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UltraBay Slim in T410

somewhere should be mentioned, that the T410 does NOT support a ultra bay battery. i think i wouldn't had bought it, with this information. --Ribx 08:57, 22 May 2010 (UTC)

9.5mm Optical drive standard and UltraBay Slim

The article mentions standard 12.7mm optical drive interchangeability / compatibility with the Apple iBook slot-loading drive and the UltraBay 2000. This seems somewhat obvious. However, has anyone uncovered whether the connector on the 9.5mm optical drives used in the MacBook and 15" MacBook Pro is the same (i.e. interchangeable / compatible) with the 9.5mm UltraBay Slim? Zuzu 02:48, 16 November 2007 (UTC)

I am reasonably sure a Floppy drive does not exist for the UltraBay Slim. People are told to use a USB FDD instead.

Also the UltraBay 2000 battery is not supported in UltraBay Plus. UltraBay Plus has its own battery that should be used

Anyone know if it's possible to bodge together a 770X Ultrabay II CD-RW from a Ultrabay II DVD and, say, a 600E UltraSlimBay CD-RW? Just something I've been wondering for a while.


UltraBay II?

Does it seem odd that the UltraBay II was the first bay? Was there no UltraBay, or some other type of bay? -- Whizkid 00:51, 16 Apr 2005 (CEST)

True. ;-) It seems, that actually the drive bay in the 380 models was called UltraBay, but i don't know for sure. So i didn't add it.

Wyrfel 00:36, 17 Apr 2005 (CEST)

Not just IDE

Obviously UltraBay is not just an IDE interface.

Most also have a floppy interface (apart from the latest 'slim' and 'enhanced' versions), and can take a battery.

If I remember correctly you could get the floppy drive activated by hibernating the thinkpad and installing the floppy drive, so that on power up the BIOS would enable the floppy disk drive and it would work. This was in the old APM days, so it might work differently with ACPI.

You're right. I remember reading some IBM text about the UltraBay yesterday, which said that the controller is capable of dynamically changing the pin layout to support the different kind of devices (initiated by the BIOS). I'll try finding it again and correcting the information on the page.

Wyrfel 23:16, 17 Apr 2005 (CEST)

On my 770x under ACPI, if you force the floppy driver to use 2 3.5" drives (in modprobe.conf options floppy floppy=1,4,cmos), then you get to use either external floppy / ultrabay floppy / both if you plug them in after boot time. Otherwise the autodetect only finds one. I still haven't got hotplug fully working (mostly as it depends on Linux being able to hotplug IDE devices, not just IDE controllers).


I added a page for the drive (UltraBay II Floppy Drive) containing your info. Wyrfel 21:24, 9 Aug 2005 (CEST)

First UltraBay

The oldest references I can find to the name 'UltraBay' are the ThinkPad 755 series (755CSE, 755CE, etc).

But the older 750 models already had the hot-swappable drive bay, and support some of the same options, so it looks like the 'UltraBay' started with the 750 series.

But then again, later models support CD-ROM drives (755CD, 760CD, etc), which certainly are not supported in these older models, but they are all called 'UltraBay'.


My understanding of the original Ultrabays is as follows:


  • ThinkPads:
    • 355, 355C, 355Cs
    • 360, 360C, 360Cs, 360P, 360CE, 360CSE, 360PE
    • 370C
    • 750, 750C, 750Cs, 750P
    • 755C, 755Cs, 755CE, 755CSE, 755CX
    • 760C, 760L, 760E (thin model)
  • Devices (probably not all devices are supported in every ThinkPad):
    • 1.44MB FDD
    • 2.88MB FDD
    • Cellular Digital Packet Data (CDPD) - not compatible with 360P, 360PE, 750P
    • IBM Wireless Modem for ARDIS
    • TV Tuner (NTSC)
    • 2nd HDD
    • 2nd Battery
    • PCMCIA Cartridge

UltraBay - Thick

  • ThinkPads:
    • 755CD, 755CDV
    • 760CD, 760LD, 760EL, 760ELD, 760E (thick model), 760XL, 760XD
    • 765D, 765L
  • Supports UltraBay devices, in addition to:
    • CD-ROM drive


Optical drive adapters

I can´t include this information easily in ThinkWiki. Please, help me!

I think adapters P/N (or FRU P/N) should also be mentioned: above webpages can disappear in a future, and the P/N is an unequivocal reference!. Adapters may work only in selected models!!

Ultrabay Enhanced optical drive Adapter (P/N 73P3268 ¿or 73P3269?): it allows to use an Ultrabay Enhanced optical-drive inside of an Ultrabay 2000/Ultrabay Plus bay. Only supported in a limited list of models?.

Ultrabay Slim optical drive Adapter (62P4557): it allows to use an Ultrabay Slim optical-drive inside of an Ultrabay 2000/Ultrabay Plus bay.

Device Carrier option for Ultrabay Plus in: [4], and [5]

--AlBundy 19:08, 9 Aug 2005 (CEST)

I created some pages for this. Go to UltraBay Devices and edit the pages linked from there. Wyrfel 20:03, 9 Aug 2005 (CEST)

The pages have been created and are linkted from the UltraBay Devices page. Wyrfel 01:25, 16 Aug 2005 (CEST)

Thank you. AlBundy 19:50, 25 Aug 2005 (CEST)

Hate to be picky, but the text on [6] is surprisingly similar to that on the wiki page ... copyright, anyone? -- [7]

Yepp, me, copyright! ;-) I'm the actual originator of this text and the table. Then Wikipedia migrated it from here. The article at is nothing but a quote of the Wikipedia article, as stated below it: "This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)". Hate to be picky, too, but please read carefully. ;-) Wyrfel 12:04, 28 Sep 2005 (CEST)

Danggit. What got me to think that they invent the stuff on that site themselves I don't know, but I'll increase my browser's default font size. [8]

--SystemParadox 22:16, 20 February 2006 (CET)

Anyone know how to identify the type of device in the bay (e.g. battery, floppy, hdd, cd, etc) in Linux?

The ibm_acpi readme says that the eject lever being released or inserted should generate an ACPI event. On my T23 it doesn't. It's really annoying. Ideas anyone?

UltraBay Slim: SATA vs. PATA

The text and table should differentiate between the PATA version of the UltraBay Slim (e.g., T4x) and the SATA version (e.g., T6x). AFAIK they are completely incompatibe for storage devices.

--Thinker 21:14, 8 October 2006 (CEST)

To my (limited) understanding, the SATA devices will not work in the 'older' TPs like the T4x, but the PATA devices WILL work in the latest systems, as the have both SATA and PATA support.

--Tonko 20:50, 9 October 2006 (CEST)

That's nice. We should find out and document this, maybe distinguishing "UltraBay Slim (PATA)" from "UltraBay Slim (SATA+PATA)" whenever relevant.

--Thinker 01:05, 10 October 2006 (CEST)

UltraBay and G series

In my G41 (2881-D2U) there is an Ultrabay Enhanced optical drive with a "bracket" attached (this bracket is then screwed to the G41). The drive can be removed but not hot-swapped; requires keyboard to be removed first. Do all Gs have Ultrabay Enhanced drives? Will a standard Ultrabay Enhanced drive work in G series?

--Mik 10:13, 4 November 2007 (UTC)

Ultrabay Slim Batteries in Ultrabay Serial Slim

I tested a used 40Y6790 on my W500 today, but the battery didn't slid in completely. When I compare the battery with the DVD-drive, the DVD-drive has a small pin at the back and a shorter slide, so the battery cannot fit in mechanically. Photo follows.

--Sebi 13:42, 2 April 2011 (CEST)

That is correct. I also have such a battery (FRU 08K8191) and it does not fit into my T410 either. --Tonko 09:58, 4 April 2011 (CEST)