T23 - boot problem

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zackuk1 · #1 Post by **zackuk1** » Sat Feb 16, 2008 10:23 am

Hi,
I recently replaced the DVD multidrive on my T23 because it would read data and play music CD's and read data but not play video DVD's
I replaced it with a 'Sony' DVD writer which I bought from a 'reputable' ebay seller. This unit works perfectly in every respect, reads, writes, plays etc.
Unfortunately, when I boot the laptop with the 'new' DVD writer installed, it hangs at the post boot screen (IBM Logo) for over 4 minutes, then boots Ok.
When I boot with the old CD/DVD drive installed it boots normally!
Anyone have any ideas?

ajkula66 · #2 Post by **ajkula66** » Sat Feb 16, 2008 10:34 am

First of all, welcome to the forum!

You may want to update your BIOS to the latest one and see whether that makes a difference.

If it doesn't, you should return the drive if possible.

zackuk1 · #3 Post by **zackuk1** » Sat Feb 16, 2008 10:50 am

Hi, thanks for quick reply.
Unfortunately I bought this drive probably a year ago, and have suffered the problem since. I use my T23 very seldom, but I have now decided to set it up as a Linux machine using Open Suse 10.3.
I have not done this yet and don't know if the problem will still be there with the Linux install.
I have read elsewhere of indications of problems with DVD/RW on older IBM laptops!

cheers

zackuk1 · #4 Post by **zackuk1** » Sat Feb 16, 2008 10:51 am

Hi again,

I shall update bios first - as you suggest.

#5 Post by **rkawakami** » Sat Feb 16, 2008 1:08 pm

I've taken Panasonic, Toshiba, HGST HLDS and Pioneer optical drives and stuck them into a T23 without any operational problems, however, I have usually not tried booting the system with them. I generally hot-swap the new drive and hibernate the system so it's rare that the T23s go through a "cold start".

Couple of questions:

- What's the full model number of the Sony drive?
- In Windows Device Manager, how is the Sony optical drive listed? In other words, check the DVD/CDROM entry and report what the "location" line says in the General tab.

My guess is that the drive is reporting itself as a slave and the location is "1 (1)". My understanding is that Ultrabay optical drives should be connected as master (location 0 (0)) and this is what might be giving the POST a problem.

zackuk1 · #6 Post by **zackuk1** » Sun Feb 17, 2008 3:16 pm

Hi there,
thanks for the advice.

The drive is a Sony DVD RW DW-G521A
FRU P/N 08K9865 ASM P/N 08K9862 REV 182 May 2006

You are dead right - there is a problem with drive 'locations' !
The DVD drive is 0 (0)
My hard drive is also 0 (0)
This is no doubt the cause of the 'post' hang - any ideas how to rectify this?

Thanks

#7 Post by **rkawakami** » Sun Feb 17, 2008 4:08 pm

No, the DVD drive should report as "location 0 (0)". That just means it's the master device on the secondary disk controller. If that's the case then I don't know what the POST delay is all about.

#8 Post by **RealBlackStuff** » Sun Feb 17, 2008 9:02 pm

Check the Master/Slave/Cable select jumper on that drive, it must be Master.

zackuk1 · #9 Post by **zackuk1** » Mon Feb 25, 2008 4:51 pm

Hi, thanks for suggestion,

This is an ultrabay drive - no jumpers on these drives
Bios is latest version !

I get round problem by unlocking drive in bay - then booting - then when drive is needed - fully insert it.- drive then works normally.

If I need to boot from CD/DVD I just have to suffer the '4 minute' hang at 'post'

C'est la vie
But still puzzled!!

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