IBM Thinkpad A20mp A21mp A22mp Manual

							For A22m/p series
Note:The illustration shows the combo card. Connector
(A)is for the LAN feature and(B)is for the modem
feature. This slot also supports a Mini PCI modem
card or Mini PCI network card. Step
4depends
on the card type. Disconnect either(A),(B)or both.
When installing:With the notched end of the card toward
the socket, insert the card into the
socket, then press it firmly. Pivot the
card until it snaps into place. Make sure
that the card is firmly fixed in the slot
and does not move easily.
Removing and replacing a FRU
ThinkPad A20m/p, A21m/p and A22m/p65 
						

							1040 Backup battery
DANGER
Use only the battery in the parts listing for your
computer. Use of an incorrect battery can result in
ignition or explosion of the battery.
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 60
v“1020 DIMM”on page 61
v“1030 Mini PCI adapter”on page 63
Removing and replacing a FRU
66ThinkPad A20m/p, A21m/p, A22m/p 
						

							1050 Hard-disk drive or RF ID adapter
AttentionDo not drop or apply any shock to the hard-disk
drive.The hard-disk drive is sensitive to physical
shock. Incorrect handling can cause damage and
permanent loss of data.
Before removing the drive, have the user make a
backup copy of all the information on the drive if
possible.
Never remove the drive while the system is
operating or is in suspend mode.
For access, remove this FRU:
v“1010 Battery pack”on page 60
Note:The hard disk is attached to the cover.
Step Screw (quantity)

1Coin screw (1) or security screw (1)
Note:Use a 2.5-mm Allen wrench to remove the security screw.Removing and replacing a FRU
ThinkPad A20m/p, A21m/p and A22m/p67 
						

							When installing:Make sure that the HDD connector is
firmly connected.
Removing and replacing a FRU
68ThinkPad A20m/p, A21m/p, A22m/p 
						

							1060 Ultrabay 2000 device
Any of several devices can be inserted into the Ultrabay
2000. The procedure for installing and removing is the
same for every device.
Note:When you release the switch in step
1the lever
pops out. Pull the lever a little in step
2to release
the device from the bay.
(continued)
Removing and replacing a FRU
ThinkPad A20m/p, A21m/p and A22m/p69 
						

							Removing and replacing a FRU
70ThinkPad A20m/p, A21m/p, A22m/p 
						

							1070 Keyboard
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 60
v“1050 Hard-disk drive or RF ID adapter”on page 67
v“1060 Ultrabay 2000 device”on page 69
1
Step Screw (quantity) Torque

1M2.5×15 mm, nylon-coated (3) 0.392 Nm
(4 kgfcm)
(continued)
Removing and replacing a FRU
ThinkPad A20m/p, A21m/p and A22m/p71 
						

							(continued)
Removing and replacing a FRU
72ThinkPad A20m/p, A21m/p, A22m/p 
						

							When installing:When installing the keyboard, do as
follows:
1. Install the new keyboard, following the directions in the
figure. Make sure that the keyboard edges, shown in
the figure as(A),(B), and(C), are under the frame.
2. Push theYkey
1to connect the keyboard to the
connector on the underside of the key; then push the
frame of the keyboard
2to latch the latches.
3. After the fastening of three screws of bottom side, push
theYkey again to connect the keyboard firmly to the
connector on the underside of the key.
Removing and replacing a FRU
ThinkPad A20m/p, A21m/p and A22m/p73 
						

							1080 Keyboard CRU insulator
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 60
v“1050 Hard-disk drive or RF ID adapter”on page 67
v“1060 Ultrabay 2000 device”on page 69
v“1070 Keyboard”on page 71
Removing and replacing a FRU
74ThinkPad A20m/p, A21m/p, A22m/p