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Recent content by jeremywork

  1. jeremywork

    Anyone remember the Mac Cracker?

    I've had this thing in my toolbox for a long time. I think my grandmother acquired it when upgrading her SE to 2MB in the late eighties. Not sure who made it, but they did a good job!
  2. jeremywork

    Weird RAM issue - PowerMac11,2

    Been a while, but I recall this cosmetic issue will not affect performance. PC2-5300 is usually backward compatible at 4200 and 3200 speeds (PC2-6400 as well.) System profiler reads SPD and when there are multiple speed configurations, only the first is presented to the user. The memory...
  3. jeremywork

    Maximum SiliconExpress IV Throughput

    I think it's owed to an architectural improvement... the same drive/SEIV on a Q950 reached only about 8MB/s (closer to 9MB/s when overclocked to 40-45MHz or running a 100MHz DayStar 601.)
  4. jeremywork

    Maximum SiliconExpress IV Throughput

    Not in front of me right now, but I was able to get ~18MB/sec on a Quadra 840AV with a 10kRPM 16-bit drive attached to an SEIV. I think the 8100/100 and 8100/110 will perform within ballpark. The 6100, 7100, and 8100/80 have an older version of the NuBus controller IIRC which may inhibit...
  5. jeremywork

    Geethree G4+ “Stealth Serial Port” PCI slot bracket

    I haven't experimented much with this, but perhaps Classic environment would retain the advantage if nothing else?
  6. jeremywork

    NuBus video cards Benchmarks - SuperMac, Radius, E-Machines, RasterOps

    The popular mitigation is to populate the IIci's bank A with 4 x 256k SIMMs, then set the disk cache (or use RAM-Muncher) to allocate the first 768k (or more if you plan to use video modes which use less than 640 x 480 x 8-bit = 307.2k) so that only the disk cache needs to share bandwidth with...
  7. jeremywork

    Geethree G4+ “Stealth Serial Port” PCI slot bracket

    I do- do these closeups help?
  8. jeremywork

    Geethree G4+ “Stealth Serial Port” PCI slot bracket

    Here are the two variants I've seen: The long/thin design is for the original G5, and also the Dual 1.8GHz variant of the subsequent June 2004 model. The other one fits the Dual 2.0/2.5GHz June 2004, the Late 2004, and Early 2005 models. The Apple service manual refers to this as "Soft...
  9. jeremywork

    Dual head VidCard for DA QS & MDD Suggestions?

    I've been running an ATI FireGL X3 in my MDD G4 which @herd flashed with an Apple X850 XT ROM. It'll drive a 30" Cinema at 2560x1600 on one dual-link DVI port and the second port can run a 1920x1200 simultaneously. OSX drivers only, however. I'm not sure any Dual-link DVI card will have OS9...
  10. jeremywork

    4400/7220/Tanzania Clone VRAM

    Is this any help?
  11. jeremywork

    Running the IBM T221 on vintage (new world) Macs

    If you're using the LFH-60 cables with two DVI connectors + USB, then they're not actually DVI-DL. It's a discrepancy which can be a bit confusing, but those cables provide dual single-link DVI (two signals displayed side-by-side on the T221), whereas dual-link DVI natively interpolates each...
  12. jeremywork

    PowerBook 500 series logic board revisions. How many differences ?

    The three variants I've seen are 820-0550-A, 820-0615-A, and 820-0709-A (550c).
  13. jeremywork

    Recent excavations

    Having read your rationale for using this service I don't disagree outright- the site itself may be more than it appears, however. This request appeared immediately upon navigating to the page (Little Snitch, FWIW.) plugin-container is a Firefox component I rarely see activity from when not...
  14. jeremywork

    040 PDS SCSI card: Storage Dimensions DataCannon/PDS aka TechNoir NX720

    This is really cool. I'm looking forward to trying this out when I have some free time. Also thanks @cheesestraws for pointing me to this listing for a Data Cannon ROM v2.4 upgrade kit which also included MacinStor v3.2.5. https://www.ebay.com/itm/354631040717 All of the contents are attached...
  15. jeremywork

    Patch 8*24 GC Control Panel for Compatibility with Drag & Drop?

    A few oddities I'm accustomed to when acceleration is enabled alongside drag and drop: - Netscape Navigator draws 'Back' in every button across the toolbar. - Drawing dropdown menus more than once consecutively becomes garbled (e.g. open the control panels menu from the Apple menu, then slide...
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