X61 Penryn Tweaks - Heat, WWAN, Airflow questions

X60/X61 series specific matters only.
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xsixt
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X61 Penryn Tweaks - Heat, WWAN, Airflow questions

#1 Post by xsixt » Wed Mar 29, 2017 7:51 pm

I snagged a good T8300 Penryn X61, but I need to finalise a few mods.

The hot palm rest issue has of course reared its ugly head:

WLAN
I've ordered a half-size WLAN adapter for the Intel 6205 I plan to install.

WWAN
I removed the WWAN AUX antenna because this was blocking airflow around the problem area. As much as removing the WWAN altogether seems to be a heat fix, I would like to try replacing the stock card.

1. Has anyone had any luck with using another WWAN card to reduce heat? (Middleton Bios, of course) Any half size cards?
2. Does the removal of the external WWAN antenna affect performance? I would prefer to ditch the excess weight if this antenna doesn't contribute much.

Airflow / weight
I am planning to remove the dial-up modem card/slot, and anything else useless... one user reported that removing the PC card flap helped with temps...
T60p 15" UXGA T7600 | T61p 15.4" WUXGA T9500 |
Former: X61 T8300 [Slow GPU] | W510 FHD QM [Top screen but 16:9 sucks] | T420s [Portable but worst LCD ever] | X201 | X200 | X60T [Slow & hot]

jaspen-meyer
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Re: X61 Penryn Tweaks - Heat, WWAN, Airflow questions

#2 Post by jaspen-meyer » Fri Mar 31, 2017 3:43 am

Cover the right palm rest with 4 layers of paper & a piece of raw hide leather, 2mm thick.
Lower tx-power of wifi card to 1mW.
Add a thermal pad to the south bridge and cut away the black plastic so the pad touches the base.
T420 i7 3612QM; T420 i7 3630QM; T400 Q9100; x60s libreboot, led; x24 xiphmont led

Dekks
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Re: X61 Penryn Tweaks - Heat, WWAN, Airflow questions

#3 Post by Dekks » Fri Mar 31, 2017 6:19 am

Do away with the WWAN.

I put an Atheros AR9462 wifi/BT card in the vacant WWAN slot. That reduced the heat issue, i still notice it now & again but it's far more comfortable.
Home Win10/i5 Arch//Openbox R61//GNOME 3 X201i/X230 Tablet //Spectrwm T61/X61/X61 Debian 9.2/X32/T60p
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shawross
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Re: X61 Penryn Tweaks - Heat, WWAN, Airflow questions

#4 Post by shawross » Fri Mar 31, 2017 7:14 am

+1 for Remove WWAN card.

WIFI hotspot tethering is far faster and more efficient with today's hardware IMHO.
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xsixt
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Re: X61 Penryn Tweaks - Heat, WWAN, Airflow questions

#5 Post by xsixt » Fri Mar 31, 2017 8:10 am

jaspen-meyer wrote:Cover the right palm rest with 4 layers of paper & a piece of raw hide leather, 2mm thick.
Lower tx-power of wifi card to 1mW.
Add a thermal pad to the south bridge and cut away the black plastic so the pad touches the base.
The fan assembly already had a thermal pad (stock), but I had a spare 0.4mm copper shim, so I've ditched the thermal for the shim on the southbridge.

Temps are much better (HW Monitor):
CPU 33 C (Idle)
THM9 45 C
THM1 33 C

I'll get on to the WLAN/WWAN when I can find my drill bits (stripped screws).
T60p 15" UXGA T7600 | T61p 15.4" WUXGA T9500 |
Former: X61 T8300 [Slow GPU] | W510 FHD QM [Top screen but 16:9 sucks] | T420s [Portable but worst LCD ever] | X201 | X200 | X60T [Slow & hot]

jaspen-meyer
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Re: X61 Penryn Tweaks - Heat, WWAN, Airflow questions

#6 Post by jaspen-meyer » Fri Mar 31, 2017 8:19 am

xsixt wrote: The fan assembly already had a thermal pad (stock), but I had a spare 0.4mm copper shim, so I've ditched the thermal for the shim on the southbridge.
The southbridge is nowhere near the fan assembly. Southbridge is on the underside of the machine, opposite the 'M' key (or thereabouts)
T420 i7 3612QM; T420 i7 3630QM; T400 Q9100; x60s libreboot, led; x24 xiphmont led

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