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My new (to me) Thinkpad 760XD

Older ThinkPads.. from the 600, the 7xx, the iSeries, 300, 500, the Transnote and, of course, the 701
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Raidriar
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Posts: 92
Joined: Thu Dec 01, 2016 12:43 am
Location: Richmond, VA

My new (to me) Thinkpad 760XD

#1 Post by Raidriar » Thu Apr 05, 2018 11:21 pm

I gambled on this computer on ebay...23$ shipped as "untested", without a power supply. 20$ later for a genuine IBM power supply, the computer boots up! of course I'm greeted by typical dead CMOS battery errors, but I have questions about such an old machine!

1. How do I access the battery/hard disk?
2. Are there any replacement batteries around?
3. What kind of RAM/max ram can it support?
4. Has anybody shoehorned a SSD into here?
5. Does anybody have the restore disks for this computer?

I was shocked by how thick and heavy this beast is, it really competes with some of my Alienwares in terms of weight and girth!
Thinkpads: 760XD, 600E, T23, T30, T43p, T61p
Alienwares: M17x R1, M17x R2, M18x R1, M18x R2, Alienware 18
Razers: Razer Blade Pro 2017 FHD

axur-delmeria
ThinkPadder
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Posts: 1981
Joined: Mon May 28, 2012 5:49 am
Location: Metro Manila, Philippines

Re: My new (to me) Thinkpad 760XD

#2 Post by axur-delmeria » Fri Apr 06, 2018 12:11 am

1. The keyboard assembly (including palmrest) lifts up like a car's hood/bonnet. Push the lid latches away from you: Video: https://youtu.be/hW6BsQEUq80?t=71

3. EDO RAM. Max RAM is 104MB IIRC (64MB EDO stick + 32MB EDO stick + onboard RAM)

4. IIRC a CompactFlash card (with IDE adapter) below 8GB works well. An SSD might be too much (it's faster than system RAM)

I recommend reading the HMM https://thinkpads.com/support/hmm/hmm_pdf/vol4hmm.pdf and the Technical Reference https://download.lenovo.com/ibmdl/pub/p ... 65tref.pdf.
Daily driver: X220 4291-C91 i7-2620M

Backup: X220 4291-P79 i5-2520M
Toy: X60F Core Solo U1300
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
:cry:

Raidriar
Freshman Member
Posts: 92
Joined: Thu Dec 01, 2016 12:43 am
Location: Richmond, VA

Re: My new (to me) Thinkpad 760XD

#3 Post by Raidriar » Fri Apr 06, 2018 7:01 am

axur-delmeria wrote:
Fri Apr 06, 2018 12:11 am
1. The keyboard assembly (including palmrest) lifts up like a car's hood/bonnet. Push the lid latches away from you: Video: https://youtu.be/hW6BsQEUq80?t=71

3. EDO RAM. Max RAM is 104MB IIRC (64MB EDO stick + 32MB EDO stick + onboard RAM)

4. IIRC a CompactFlash card (with IDE adapter) below 8GB works well. An SSD might be too much (it's faster than system RAM)

I recommend reading the HMM https://thinkpads.com/support/hmm/hmm_pdf/vol4hmm.pdf and the Technical Reference https://download.lenovo.com/ibmdl/pub/p ... 65tref.pdf.
1. That's so cool!

3. Cannot use 2 x 64mb?

4. I have a spare SLC mSATA SSD I want to use through a msata-PATA (IDE) bridge, though I think I will save that for the 600E and try the compact flash card method assuming the memory cells are durable enough
Thinkpads: 760XD, 600E, T23, T30, T43p, T61p
Alienwares: M17x R1, M17x R2, M18x R1, M18x R2, Alienware 18
Razers: Razer Blade Pro 2017 FHD

axur-delmeria
ThinkPadder
ThinkPadder
Posts: 1981
Joined: Mon May 28, 2012 5:49 am
Location: Metro Manila, Philippines

Re: My new (to me) Thinkpad 760XD

#4 Post by axur-delmeria » Fri Apr 06, 2018 7:22 am

Raidriar wrote:
Fri Apr 06, 2018 7:01 am
3. Cannot use 2 x 64mb?
IIRC the two RAM slots reside on a daughterboard that also contains 16MB RAM (split into two banks of 8MB). The 64MB stick contains 2 banks of 32MB. To get 104MB RAM, you put 64MB in one slot, 32MB on the other, then one of the onboard 8MB banks is disabled.

I'm recounting this from memory, as I had a 760XD long ago, with 64MB total RAM (32MB + 16MB + 16MB onboard). I think this info can be found in either the HMM or Technical Reference.

128MB may be possible if you can somehow disable all the onboard RAM--removing the RAM chips perhaps?
Daily driver: X220 4291-C91 i7-2620M

Backup: X220 4291-P79 i5-2520M
Toy: X60F Core Solo U1300
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
:cry:

axur-delmeria
ThinkPadder
ThinkPadder
Posts: 1981
Joined: Mon May 28, 2012 5:49 am
Location: Metro Manila, Philippines

Re: My new (to me) Thinkpad 760XD

#5 Post by axur-delmeria » Tue Apr 10, 2018 10:18 am

Check out this archived web page: https://web.archive.org/web/20070629235 ... 760xd.html

It's the one i used to read when I still had a 760XD. :D
Daily driver: X220 4291-C91 i7-2620M

Backup: X220 4291-P79 i5-2520M
Toy: X60F Core Solo U1300
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
:cry:

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