i have a Samsung SyncMaster 920 NW 19" wide screen display. when i was using it in windows vista i got 1400x900 @ 75Hz (i installed monitor driver for this)
But here in MAC at the max resolution of 1400x900 @ 60Hz.i am pretty sure that this monitor supports 75Hz @ 1400x900. how can i get that refresh rate. with this 60Hz text are not clear and broken.

please help me to fix this.

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MAC OS x : Yet to figure out version.
CPU:AMD E-350D APU MOBO:GA-E350N RAM: 4GB 1333Mhz GPU: AMD Radeon HD 6310
HDD:Seagate 160GB SATA DVD-RW: Transcend USB Burner USB Mouse & Keyboard
WebCam: Logitech C910

Chipset:
AMD Radeon HD 6310
North Bridge: AMD A45 FCH

i have an update My onboard LAN is working with forcedeth-nockd.kext (http://tinyurl.com/2hlxx7)

Thanks to every one who made this driver

NVIDIA® GeForce™ 6100 and NVIDIA nForce™ 430
Realtek 8201 Gigabit LAN PHY chip

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MAC OS x : Yet to figure out version.
CPU:AMD E-350D APU MOBO:GA-E350N RAM: 4GB 1333Mhz GPU: AMD Radeon HD 6310
HDD:Seagate 160GB SATA DVD-RW: Transcend USB Burner USB Mouse & Keyboard
WebCam: Logitech C910

Chipset:
AMD Radeon HD 6310
North Bridge: AMD A45 FCH