approximate value)

3.4kg (7.4 lb)

3.5kg (7.7 lb)

Air Temperature

System

on

(without

diskette)

5.0°C

to

35.0°C

(41°F

to

95°F)

System

on

(with

diskette)

10.0°C

to

35.0°C

(50°F

to

95°F)

System

off

5.0°C

to

43.0°C

(41°F

to

110°F)

Humidity

System

(without

diskette)

8%

to

95%

System

(with

diskette)

8%

to

80%

Maximum

altitude

ò:

3,048

m

(10,000

ft) in unpressurized conditions

Heat

output:

56

W

Acoustical readings

(see

Figure 1-7

on

page 1-9)

Electrical

(see

Figure 1-6

on

page 1-9)

Electromagnetic

compatibility:

FCC

class

B

ñ With battery pack installed.

òThis is the maximum altitude at which the specified air temperatures apply. At higher altitudes, the maximum air temperatures are lower than those specified.

Figure 1-5. Physical Specifications

1-8 System Overview