Tach XL2 Fibre Channel Host Adapter Driver 1.20.0.0
by Atto Technology, Inc.Windows 11Windows 1032-bitSHA-256 verified
- Manufacturer
- Atto Technology, Inc.
- Device
- Tach XL2 Fibre Channel Host Adapter
- Driver version
1.20.0.0- Release date
- January 3, 2005
- Supported Windows
- Windows 11, Windows 10
- Architecture
- 32-bit (x86)
- File size
- 190 KB
- File name
20009106_f500f328a564a710c589f5293d447eb25660b401.cab- Digital signature
- Signed - catalog
ClrtyFC.cat - INF version
07/25/2006,2.18.2.0- INF provider
- ATTO Technology, Inc.
- Device class
- SCSIAdapter
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
448523a20d06eab3dd6ee14e5d657a5552eec5b743c01eb1d832db71c2682c4a
Supported hardware IDs (14)
- PCI\VEN_15BC&DEV_0105&SUBSYS_0022117C
- PCI\VEN_103C&DEV_1029&SUBSYS_001C117C
- PCI\VEN_15BC&DEV_0100&SUBSYS_001D117C
- PCI\VEN_15BC&DEV_0101&SUBSYS_001D117C
- PCI\VEN_15BC&DEV_0101&SUBSYS_001E117C
- PCI\VEN_15BC&DEV_0101&SUBSYS_0020117C
- PCI\VEN_15BC&DEV_0101&SUBSYS_0021117C
- PCI\VEN_15BC&DEV_0105&SUBSYS_002E117C
- PCI\VEN_15BC&DEV_0105&SUBSYS_0023117C
- PCI\VEN_15BC&DEV_0105&SUBSYS_0025117C
- PCI\VEN_15BC&DEV_0105&SUBSYS_0026117C
- PCI\VEN_15BC&DEV_0105&SUBSYS_002A117C
- ATTO_CELERITYFC
- PCI\VEN_15BC&DEV_0105&SUBSYS_002B117C
Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.
How to install
- Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
- Verify compatibility: your Windows version (Windows 11, Windows 10) and architecture (x86)must match this driver, and your device's Hardware ID should appear in the list above.
- Download the file using the button - it comes directly from Microsoft Update Catalog.
- Optionally verify the checksum: open PowerShell, run
Get-FileHash your-download.cab -Algorithm SHA256and compare with the SHA-256 above. - Extract the .cab archive: right-click → Extract All, or run
expand -F:* file.cab C:\driver\in Command Prompt. - Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run
pnputil /add-driver C:\driver\*.inf /install. - Check Device Manager: the device should show no warning icons, and the driver version should match.
How to roll back
If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).