2008 Unibody Macbook with 2560 x 1440 external display ?

Hello to all,
This is my first post here but I have used many times the forum to find out usefull information. I am considering buying an external display for my Macbook, but I am hesitating for two reasons:
I read on some page that there could be performance issues with using a high resolution on this rather "old" machine:
http://superuser.com/questions/265125/27-apple-cinema-display-slows-my-macbook
I have upgraded my MB to 8 GB memory (and a 750 GB HDD but I doubt that makes a difference).
My MB model is this one:
http://www.everymac.com/systems/apple/macbook/specs/macbook-core-2-duo-2.0-alumi num-13-late-2008-unibody-specs.html
I mostly use it for Web browsing / Office software / iPhoto / movie watching
So first question is: Can anybody confirm whether it will be OK to run my MB with a display of this resolution (similar to Apple Cinema Display), either with the laptop closed or opened?
Second "bonus" question: According to what I read here and there, it seems that I would need to use a miniDisplayPort to DisplayPort cable or a mDP to DVI-dual-link to ensure full resolution. I own a miniDP to HDMI cable (and HDMI to DVI converter), any chance that I can use it with full resolution ? I didn't find much user feedback on this point yet.
Many thanks for your answers !
Matthieu

Well, I went ahead and bought the display I wanted, so, yes, I can display 2560x1440, with this MB. It is a bit slow on some applicaitons but it may be due to the dual display, I bet if I use it in clamshell mode it should be OK for most applications.

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Hey Guys,
I have a 2008 unibody MacBook running OSX 10.8.3 that has a bit of a strange issue with the wireless.
I have recently acquired a Meraki MR12 Wireless Access Point and 3 year cloud controller license. This has replaced my Airport Extreme as my main access point purely for the stats and information that you can get from the cloud controller.
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192.168.1.2 - Airport Extreme (Time Machine only)
8.8.8.8 - Google DNS
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This is a summary as to how I have my SSIDs setup
[IMG]http://i.imgur.com/6OUQ4Gr.png[/IMG]
I have setup a secondary SSID for testing as it is not affecting my flatmates laptop and have managed to find the optimal settings are no encryption with Meraki RADIUS authentication. Obviously this is not ideal so to add a little level of security I have hidden the test SSID.
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SMC & PRAM reset
New Network profile
reset network settings to factory defaults
I have made a quick youtube video to demonstrate the issue, I hope I have blanked out any details that anyone could use to take advantage of my network.
[url]http://www.youtube.com/watch?v=S-RVRV5nvfg[/url]
The WAP is plugged into the PoE port on my ASA 5505 Firewall/Gateway I have no Vlan trunking setup yet and the ASA provides DHCP.
This is the interface configuration for the ASA I have omitd alot of the conf file as it is either irrelivent or provides to much information.
The AP is plugged into eth 0/7 and the Airport in 0/1 No other client is affected but they are all non osx (iPhone, Win 7, Ubuntu, openWRT.)
[code]
interface Ethernet0/0
description physical connection to O2 Box IV
switchport access vlan 2
interface Ethernet0/1
switchport trunk allowed vlan 1
switchport trunk native vlan 1
switchport mode trunk
interface Ethernet0/2
switchport trunk allowed vlan 1
switchport trunk native vlan 1
switchport mode trunk
shutdown
interface Ethernet0/3
shutdown
interface Ethernet0/4
switchport trunk allowed vlan 1-3
shutdown
interface Ethernet0/5
shutdown
interface Ethernet0/6
shutdown
interface Ethernet0/7
switchport trunk allowed vlan 1,3
switchport trunk native vlan 1
switchport mode trunk
interface Vlan1
description to inside VLAN
nameif inside
security-level 100
ip address 192.168.1.1 255.255.255.0
interface Vlan2
description to outside interface (DHCP O2 Modem)
nameif outside
security-level 0
ip address xxx.xxx.xxx.xxx 255.255.254.0
[/code]

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I have gone through most of the troubleshooting steps they have outlined in there and none of it has worked.
First was to try and telnet to Google.com to see if it is just chrome or the whole OS that is not working.
This failed as expected
[code]
localhost:~ mattwarrillow$ telnet google.com 80
Trying 173.194.41.142...
telnet: connect to address 173.194.41.142: Operation timed out
Trying 173.194.41.133...
telnet: connect to address 173.194.41.133: Operation timed out
Trying 173.194.41.131...
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[/code]
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[code]
localhost:~ mattwarrillow$ ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8): 56 data bytes
64 bytes from 8.8.8.8: icmp_seq=0 ttl=49 time=37.826 ms
64 bytes from 8.8.8.8: icmp_seq=1 ttl=49 time=38.933 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=49 time=38.094 ms
^C
--- 8.8.8.8 ping statistics ---
3 packets transmitted, 3 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 37.826/38.284/38.933/0.472 ms[/code]
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[code]
localhost:~ mattwarrillow$ netstat -rn
Routing tables
Internet:
Destination        Gateway            Flags        Refs      Use   Netif Expire
default            192.168.1.1        UGSc           17      169     en1
127                127.0.0.1          UCS             0        0     lo0
127.0.0.1          127.0.0.1          UH              5    36127     lo0
169.254            link#5             UCS             0        0     en1
192.168.1          link#5             UCS             4        0     en1
192.168.1.1        0:23:4:c8:2e:11    UHLWIir        18       24     en1   1107
192.168.1.4        0:1:d2:7:30:65     UHLWIi          0        0     en1   1129
192.168.1.10       127.0.0.1          UHS             1        0     lo0
192.168.1.254      0:c:30:42:15:c0    UHLWIi          0       16     en1   1185
192.168.1.255      ff:ff:ff:ff:ff:ff UHLWbI          0        3     en1
Internet6:
Destination                             Gateway                         Flags         Netif Expire
::1                                     link#1                          UHL             lo0
fe80::%lo0/64                           fe80::1%lo0                     UcI             lo0
fe80::1%lo0                             link#1                          UHLI            lo0
fe80::%en0/64                           link#4                          UCI             en0
fe80::%en1/64                           link#5                          UCI             en1
fe80::225:ff:fe46:5fc1%en1              0:25:0:46:5f:c1                 UHLI            lo0
fe80::bac7:5dff:fec7:9a65%en1           b8:c7:5d:c7:9a:65               UHLWIi          en1
ff01::%lo0/32                           fe80::1%lo0                     UmCI            lo0
ff01::%en0/32                           link#4                          UmCI            en0
ff01::%en1/32                           link#5                          UmCI            en1
ff02::%lo0/32                           fe80::1%lo0                     UmCI            lo0
ff02::%en0/32                           link#4                          UmCI            en0
ff02::%en1/32                           link#5                          UmCI            en1
ff02::fb%en1                            link#5                          UHmW3I          en1   1416
localhost:~ mattwarrillow$
[/code]
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[code]
localhost:~ mattwarrillow$ dig google.com
; <<>> DiG 9.8.3-P1 <<>> google.com
;; global options: +cmd
;; connection timed out; no servers could be reached
localhost:~ mattwarrillow$
localhost:~ mattwarrillow$ ping currys.co.uk
PING currys.co.uk (77.75.51.29): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
^C
--- currys.co.uk ping statistics ---
3 packets transmitted, 0 packets received, 100.0% packet loss
[/code] (Note Currys website doesnt ping even if you are connected and working fine.)
I even tried restarting mDNS and clearing the DNS Cache but that made no difference
[code]
localhost:~ mattwarrillow$ sudo dscacheutil -flushcache
Password:
localhost:~ mattwarrillow$ sudo killall mDNSResponder[/code]
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Model Name: MacBook Pro
Model Identifier: MacBookPro9,2
Processor Name: Intel Core i7
Processor Speed: 2.9 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache (per Core): 256 KB
L3 Cache: 4 MB
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The only thing that I can suggest is trying a different adapter - such as this one from Monoprice.
I don't know if that's the root of your problem, though. Does the external monitor have DVI? You could get a Thunderbolt to DVI adapter from Monoprice - here - and give that a shot.
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2008 Unibody Macbook with 2560 x 1440 external display ?

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