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jeremywork

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  1. jeremywork

    PM 8600 reports wrong size RAM?

    Unfortunately they were secondhand on eBay... Had OWC not discontinued them I'd feel confident buying new from them.
  2. jeremywork

    PM 8600 reports wrong size RAM?

    Update: 2 of the 3 OWC 128MB modules were the correct buffer for my system, and I can confirm they read properly as 128MB modules, not 64MB (so the board was not at fault in this case it seems)
  3. jeremywork

    PM 8600 reports wrong size RAM?

    As I was re-reading the eBay listing, I noticed it specifies a firmware that allows a boot screen on older PCI powermacs. If I recall correctly ATI cards can only be flashed in a PC, but I could try to dump the ROM. Not sure how it would play if the card happened to have any differences in the hardware though... The composite port on mine is actually soldered to a larger S-video header on the board (I used to have an S-Video version in a Quicksilver G4 I sold.) I imagine with a steady soldering iron it would work perfectly with an S-Video output.
  4. jeremywork

    PM 8600 reports wrong size RAM?

    I just came across this unrelated but similar quote here regarding memory in the beige G3: http://lowendmac.com/1997/beige-power-mac-g3-1997/ "The Beige G3 supports 256 MB DIMMs, but they must be built using 128 Mb chips. DIMMs built with 256 Mb chips will work, but the memory controller will only see the first 128 Mb of each chip. Compatible 256 MB DIMMs will have 16 memory chips, 8 on each side." The Radeon 7000 I purchased is still for sale on eBay here: https://www.ebay.com/itm/263487427195 It only has official drivers for OS 8+ but can actually be run accelerated in 7.6.1 thanks to some prior knowledge here: http://main.system7today.com/articles/videocards.html (Click through to the help center where you can download the System 7 driver package) It even properly runs the Aluminum DVI 23" Cinema at full 1920x1200 resolution in both 7.6.1 and 8.6! I was quite surprised as this display is known to be particularly hard to satisfy even by newer machines like G4 towers. EDIT: even without drivers, the 7000 should display UNaccelerated video in both 7.6.1 and 8.6... does your card work in other Macs? Perhaps it's a PC BIOS or it wants to be in a different PCI slot?
  5. jeremywork

    PM 8600 reports wrong size RAM?

    Forgot to mention changing CPUs didn't change for me either. 604e/200, 604ev/350, MaxPowr G4/450 all reported 64MB. Definitely a motherboard (or ROM?) problem. The only thing I didn't think to try (didn't know at the time before I returned the memory) is that these motherboards start at the highest numbered slot pairs and count down (A4/B4, A3/B3, etc.) I don't think this should make a difference but I was counting up from A1/B1 and never got a chance to test it properly. Echo your comment on System 7 I love it but find it much more stable on more moderate systems like my 5500 or PowerBook 3400c. G4 upgrade aside, I think I have too much PCI glory going on in the 9600 for System 7 to play with! (Apple 10/100 | Sonnet Tempo Trio | Grappler 3940UW | OrangePC 660 | Radeon 7000 | Voodoo5 5500)
  6. jeremywork

    PM 8600 reports wrong size RAM?

    I had this exact same problem in my 9600/350 as well as my 8600/200. I have a MaxPowr G4 upgrade which only plays nicely with 162244 type buffers, making finding memory a pain. I found my 16MB and 32MBs report properly, but the 128MBs I purchased all showed as 64MB no matter what configuration I installed them in (OS 7.6.1 and OS 8.6). The manufacturer suggested the motherboard doesn't support double sided modules, but their site specifically advertised them for NewerTech MaxPowr CPU upgrades. I feel like I'm missing something, but haven't got a clue. I ordered three used 128MB 5v FPM modules that had OWC stickers, so when those arrive I'll see if any of them are 162244 buffer compliant and if they read properly in the 9600. Wish I had the answer but it's nice to know I'm not alone!
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