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News Archive for: 8/30/2001 Thursday's NewsReturn to Accelerate Your Mac!

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Top stories of 8/30/2001:

Feedback on OpenFirmware Mods to Fix OS X Timebase Issue with 100MHz Bus iBook:
Tycho, the author of the iBook overclocking guide here noted that the Openfirmware mods sent by a reader did fix the timebase problem in OS X. I've linked the script in the header of the article. (This is not something the average user should attempt and there's no guarantees that it will work for you - it's provided without warranties of any kind.) The user that created the script used the instructions on Open Firmware editing shown in the older (Dec. 1999) article by Michiro Isobe. (Sawtooth bus speed tweaking nvedit article).
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OWC Sales on G4 ZIFs, Apple ROM CDRW, DVD-RAM drives and SuperDrives:
" Hi Mike,
We have four specials for the XLR8YourMac readers that I wanted to tell you about-

First, we are excited to have our own line of G4 ZIF processors available again! These have been testing absolutely fantastic, every one I have been testing has run perfectly overclocked to 450 or 466 in a beige/B&W. Of course we are not guaranteeing them to overclock, but the odds are excellent.

OWC Mercury G4/400MHz Motorola 9x ZIF w/1024k 2:1, Adjustable, 2yr Warranty (Z4400MA) more info... $249.99
Or, bundled with the XLR8 Carrier Card for use in PCI based Power Macintosh/clones
XLR8 Carrier ZIF Adapter & OWC Mercury G4/400 1024K Cache 9X ZIF Bundle (XGZM4400) $349.95

And, we have some awesome deals on Apple original system pull CD-RW, DVD-RAM and DVD-R drives. The SuperDrives are limited availability - first come, first served, but the first two drives we have very good stock on.

Apple Computer 8x4x32 CDRW - Sony Mechanism, System Pull, Excellent Condition. 90 Day OWC Warranty (APLCDCRX140E) $89.95

Apple Internal DVD-RAM 1X for the Power Macintosh G4 AGP Apple Service Part # 661-2162 - 90 Day OWC Warranty (APLSV6612162) $224.99

Pioneer DVR-103PA - Apple Computer System Pull. 4.3GB DVD-R - Excellent condition! (APPLESUPERDRIVE) $699.95

Have a great holiday weekend!
Jamie Dresser
Other World Computing "

These items are listed on the OWC Site Specials page.

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Cool PowerBook G4 X-Ray Desktop Picture:
" Hello Mike,
I thought perhaps you might like the picture in a better quality (a few more kilobytes ;-)
(he later wrote with a new link with blue, gray and green versions of the xray)-Mike)

I found this a while ago on the web (but can't find the site again) Someone with access to a high resolution digital x-ray machine took the picture and published it. I made a few adjustments in Photoshop and fitted it as a Titanium desktop picture.
Best regards,

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Reader's Open Firmware Mod for iBook 100MHz bus speed mod OS X Timebase Issue:
Yesterday's news had a note that a 2001 iBook owner that performed the 100MHz bus speed mod (noted in the 2001 iBook Overclocking guide) saw a problem with the clock (time) in OS X being too fast. Another reader sent an OpenFirmware script he said that would fix the issue. (Based on a past article here on OpenFirmware edits from Michiro Isobe). I've sent the script to Tycho for testing and will report back here if it works for him also. (See the above news item for more info - Tycho said it worked.)
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PowerBook Internal Battery Disconnect Didn't Solve Firewire Port Problems:
Since there were other readers with the same Firewire port problems with their PowerBook G4s as mine (nothing works - not even Firewire target disk mode) I wanted to note that disconnecting the internal backup battery overnight did not solve the problem. I can only assume this is a hardware problem. (I tried all tricks possible to no avail. - resetting power manager, zapping pram, resetting open firmware, etc. and nothing has helped.) Removing the internal battery for several hours fixed the same problem with a G4 Cube here but not for this Powerbook. Looks like it's going to take a warranty repair. (Apple's hardware test CD does not find any problems, but it really doesn't exercise the firewire port apparently, since it's clearly not working even in Firewire target disk mode connected to another Mac.)
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PCworld Article on Failures of IBM 75GB Drives:
Over the last year I have seen some comments on the web (PC forums, etc.) about higher than expected failure rates of some IBM 75GXP drives. I have 3 of them and none have had a problem so far (the oldest is about a year old). I don't think the drive database reports here note any trend like this either. However there's a PCworld news story from yesterday that talks about failure reports on the 75GB models. The article says IBM denies there's a problem. (The article notes "7500 rpm" but the drives are actually 7200 rpm.)
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Comments on nForce Motherboard in Future Macs:
Back on July 25th here I had speculated that the Nvidia nForce (integrated motherboard with high speed IO, advanced audio, onboard graphics etc.) might make its way to future Macs after seeing that Apple (and nVidia) were part of the HyperTransport Consortium. A reader sent a comment from a PC website that also hints at this possibility:

" I was reading an article at [link corrected] about the forth coming Nvidia nforce chipset and surprised by the following paragraph. This was taken directly from the article:

Future platforms
Since it's based on the GeForce2 MX core, nForce's integrated graphics fully supports Apple's big endian byte ordering scheme. When we questioned NVIDIA if it was possible we could see nForce in the Mac, NVIDIA answered in the affirmative. In fact, the mobile space is another area NVIDIA would possibly explore in the future.

Thought I would let you know!
Doug T. "

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CDRW/CD/DVD/Hard Drive Compatibility Database Updates:
The Drive Compatibility searchable database had 7 new reports added this morning. The database has reports on Combo DVD-CDRW, CDROMs, DVD-ROM, DVD-RAM, CDRW, Hard Drives and Removables (tape drive, ORB, ZIP, MO drives, etc.) in all interface types (IDE, IDE RAID cards, Firewire, SCSI, adapters). Current total 4,577 reports. Here are today's additions:

    IDE CDRW Reports:
  • Samsung SW-408 in B&W G3

    Firewire CDRW Reports:
  • Acomdata 12/10/32 (lite-on?) used with iMac slot loading
  • Que 12x10x32 (Teac Mechanism) used with B&W G3
    (noted drive problems after a short period of use)

    Firewire DVD Recorder Reports:
  • Lacie (Pioneer DVR-103 mechanism) used with Powerbook G4

    SCSI CDRW Reports:
  • HP 9200e (external) 8/4/24 used with 95/9600
    (problems noted with burn rates over 4x)

    Firewire DVD ROM Reports:
  • Toshiba SD-M1502 16X/48X in ADS Pyro case (G4/AGP 2001 system)

    IDE DVD ROM Reports:
  • Matshita SR-8583 in Beige G3
    (bought OWC OEM DVD ROM/Mpeg Rage128 piggyback card bundle)

You can find full owner reports by searching the database by drive/brand/interface/mac models (the latest reports are shown first in searches).
If you've added a IDE, SCSI, Firewire or USB hard drive, CDRW, tape drive, etc. make sure you add a report to the database. [If you post an updated entry - make sure you use the same name, etc. as you did before so I can find your past entry. Thanks.]

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CPU Upgrades Owner Reports Database Updated:
The Rate Your CPU Upgrade database has been updated with 3 new reports today (total to date: 6,159). [Entries after midnight Eastern time are added the following day. Incomplete entires missing info are not posted.]

  • Powerlogix G4/450 in Umax S900 (rated 9)
  • Sonnet G4/400 in Umax S900 (rated 10)
  • XLR8 CarrierZIF w/G3 233 ZIF in 7300/180 (rated 10)

(Warning - Overclocking may not be reliable and could lead to hardware failure or corrupted data.) You can find the full reports by searching the database selecting the indicated Mac model and upgrade card brand/type. If you've upgraded the CPU on your Mac, please post an entry in the database. Search the database for entries from most every upgradable Mac model *before* you buy. (Searchable by mac model/upgrade brand). For detailed reviews with performance tests and install tips, see the CPU Upgrades page.)

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Blast from the Past - News pages from 1, 2 and 3 years ago:
I've had several readers ask that I restore a news item that I used to call "Blast from the Past" where links to past news pages from a year, two years, etc. ago here are included in the daily news. (Sometimes these old pages are a bit embarrassing - and in many cases the offsite links may not work, and comments there were accurate on the date posted regarding upgrade availability, etc.)

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Software Updates, Apple TILs, Other Net News

    Apple TIL Updates: [none today]

    OS X Related TILs

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