IBM 770 manual PCMCIA Subsystem, Subsystems, same, Manufactured by Texas Instruments corporation

PCMCIA Subsystem

The	system board has two PCMCIA (Personal Computer Memory
Card	International Association) slots that support the following types
of	PC Card:

Ÿ 16 bit PC Card Type–I, II, III 5V, 3.3V

Ÿ32 bit PC Card Type–I, II, III 5V, 3.3V

However, x.xV, y.yV, DMA, and ZV are not supported.

The maximum current allowable for both slots at the same time is:

Ÿ	1.0	A	at	5 V	dc
Ÿ	0.8	A	at	3.3	V dc

Ÿ0.1 A at 12 V dc

2

isUnitused as the PC card

The PCI1250 PCI-to-Cardbus Controller

controller

in

the

system

unit. The

available

interrupt

levels

are

IRQ

3,

4,

5,

7,

9, 10,

11,

14,

and

15.

The system unit resumes operation from suspend mode when it

receives the ‘RI_OUT’

signal. The

Type

I

and Type II PC cards can

be

installed

into

either

the

upper

or

the

lower slot, or into both slots

at

the

same

time. The Type III

PC

card,

however,

must

be

installed

only in the lower slot. The Type

II

PC

card

cannot

be

used

in

the

upper

slot

when

a

Type

III

PC

card

is used.

The PCMCIA slots are designed

according

to

the

PC Card

standard

made

in

February

1995.

2 Manufactured by Texas Instruments corporation.

Subsystems 3-11