IBM PC 300PL manual Component outputs, Components draw less current than Maximum Shown

Chapter 4. Power supply

Figure			9. Power output (200 watts)
Output		voltage		Regulation			Minimum	current	Maximum	current
+5	volts			+5%	to	-4%	1.5	A	20.0	A
+12		volts		±5%			0.2	A	8.0 A
−12		volts		+10%	to	-9%	0.0	A	0.4 A
−5	volts			±10%			0.0	A	0.3 A
+	3.3		volts	±2%			0.0	A	20.0	A
+5	volts		(auxiliary)	±5%			0.005	A	0.72 A

Component outputs

The

power supply

provides

separate voltage sources

for

the system board and interna

The

following

figures show the approximate power that is provided for specific syst

components draw less current than

the

maximum

shown.

Figure

10.

System board

Supply

voltage

Maximum

current

Regulation

limits

+3.3

V

dc

3000

mA

+5.0%

to −5.0%

+5.0

V

dc

4000

mA

+5.0%

to −4.0%

+12.0

V

dc

25.0

mA

+5.0%

to −5.0%

−12.0

V

dc

25.0

mA

+10.0%

to−9.0%

Figure

11.

Keyboard port

Supply

voltage

Maximum

current

Regulation

limits

+5.0

V

dc

275

mA

+5.0%

to −4.0%

Figure

12.

PCI-bus adapters (per slot)

Supply

voltage

Maximum

current

Regulation

limits

+5.0

V

dc

2000

mA

+5.0%

to −4.0%

+3.3

V

dc

3030

mA

+5.0%

to −4.0%

Note:

For

each

PCI connector,

the

maximum

power

consumption

is

rated

at 10 watts for +

+3.3 V

dc

combined. Typical

power

budget assumptions

use

7.5

watts

per

adapter

power

is

used, then

the

overall

system

configuration

will

be

limited

in

performan

Figure

13.

USB port

Supply

voltage

Maximum

current

Regulation

limits

+5.0

V

dc

500

mA

+5.0%

to −4.0%

Figure

14.

Internal DASD

Supply

voltage

Maximum

current

Regulation

limits

+5.0

V

dc

1400

mA

+5.0%

to −5.0%

+12.0

V

dc

1500 mA at startup, 400

mA

when

+5.0%

to −5.0%

active

Chapter 4. Power supply19