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herd's latest activity
H
herd
replied to the thread
Interest in adapting 744x to 7400?
.
The extra cache seems to have a bigger benefit on the slower bus in the Cube:
21 minutes ago
H
herd
replied to the thread
Interest in adapting 744x to 7400?
.
Someone sent me some 7448 chips to install, and I can report that they also work fine on these boards with the 7400 adapters. The...
Yesterday at 11:08 PM
H
herd
replied to the thread
iMac G3 (Rev A -> C) G4 CPU Upgrade
.
Thanks for sharing your results! I was tinkering a bit with a 7410 in a Pismo and tried it at 1.6v and 500MHz. It was happy with these...
Tuesday at 3:12 AM
H
herd
replied to the thread
Pismo (G4) Firewire weirdness?
.
Does the external drive have its own power, or are you powering it through the Pismo?
Saturday at 3:17 PM
H
herd
replied to the thread
Pismo (G4) Firewire weirdness?
.
What firmware version does your Pismo have?
Apr 19, 2024
H
herd
replied to the thread
Experiments with G4 external/backside cache
.
I added data for the 256KB setting. This plot also shows another way to look at the same data. With zero L2 cache as the baseline...
Mar 30, 2024
H
herd
replied to the thread
Experiments with G4 external/backside cache
.
This shows testing with sorting arrays of integers. The size of the arrays increase: 16KB, 32KB, 320KB, 3.2MB, 32MB, and 64MB. The...
Mar 30, 2024
H
herd
posted the thread
Experiments with G4 external/backside cache
in
G3/G4/G5 Power Mac, iMac & eMac
.
On the G4 CPU, the external memory cache is configured with a register. In the following example a 600MHz 7400 CPU has an actual 2MB of...
Mar 30, 2024
H
herd
replied to the thread
550MHz G4 PowerBook (Pismo vs Titanium)
.
I think some of the reported L3 issues are firmware or power-saving related. Maybe some of the firmware experts could figure out the...
Mar 6, 2024
H
herd
replied to the thread
BeBox lives after 2+ years!
.
That's neat! --thanks for sharing. It's kinda like hooking up the LEDs on a RAID card and watching them all go.
Feb 13, 2024
H
herd
replied to the thread
Quicksilver needs a firmware update for Sonnet Encore ST 1.6Ghz?
.
The manual is available from here: http://www.sonnettech.com/support/downloads/manuals/encore_st_1800_qsg.pdf, among a variety of other...
Feb 13, 2024
H
herd
replied to the thread
Quicksilver needs a firmware update for Sonnet Encore ST 1.6Ghz?
.
Hello, welcome to the forum. Sonnet is still around and supports their products. The search function on this site is pretty good too...
Feb 13, 2024
H
herd
replied to the thread
G4 Cube Internal Speaker Functionality Dilema
.
Thank you joevt, great work! Here is the ROM from my Cube obtained using your build of flashrom:
Feb 11, 2024
H
herd
replied to the thread
Sonnet Encore G4 firmware AFTER card has been installed
.
A "1.2" is probably a 7455 CPU, which would not need the firmware fix. Do you have a picture of the CPU? Does the Cube power up?
Feb 10, 2024
H
herd
replied to the thread
Modern G4 Cube PSU replacement?
.
Did you get your power supply? How did it work out?
Feb 1, 2024
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