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handheldgames

macrumors 68000
Apr 4, 2009
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Yep, but why your board has tinned IOH ITP pads? I never saw these pads tinned before.

Good catch. These two don’t appear to be tinned.

9543AF0E-0C1A-4DAF-B872-75A44CC582CF.jpeg
 

handheldgames

macrumors 68000
Apr 4, 2009
1,943
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Pacific NW, USA
Weird thing, you don't tin pads if you not going to install anything on them, maybe was installed and removed?

Well it’s good to know it’s a rare cpu tray. The serial number looks to be in the same format as my original 2009, an almost identical configuration except it came with 3x1gb ram vs 3x2gb.
 

PowerMac G4 MDD

macrumors 68000
Jul 13, 2014
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Yeah, I wonder if NVMe inject will work on this one. I have it, but I'm not gonna flash until I hear from others that it's working.

It would be nice if it does. Granted, there's already a way to get NVMe SSDs to boot within a classic Mac Pro—but, of course, it's unorthodox.
 

tsialex

Contributor
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Jun 13, 2016
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That’s some awfully slow write speed. I guess RAID 0 would just be good if you need faster read.
10.6 don't have TRIM and it's a mirror/RAID1, the interesting thing is more than 1500 read speed.

Edit: Incorrect info, Apple enabled TRIM for Apple SSDs with 10.6.8 update.
 
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fhturner

macrumors 6502a
Nov 7, 2007
631
413
Birmingham, AL & Atlanta, GA
That’s some awfully slow write speed. I guess RAID 0 would just be good if you need faster read.

10.6 don't have TRIM and it's a mirror/RAID1, the interesting thing is more than 1500 read speed.


Yeah, I definitely have a problem going on there w/ the write speed. But as Alexandre points out, the cool part is the Read speed approaching 2x the single SSD (1400-1500MB/s). As he also points out, this is actually a RAID1 mirror (which is probably what you meant)...so while the write speed, when not fouled up like this, will be approx 1x of a single SSD, since the same thing is written in tandem to both SSDs; but the read speed can function like a RAID0 and get nearly 2x that of a single SSD.

So, while we're at it, any suggestions on what to do regarding that write perf? I know I know...OT. :)
 

LightBulbFun

macrumors 68030
Nov 17, 2013
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London UK
10.6 don't have TRIM and it's a mirror/RAID1, the interesting thing is more than 1500 read speed.

Snow leopard (10.6.8) does have TRIM however on non Apple SSDs you generally have to use a 3rd party application to enable it/patch the kext responsible for it.

once TRIM is enabled its a good idea to run fsck -fy in Single user mode to force OS X to trim unused blocks. this can help recover disk speed on an SSD thats been run without trim for a long time (note this dosent work if the disk is APFS formatted)
 

fhturner

macrumors 6502a
Nov 7, 2007
631
413
Birmingham, AL & Atlanta, GA
Snow leopard (10.6.8) does have TRIM however on non Apple SSDs you generally have to use a 3rd party application to enable it/patch the kext responsible for it.

once TRIM is enabled its a good idea to run fsck -fy in Single user mode to force OS X to trim unused blocks. this can help recover disk speed on an SSD thats been run without trim for a long time (note this dosent work if the disk is APFS formatted)

These are SSUBX blades, so Samsung/Apple. Just re-checked, and they do in fact show TRIM Support status of "Yes" in System Profiler. Is there anything I can try remotely, since I don't have hands on the machine (to go into Single User mode) right now?
 

tsialex

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Original poster
Jun 13, 2016
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Snow leopard (10.6.8) does have TRIM however on non Apple SSDs you generally have to use a 3rd party application to enable it/patch the kext responsible for it.

Yep, I was wrong about TRIM. Apple quietly enabled TRIM for Apple SSDs with 10.6.8 update.
 

LightBulbFun

macrumors 68030
Nov 17, 2013
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London UK
Anyone has Mac Pros 1,1, 2,1 or 6,1?

I'd like BootROM dumps from them, I only have one for 6,1, none for 1,1 and 2,1.


heres a couple Stock BootROM dumps of my Xserve1,1 and MP2,1 (its a flashed 1,1), from my Microcode shenanigans
 

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tsialex

Contributor
Original poster
Jun 13, 2016
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heres a couple Stock BootROM dumps of my Xserve1,1 and MP2,1 (its a flashed 1,1), from my Microcode shenanigans

Added to the stash. It's half the size of 4,1/5,1 ones, but seems the same basic structure. Thx!
 

h9826790

macrumors P6
Apr 3, 2014
16,656
8,587
Hong Kong
These are SSUBX blades, so Samsung/Apple. Just re-checked, and they do in fact show TRIM Support status of "Yes" in System Profiler. Is there anything I can try remotely, since I don't have hands on the machine (to go into Single User mode) right now?

If that's a test drive, you may un-RAID them now, and just to check if the writing performance still the same. If yes, then may be TRIM is activated on 10.6.8, but not be used in RAID.
 

LightBulbFun

macrumors 68030
Nov 17, 2013
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London UK
Added to the stash. It's half the size of 4,1/5,1 ones, but seems the same basic structure. Thx!

yeah pre MCP79 Macs have 2MB BootROMs (with the MP/XS using an EEPROM thats similar to the one used in NWR PowerPC Macs while everything else AFAIK uses a regular 8 pin SPI device)

(new world ROM PowerPC macs have 1MB parallel BootROMs)

it would be interesting to see where the CSM part of a BootROM is stored at and then have a look at the same place on the Xserve BR, as the Xserve (or at least on the surfice) dosent have a CSM and cant boot/Load Non EFI OSs/OptionROMs
 
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handheldgames

macrumors 68000
Apr 4, 2009
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Pacific NW, USA
@h9826790

Your post about better RAID performance with dual low cost PCIe cards with 138.0.0.0.0 is correct. @fhturner tested it now after I did his BootROMs. AJA with Dual SSBUX 512 RAID1:
View attachment 778089 View attachment 778091 View attachment 778090

Dual and Quad cards from QNAP leveraging the ASMedia Chipset in PCIe 2.0 and PCIe 3.0 configurations are compatible with Windows & Linux. With that in mind, they should be compatible with Mac OS.

From what I remember, the QNAP low cost PCIe SSD adapters are offered adapters with two M.2 slots. running at x4 that would have a max transfer rate of 1500 MB/Sec selling for $110ish. As well as adapters with 4 M.2 slots running at x8 that should max out at 3000 MB/sec - starting at $200 for a PCIe 2.x and up to $269 for PCIe 3.0.

- OR -

Did Apple add bitruification support without having to use a PLX? Now that would be a game changer.
 
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cococheaf

macrumors regular
Jul 10, 2018
102
54
Austria - Lake of Constance
I don't think that will cause a problem, SMC controller ROM is located in the micro-controller and independent from the BootROM.
[doublepost=1535320691][/doublepost]
Chipmunk has a Molex version, but I don't think they tested with MP5,1 ones. The Korean one don't have a molex one.

I already know the pinout of the SPI-Flash signals on the FRANK connector, that was easy, but I want the whole thing with full LPC access.
[doublepost=1535320998][/doublepost]
I never checked this in detail, but If I remember correctly, it's not the RAM that takes a long time to scan, but the PCIe and drives.
[doublepost=1535321516][/doublepost]

NVRAM stores more things in the private part of it. Your full name, your Wi-Fi credentials, the previous UUID from your Mac, etc.

Thank you for clarifiying that out.
 

bookemdano

macrumors 68000
Jul 29, 2011
1,514
846
No new Bootrom update for me with this Beta :( (Still on 138.0.0.0.0)
How did you install it though? Via the built-in update mechanism or did you download the full installer? At least in the past, fw updates are only available in the full installer.
 
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Aiwi

macrumors member
Oct 21, 2010
94
89
How did you install it though? Via the built-in update mechanism or did you download the full installer? At least in the past, fw updates are only available in the full installer.

I realised I started the install of the Public Beta, not the DP. It was the full installer though. DP9 may still have a Bootrom update. I don't know
 
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