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tmtomh
Junior Member


USA
172 Posts
Posted - 26 Oct 2002 :  11:27:00
Wanted to list this in conquests, but I got it in a swap, so I figure it doesn't qualify...

... but in exchange for a SCSI cable and a serial cable, I got a nice IIsi ROM for my SE/30. Frankly I don't notice any difference in performance, but I like the idea of having it, and I like that it contributes to the very subtle "frankenmac-on-the-inside" vibe, along with the A/UX installation I have on it.

Speaking of which, what exactly is the IIsi ROM supposed to do? I didn't have MODE32 installed beforehand, so I suppose the Mac OS wasn't able to address the full 20MB of installed RAM, is that right? What about the A/UX side? I guess I should post this particular question to the Unix forum. So off I go...

Matt

No rank

Permanent 68k roommates:
Q605 w/full '040, 36/1.2G/enet/7.6.1/NetBSD
SE/30 w/IIsi ROM, 20/500/enet/A/UX

jag
Starting Member



22 Posts
Posted - 14 Aug 2003 :  15:18:14
The ROM stand for read only memory, it basically Apple code burned into a chip that makes the mac run. There is no benefit in putting an si rom into another mac contrary to popular belief : ).

JAG

http://www.jagshouse.com - the web's oldest classic Mac site, used Mac goodies for sale.Go to Top of Page

tomlee59
Starting Member


USA
46 Posts
Posted - 14 Aug 2003 :  16:53:50
You figured out the one benefit: a IIsi ROM makes the SE/30 32-bit clean, so you will be able to see all 20MB of RAM. Before, you would have had to use mode32.

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jag
Starting Member



22 Posts
Posted - 18 Aug 2003 :  00:43:51
MODE 32 is easily available, that's not a benefit in my book : )

http://www.jagshouse.com-classic Mac site Mac goodies for sale. 128, 512, Plus, SE, SE30, Classic, CII, CC, II, IIX, IICX, IICI, IISI, IIVX, IIFX, MacTV, 575, 660AV, 840AV, Q700, Q900, Q950, 6100 - 6500, 7100 - 7600, 8500, 8600, 9500, 9600, iMac G4Go to Top of Page

maclover5
LC Doctor/Hot Rodder


Australia
5830 Posts
Posted - 18 Aug 2003 :  02:11:41
Yeah, but the IIsi ROM enables you to run System 7.6 on your SE/30, which you can't do with the stock SE/30 ROM, even with Mode32. Or, if you're patient enough, with the instructions from Gamba or Born Again, you can trick OS 8 into running on the /30 with the IIsi ROM, which you also can't do with Mode32 and the stock ROM.

"**** em" - Jobs in regards to customers
Warrior maclover5
68kMLA

Official 68kMLA Detective
Number of 68ks Liberated: 7
Number of Contraband (PPC) Liberated from the Dumpster: 1Go to Top of Page

jag
Starting Member



22 Posts
Posted - 27 Aug 2003 :  19:10:45
There is no need to run 7.6 anyway when you can d/l everything that's in 7.5 and not in 7.5.5 for free from Apple and drop it into 7.5.5. Keep trying : )

See this page for details:

http://jagshouse.com/macos.html

JAG

http://www.jagshouse.com-classic Mac site Mac goodies for sale. 128, 512, Plus, SE, SE30, Classic, CII, CC, II, IIX, IICX, IICI, IISI, IIVX, IIFX, MacTV, 575, 660AV, 840AV, Q700, Q900, Q950, 6100 - 6500, 7100 - 7600, 8500, 8600, 9500, 9600, iMac G4Go to Top of Page

maclover5
LC Doctor/Hot Rodder


Australia
5830 Posts
Posted - 27 Aug 2003 :  19:54:08
I know, but there are some people who, for some reason want to run 7.6.

"**** em" - Jobs in regards to customers
Warrior maclover5
68kMLA

Official 68kMLA Detective
Number of 68ks Liberated: 7
Number of Contraband (PPC) Liberated from the Dumpster: 1Go to Top of Page

   

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