[CentOS] installing centos 7 32 bit i386 to laptop

greetings one and all.

installing centos 7 32 bit i386 to laptop;

specs:

toshiba satellite l455d-s5976 amd sempron si-42 2 GB ddr2 250 GB hdd

]$ lspci|grep Realtek 0e:00.0 Network controller: Realtek Semiconductor Co., Ltd. \ RTL8187SE Wireless LAN Controller (rev 22) 14:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. \ RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller (rev 02)

]$ lspci|grep VGA 01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] \ RS780MC [Mobility Radeon HD 3100]

centos 6: network and vga controllers ok. ethernet controller not recognized.

3 questions:

anyone have problems installing 7 32 bit to a laptop?

any suggestions for getting ethernet controller to work?

any way to turn off touch pad? using logitech m570 marble.

any/all suggestions/comments greatly appreciated.

tia.