Biostar TB250-BTC+ User Manual

16 | Chapter 2: Hardware Installaon
AUXPWR1/2: Auxiliary Power for Graphics
(for Crypto Mining, 4pin power connector must be installed)
This connector is an auxiliary power connecon for graphics cards. Exclusive power for the
graphics card provides beer graphics performance.
Pin Assignment
1 +12V
2 GND
3 GND
4 +5V
SATA_POWER: SATA Power Source Connector
This SATA power connector enhances the power of rear USB ports.
Pin Assignment Pin Assignment
1 VCC3 9 VCC5
2 VCC3 10 Ground
3 VCC3 11 N/A
4 Ground 12 Ground
5 Ground 13 12V
6 Ground 14 12V
7 VCC5 15 12V
8 VCC5 --- ---
PANEL1: Front Panel Header
This 16-pin header includes Power-on, Reset, HDD LED, Power LED, and speaker connecon.
Pin Assignment Funcon Pin Assignment Funcon
1 +5V
Speaker
Connector
9 N/A
N/A
2 N/A 10 N/A
3 N/A 11 N/A N/A
4 Speaker 12 Power LED (+)
Power
LED
5 HDD LED (+)
Hard drive
LED
13 Power LED (+)
6 HDD LED (-) 14 Power LED (-)
7 Ground
Reset
buon
15 Power buon
Power-on
buon
8 Reset control 16 Ground

Biostar TB250-BTC+ Specifications

General

Chipset	Intel B250
CPU Socket	LGA 1151
Form Factor	ATX
Memory Type	DDR4
Maximum Memory	32GB
Memory Slots	2
SATA 6Gb/s Ports	6
USB 2.0 Ports	6
Network	Realtek RTL8111H - 10/100/1000 Mb/s
RAID Support	RAID 0, 1, 5, 10
PCIe Slots	1 x PCIe 3.0 x16, 5 x PCIe 3.0 x1
Audio	Realtek ALC887 8-Channel HD
M.2 Slots	1
USB 3.0 Ports	6 (4 rear, 2 via header)