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Chapter 3: Motherboard Connections
32-Pin Connector A (JF1 + JGP1 + J6)
The A2SAP-H combines JF1, JGP1 and J6 into a 32-pin, 2.0mm pitch pin header, including the
front panel (power/HDD LED, power/reset button), 8-bit GPIO, and two USB 2.0 connections.
The distance between the board-to-board stack is 11mm in height while using the male pin
header (PINREX P/N:225-97-16GBEW) to stack onto the female mating connector (PINREX
P/N: 620-92-16GB00).
32-Pin Connector A
Connector Supermicro P/N Vendor Manufacture P/N Description
Male Pin Header
on A2SAP-H
HDR-0208L-0000-
PRX
PINREX 225-97-16GBEW
CNT, PIN/HEADER, 2X16 PIN, PITCH 2MM,
VERT, 1A/PIN, BLACK, GF, NY6T, SMD, CM
(-30 ~ 75C), ROHS
Female Mating
Connector
HDR-0210L-0000-
PRX
PINREX 620-92-16GB00
CNT, PIN FEMALE HEADER, 2X16 PIN,
PITCH 2MM, VERT,1A/PIN, BLACK, GF,
TL2.3MM, NY6T, DIP, EX (-40 ~ 105C), ROHS
32-Pin Connector A
Pin Denitions
Function Pin# Silkscreen Pin # Denition Pin# Silkscreen Pin # Denition
Two USB 2.0
(J6: USB0/1)
1 1 P5V_DUAL_F 2 2 P5V_DUAL_F
3 3 USBCON_N0 4 4 USBCON_N1
5 5 USBCON_P0 6 6 USBCON_P1
7 7 GND 8 8 GND
9 9 N/A 10 10 N/A
N/A 11 N/A N/A 12 N/A N/A
8-bit GPIO
(JGP1)
13 1 P3V3SB 14 2 GND
15 3 GPIO_1 16 4 GPIO_5
17 5 GPIO_2 18 6 GPIO_6
19 7 GPIO_3 20 8 GPIO_7
21 9 GPIO_4 22 10 GPIO_8
N/A 23 N/A N/A 24 N/A N/A
Front Panel
(JF1)
25 1 Power Button 26 2 GND
27 3 Reset Button 28 4 GND
29 5 3.3V 30 6 SATA HDD LED
31 7 3.3Vstby 32 8 PWR LED
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