This is a list of the latest Legacy BIOS Update for Late Windows Vista systems which have a SMBIOS version of 2.5.
Once the latest BIOS Update is applied the System License Internal Code in most cases should be updated to version 2.1 from version 2.0. This allows for the activation of Windows 7 OEM using System Locked Preinstallation. Please confirm this with a check using RWEverything. See here for more details.
Adamo Desktops
- Adamo (Early 2009) Legacy BIOS A08
Dimension Desktops
- Dimension 1000 (Mid 2009) Legacy BIOS A03
- Dimension 2010 (Mid 2009) Legacy BIOS A04
Inspiron Desktops
- Inspiron Zino 300 (Mid 2009) Legacy BIOS A01
- Inspiron Zino 400 (Late 2009) Legacy BIOS A01
- Inspiron 530 (Eary 2007) Legacy BIOS 1.0.18 (SLIC Version 2.0)
- Inspiron 530b (Early 2007) Legacy BIOS 1.0.2 (SLIC Version 2.0)
- Inspiron 531 (Mid 2007) Legacy BIOS 1.0.13 (SLIC Version 2.0)
- Inspiron 535 (Early 2009) Legacy BIOS A03
- Inspiron 537 (Mid 2009) Legacy BIOS A03
- Inspiron 537s (Mid 2009) Legacy BIOS A03
- Inspiron 545 (Early 2009) Legacy BIOS A12
- Inspiron 545s (Early 2009) Legacy BIOS A12
- Inspiron 546 (Early 2009) Legacy BIOS A11
- Inspiron 546s (Early 2009) Legacy BIOS A11
- Inspiron One 19 (Late 2009) Legacy BIOS A06
Inspiron Laptops
- Inspiron 1318 (Late 2008) Legacy BIOS A06
- Inspiron 1320 (Mid 2009) Legacy BIOS A05 x86, Legacy BIOS A05 x64
- Inspiron 1410 (Late 2008) Legacy BIOS A03
- Inspiron 1425 (Late 2008) Legacy BIOS A06
- Inspiron 1440 (Mid 2009) Legacy BIOS A07
- Inspiron 14z 1470 (Late 2009) Legacy BIOS A05
- Inspiron 1545 (Late 2008) Legacy BIOS A14
- Inspiron 15z 1570 (Mid 2009) Legacy BIOS A05
- Inspiron 1750 (Mid 2009) Legacy BIOS A06
- Inspiron Mini 1010 (Late 2009) Legacy BIOS A11
- Inspiron Mini 10v 1011 (Mid 2009) Legacy BIOS A06
- Inspiron Mini 10v 1018 (Late 2010) Legacy BIOS A02
- Inspiron Mini 11z 1100 (Late 2009) Legacy BIOS A04 x86, Legacy BIOS A06 x64
- Inspiron Mini 11z 1200 (Late 2010) Legacy BIOS A06
- Inspiron Mini 11z 1121 (Late 2010) Legacy BIOS A01
Latitude Laptops
- Latitude 2100 (Mid 2009) Legacy BIOS A06
- Latitude D631 (Early 2009) Legacy BIOS A12
- Latitude E4200 (Mid 2008) Legacy BIOS A24
- Latitude E4300 (Mid 2008) Legacy BIOS A26
- Latitude E5400 (Mid 2008) Legacy BIOS A19
- Latitude E5500 (Mid 2008) Legacy BIOS A19
- Latitude E6400/E6400 ATG/E6400 XFR (Mid 2008) Legacy BIOS A34
- Latitude E6500 (Mid 2008) Legacy BIOS A29
- Latitude XT2 (Early 2009) Legacy BIOS A13
- Latitude XT2 XFR (Mid 2009) Legacy BIOS A15
- Latitude Z600 (Mid 2009) Legacy BIOS A11
OptiPlex Desktops
- OptiPlex 360 (Late 2008) Legacy BIOS A07
- OptiPlex 755 (Mid 2007) Legacy BIOS A22 SLIC Version 2.0
- OptiPlex 760 (Late 2008) Legacy BIOS A16 SLIC Version 2.1
- OptiPlex 780 (Late 2009 Legacy BIOS A15 SLIC Version 2.1
- OptiPlex 960 (Late 2008) Legacy BIOS A18 SLIC Version 2.1
Precision Desktops
- Precision T1500 (Mid 2009) Legacy BIOS 2.4.0
- Precision T3500 (Early 2009) Legacy BIOS A17
- Precision T5500 (Early 2009) Legacy BIOS A16
- Precision T7500 (Early 2009) Legacy BIOS A16
Precision Laptops
- Precision M90 (Late 2008) Legacy BIOS A08
- Precision M2400 (Mid 2008) Legacy BIOS A28
- Precision M4400 (Mid 2008) Legacy BIOS A29
- Precision M6400 (Late 2008) Legacy BIOS A13
- Precision M6500 (Late 2009) Legacy BIOS A10
Studio Desktops
- Studio D540 (Mid 2008) Legacy BIOS 1.1.3
- Studio D540s (Mid 2008) Legacy BIOS 1.1.3
- Studio 1747 (Late 2009) Legacy BIOS A14
- Studio One 19 1909 (Early 2009) Legacy BIOS A10
Studio Laptops
- Studio 1440 (Mid 2009) Legacy BIOS A04 x86, Legacy BIOS A04 x64
- Studio 1435 (Late 2008) Legacy BIOS A06
- Studio 1450 (Mid 2009) Legacy BIOS A06
- Studio 1457 (Late 2009) Legacy BIOS A08
- Studio 1458 (Late 2009) Legacy BIOS A07
- Studio 1535 (Mid 2008) Legacy BIOS A06 SLIC Version 2.0
- Studio 1536 (Mid 2008) Legacy BIOS A06
- Studio 1537 (Late 2008) Legacy BIOS A11
- Studio 1555 (Late 2009) Legacy BIOS A13
- Studio 1557 (Late 2009) Legacy BIOS A09
- Studio 1735 (Mid 2008) Legacy BIOS A05
- Studio 1737 (Late 2008) Legacy BIOS A09
- Studio 1745 (Late 2009) Legacy BIOS A04
- Studio XPS M1340 (Mid 2009) Legacy BIOS A15
- Studio XPS M1640 (Mid 2009) Legacy BIOS A15
- Studio Hybrid D140g (Late 2008) Legacy BIOS 1.1.0
Vostro Desktops
- Vostro 220 (Late 2008) Legacy BIOS 1.0.16
- Vostro 220s (Late 2008) Legacy BIOS 1.3.0
- Vostro 410 (Late 2008) Legacy BIOS 1.0.3
- Vostro 420 (Late 2008) Legacy BIOS 1.3.0
Vostro Laptops
- Vostro 1014 (Late 2009) Legacy BIOS A07
- Vostro 1015 (Mid 2009) Legacy BIOS A06
- Vostro 1088 (Late 2008) Legacy BIOS A03
- Vostro 1200 (Early 2009) Legacy BIOS A09
- Vostro 1220 (Mid 2009) Legacy BIOS 1.3.0
- Vostro 1310 (Early 2008) Legacy BIOS A15
- Vostro 1320 (Early 2009) Legacy BIOS A08
- Vostro 1500 (Early 2008) Legacy BIOS A06
- Vostro 1510 (Early 2008) Legacy BIOS A15
- Vostro 1520 (Early 2009) Legacy BIOS A08
- Vostro 1700 (Early 2009) Legacy BIOS A07
- Vostro 1710 (Early 2008) Legacy BIOS A12
- Vostro 1720 (Early 2009) Legacy BIOS A08
- Vostro 2510 (Early 2009) Legacy BIOS A06
- Vostro A90 (Late 2008) Legacy BIOS A04
- Vostro A840 (Mid 2008) Legacy BIOS A04
- Vostro A860 (Late 2008) Legacy BIOS A02
XPS Desktops
- XPS Adamo 13 (Late 2009) Legacy BIOS A04
- XPS 430 (Mid 2008) Legacy BIOS A01
- XPS 435MT (Late 2008) Legacy BIOS 1.1.4
- XPS 625 (Early 2009) Legacy BIOS 1.0.2
- XPS 630 (Early 2008) Legacy BIOS 1.0.13
- XPS 730 (Late 2008) Legacy BIOS 1.0.6
- XPS One (Mid 2008) Legacy BIOS 2.0.6
- XPS One 24 (Late 2008) Legacy BIOS 1.1.4