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Archive for April 22nd, 2011

Mapping of Lenovo ThinkPad W701 SATA bays to boot devices

Posted by jpluimers on 2011/04/22

The Lenovo ThinkPad W701 can have three (3!) SATA spindles, one of which is through the Serial Ultrabay Enhanced bay, the other 2 can be hard drives.

Below is the mapping between the bays and the boot devices.

The bays are numbered as in the ThinkPad W700, W700ds, W701, and W701ds Hardware Maintenance Manual.

  1. Internal SATA Port 1; ATA HDD0 or ATA CD0: 1030 Serial Ultrabay Enhanced device (page 90)
  2. Internal SATA Port 2; ATA HDD1: 1040 Hard disk drive (HDD) slot 1 (page 92)
  3. Internal SATA Port 0; ATA HDD2: 1040 Hard disk drive (HDD) slot 0 (page 92)
  4. External SATA Port 4: unknown
  5. External SATA Port 5: unknown

Note that the slot order and the boot device order is counter intuitive, espcially since the W701 ships with a HDD in slot 1 (which is ATA HDD0), and the SATA ports don’t map to the HDD numbers.

I don’t know yet which External SATA Port maps to the USB/eSATA combo connector mentioned on page 195.

Some remarks:

The Serial Ultrabay Enhanced bay is probably HDD0 because it is also CD0, and it makes sense to boot from CD first when you install a machine.

ATA CD0 is for one these optical devices:

ATA HDD0, 1 and 2 can be one of those HDD devices (for ATA HDD2 you need a Serial Ultrabay Enhanced adapter, either 9.5mm or 12.7 mm high):

  • 1.8 inch SATA SSD through adapter FRU 42W7888
  • 2.5 inch SATA SSD
  • 2.5 inch SATA HDD

The Serial Ultrabay Enhanced adapter can hold 12.5 mm drives, the other bays can only hold 9.5 mm drives.

It looks like the W701 is the last ThinkPad that ships with a 1920 x 1200 screen (all newer models have HD screens of 1920 x 1080, so you loose 10% of your screen height).

I learned that the yellow USB port is the powerd one (if it is disabled, you can enable the power in the BIOS)


Posted in BIOS, Boot, Power User, ThinkPad, W701 | 1 Comment »

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