[Not Mine] Indigo2 Impact R4400 on dutch marktplaats.nl

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dexter1
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[Not Mine] Indigo2 Impact R4400 on dutch marktplaats.nl

Unread postby dexter1 » Sun Oct 01, 2017 5:22 am

Location Nijmegen:

https://www.marktplaats.nl/a/computers- ... e=lr&pos=6

A 250MHz R4400 is not bad. And with an SI, which means it should have the latest Rev12 PROM.
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Re: [Not Mine] Indigo2 Impact R4400 on dutch marktplaats.nl

Unread postby Irinikus » Sun Oct 01, 2017 5:57 am

That's Pretty cool!
:Onyx2:Quad R14K 500MHz, IR3, DG5-8 :Tezro:Quad R16K 700MHz, 8MB, V12, DCD, DM3 :Octane2:Dual R14K 600MHz, PCI Card Cage, V12 :320:Dual 1GHz PIII
:O2:R12K 400MHz, DCD :Indigo:R4400SC 150MHz, ELAN :Indigo2:R4400SC 200MHz, Extreme :Indy:R4400SC 200MHz, XZ :Indy:R5000SC 150MHz, 24Bit XL.
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Re: [Not Mine] Indigo2 Impact R4400 on dutch marktplaats.nl

Unread postby jan-jaap » Mon Oct 09, 2017 4:46 am

Mine :)

Not that I needed another SGI, but for 50 bucks and a 10 minute drive I couldn't let it slip.
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To accentuate the special identity of the IRIS 4D/70, Silicon Graphics' designers selected a new color palette. The machine's coating blends dark grey, raspberry and beige colors into a pleasing harmony. (IRIS 4D/70 Superworkstation Technical Report)

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Re: [Not Mine] Indigo2 Impact R4400 on dutch marktplaats.nl

Unread postby dexter1 » Wed Oct 11, 2017 1:34 pm

Congratz Jan-Jaap,
It has decent skins and feet. but also a horrible Barracuda.
I'm sure you have enough surplus disks so that you can replace it with a silent SCA drive with adapter.

The R4400@250MHz does not seem to have a CPU fan, so i'm wondering if its quieter than a R10K
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Re: [Not Mine] Indigo2 Impact R4400 on dutch marktplaats.nl

Unread postby jan-jaap » Wed Oct 11, 2017 2:34 pm

Yeah those barracudas are dreadful.

The biggest problem right now seems to be that it has an empty Dallas so it's confused when powered up. Often the graphics are in a weird mode. I think I'll make a CR2032 mod, I should have an X-ray image of that type of Dallas.
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To accentuate the special identity of the IRIS 4D/70, Silicon Graphics' designers selected a new color palette. The machine's coating blends dark grey, raspberry and beige colors into a pleasing harmony. (IRIS 4D/70 Superworkstation Technical Report)

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Re: [Not Mine] Indigo2 Impact R4400 on dutch marktplaats.nl

Unread postby gijoe77 » Fri Oct 13, 2017 12:33 am

jan-jaap wrote:think I'll make a CR2032 mod, I should have an X-ray image of that type of Dallas.


hey now what's this? Would you mind posting some pics of this if you actually do it? Would be interesting to know what this mod is all about

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Re: [Not Mine] Indigo2 Impact R4400 on dutch marktplaats.nl

Unread postby jan-jaap » Fri Oct 13, 2017 1:27 am

gijoe77 wrote:hey now what's this? Would you mind posting some pics of this if you actually do it? Would be interesting to know what this mod is all about

A couple of years ago someone put a bunch of Dallas chips lifted from various SGI systems in an xray machine for me. The result looks like this (I don't know right now which one we're looking at here):
xray.jpg

See, if you simply start grinding away at a Dallas, it'll look like this once you're finished (sorry Pentium):
what_a_mess.jpg

But if you know where the battery leads are, the procedure takes less time and the finished result looks better:
clean_mod.JPG


This Indigo2 is continuously complaining about kernel dates in the future, so it's Dallas battery is dead. It also seems to cycle through some weird screen modes during boot so either the Solid Impact card is shot or the configuration is scrambled. I'm not sure what's happening here; when starting X it momentarily switches to 72Hz and then when it goes back to 60Hz the brightness is way up and colors on screen look all washed out. It takes a 'setmon 1280x1024_60' from inside a desktop session to restore a normal picture on screen even though it's running at 1280x1024@60 already.

FWIW: the Indigo2 has a small EEPROM on the riser card on the back of the chassis where the keyboard, mouse and serial ports are. At the very least this contains the system MAC address, so the system ID is tied to the chassis, not the main board. And the MAC address remains valid when the Dallas battery dies, unlike in an Indy. I do not know which PROM variables are stored in the EEPROM and which are stored in the Dallas battery backed RAM.
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To accentuate the special identity of the IRIS 4D/70, Silicon Graphics' designers selected a new color palette. The machine's coating blends dark grey, raspberry and beige colors into a pleasing harmony. (IRIS 4D/70 Superworkstation Technical Report)

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Re: [Not Mine] Indigo2 Impact R4400 on dutch marktplaats.nl

Unread postby Irinikus » Fri Oct 13, 2017 1:44 am

That's a really neat job!

I really wonder why they never produced Dallas chips with replaceable batteries? (pure commercialism I suppose)

Thanks for sharing, as we'll all have to carry out this mod someday.
:Onyx2:Quad R14K 500MHz, IR3, DG5-8 :Tezro:Quad R16K 700MHz, 8MB, V12, DCD, DM3 :Octane2:Dual R14K 600MHz, PCI Card Cage, V12 :320:Dual 1GHz PIII
:O2:R12K 400MHz, DCD :Indigo:R4400SC 150MHz, ELAN :Indigo2:R4400SC 200MHz, Extreme :Indy:R4400SC 200MHz, XZ :Indy:R5000SC 150MHz, 24Bit XL.
SUN: JavaStation-10 (Krups), XVR-4000.
DEC: AlphaStation 255/300MHz.
Cray: Cray1: Memory Module, Cray2: Memory Module (complete stack of eight boards) and a power supply module, Cray3: ECL Module.
Apple: G3 Clamshell, G4 Sawtooth, G4 Quicksilver, G4 Mirror Doors, G5, Mac Pro 2013 (Trash can), 27 inch Cinema Display.
IBM: 486 DX-4 100MHz, 32Mb RAM, Creative Soundblaster 16-Bit, 1.44 Mb Disk drive, Creative 4X CD-ROM, 520Mb HDD.
Alienware: Aurora 7500.
Gaming Rig: Coolermaster Cosmos II, Coolermaster Ultimate 1100W Power supply, Asus Rampage III extreme, I7 980X, Corsair H100, 24Gb Corsair Dominator DDR3, EVGA GTX Titan X Super Clocked Edition, OCZ revodrive 3 x2 240gb, Velociraptor 600GB, Corsair 128GB SSD, Creative X-fi Fatality Pro.

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Re: [Not Mine] Indigo2 Impact R4400 on dutch marktplaats.nl

Unread postby jan-jaap » Fri Oct 13, 2017 2:50 am

My biggest beef with the Dallas chips is that by the time the battery runs out they have EOL-ed the part and you cannot replace it. That, plus any replacement is just going to run out also.

If you design for a service life of 7 - 10 years, and don't want leaky batteries, the Dallas modules make sense. But I do not fit that target profile. I want a permanent fix, and CR2032 cells are not going anywhere anytime soon. The CR2032 socket I use is an SMD part so you can glue it to the top of the Dallas. I've also simply glued them to the IO4 PCB (where there wasn't enough tolerance on top of the Dallas) and on one of the ASICs on an Indigo mainboard. You can order them from Farnell.

Modified Indigo R3000 mainboard:
DSC_4328.JPG

Modified Indigo R4400 mainboard:
DSC_7794.JPG
DSC_7794.JPG (102.83 KiB) Viewed 129 times
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To accentuate the special identity of the IRIS 4D/70, Silicon Graphics' designers selected a new color palette. The machine's coating blends dark grey, raspberry and beige colors into a pleasing harmony. (IRIS 4D/70 Superworkstation Technical Report)

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Re: [Not Mine] Indigo2 Impact R4400 on dutch marktplaats.nl

Unread postby Krokodil » Sat Oct 14, 2017 10:00 am

jan-jaap wrote:Yeah those barracudas are dreadful.


"...Ohhhhhh BarrrBarraBarraCuuuuuDAAA!"

Sorry couldn't help myself.
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