Lenovo ThinkPad A31p ThinkPad A30/p, A31/p Hardware Maintenance Manual (Septem - Page 113

Security chip

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1190 Security chip Removing and replacing a FRU Note Some ThinkPad computers may have an embedded security chip, which the customer ordered as an option. If the ThinkPad computer you are servicing has the security chip of FRU number 26P8084 and 26P8234, remove or reinstall it as follows: Begin by checking the FRU number of the security chip, and be sure to use the correct security chip FRU for the computer. For the FRU numbers, see "Parts list" on page 148. For access, remove these FRUs, in order: v "1010 Battery pack" on page 64 v "1020 Mini PCI adapter" on page 65 v "1030 Communication daughter card (CDC)" on page 68 v "1040 Backup battery" on page 75 v "1050 DIMM" on page 76 v "1060 Hard-disk drive" on page 77 v "1070 Ultrabay Plus device" on page 79 v "1080 Ultrabay 2000 device" on page 80 v "1100 Keyboard" on page 82 v "1110 Keyboard CRU insulator" on page 87 v "1120 Keyboard bezel" on page 89 v "1130 Hinge cover" on page 93 v "1160 Ultrabay Plus slot" on page 98 v "1180 Sub card for PC Card slot" on page 107 When installing: Make sure that the connector is firmly attached. ThinkPad A30, A30p, A31, A31p 109

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1190 Security chip
Note
Some ThinkPad computers may have an embedded
security chip, which the customer ordered as an
option. If the ThinkPad computer you are servicing
has the security chip of FRU number 26P8084 and
26P8234, remove or reinstall it as follows:
Begin by checking the FRU number of the security
chip, and be sure to use the correct security chip
FRU for the computer. For the FRU numbers, see
“Parts list” on page 148.
For access, remove these FRUs, in order:
v
“1010 Battery pack” on page 64
v
“1020 Mini PCI adapter” on page 65
v
“1030 Communication daughter card (CDC)” on page 68
v
“1040 Backup battery” on page 75
v
“1050 DIMM” on page 76
v
“1060 Hard-disk drive” on page 77
v
“1070 Ultrabay Plus device” on page 79
v
“1080 Ultrabay 2000 device” on page 80
v
“1100 Keyboard” on page 82
v
“1110 Keyboard CRU insulator” on page 87
v
“1120 Keyboard bezel” on page 89
v
“1130 Hinge cover” on page 93
v
“1160 Ultrabay Plus slot” on page 98
v
“1180 Sub card for PC Card slot” on page 107
When installing:
Make sure that the connector is firmly
attached.
Removing and replacing a FRU
ThinkPad A30, A30p, A31, A31p
109