A method for data transmission within a server that includes a processor, a main memory, a southbridge, a chipset, and a buffer, the chipset including a baseboard management controller (BMC), the method including: obtaining memory information about a segment of the peripheral memory allocated for a peripheral controller included in the chipset; transmitting a notifying command to the BMC indicating a data size of to-be-transmitted data associated with a booting operation of the server; transmitting at least a part of the to-be-transmitted data to the segment, according to the memory information; and transmitting a standby command to the BMC indicating that the part of the to-be-transmitted data has been stored in the segment.