Lenovo ThinkPad X301 Hardware Maintenance Manual page 147

Windows Vista Business (64 bit) DVDs
Windows Vista Business (64 bit) is preinstalled as the operating system in the
following models:
v 2774-CTO, 48x
v 2776-CTO
v 2777-CTO
v 2778-CTO
v 2779-CTO
v 4057-CTO, E1x
v 4182-CTO
Table 47. Parts list—Windows Vista Business (64 bit) DVDs
Language
English
English (modem-disabled)
German
Japanese
P/N RoHS CRU
ID ID
58Y1761 R N
58Y1760
58Y1758
58Y1759
139
ThinkPad X301