IBM 380Z manual Memory Checkout, Devices, Value

Warning	: Do	not	replace	a nondefective FRU.
	Reseat	the	keyboard	cables.
	Replace	the	DC/DC card.
	Replace	the	system board.

Auxiliary	Input	Devices:		The following auxiliary
input devices			are supported:
Numeric keypad
Mouse	(PS/2		compatible)
External		keyboard		(with keyboard/mouse cable)

If any of these devices do not work, reseat the cable connector and repeat the failing operation.

If the problem remains, replace the device, and then the system board.

Memory Checkout

DIMMs are available for increasing memory capacity.

DIMM				Displayed			Value
No	DIMM installed			32192			KB
16	MB			48576		KB
32	MB			64960		KB
64	MB			97728		KB
Memory errors		may	cause		error messages			to appear on
the	screen or	may	hang		the		operating	system.

Take the following procedure to isolate memory problems:

1.Turn off the computer and remove any installed DIMM from the slot.

2.Press and holdF1 theky; then turn on the

computer. Hold

theF1 key down until the

Easy-Setup menu appears.

3.

SelectTest

and

pressEnter .

4.

SelectMemory

and

pressEnter

to

run

the

memory

test for the base memory. If an error appears,

replace

the

system board.

5.

Turn off

the

computer

and

reinstall

the

DIMM;

then

turn on the computer. Verify

the

memory

size;

then

test the memory. If an error message appears,

replace

the

DIMM.

If a memory problem occur

intermittently,

perform

the loop

option

test. If

the

test

detects

an

error, it

prints an error

log on a printer connected to the parallel port. See

“Displaying

the

Error

Log”

on

page 35

for

more

information.

Flash

Memory

Update:

System setup programs and

diagnostic

tests

are stored in the flash memory. A flash

memory

update

is

required

when:

A

new

version

of

the system

program

is

installed.

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