Owner manual

Chapter 3 Hardware
Express-HRR Reference Manual 25
A13 GBE0_MDI0+ B13 SMB_CK (PU 2.2k 3.3V S5 Standby)
A14 GBE0_CTREF B14 SMB_DAT (PU 2.2k 3.3V S5
Standby)
A15 SUS_S3# B15 SMB_ALERT# (PU 10k 3.3V S5 Standby)
A16 SATA0_TX+ B16 SATA1_TX+
A17 SATA0_TX- B17 SATA1_TX-
A18 SUS_S4# B18 SUS_STAT#
A19 SATA0_RX+ B19 SATA1_RX+
A20 SATA0_RX- B20 SATA1_RX-
A21 GND B21 GND
A22 SATA2_TX+ B22 SATA3_TX+
A23 SATA2_TX- B23 SATA3_TX-
A24 SUS_S5# (PU 10k 3.3V S5 Standby) B24 PWR_OK
A25 SATA2_RX+ B25 SATA3_RX+
A26 SATA2_RX- B26 SATA3_RX-
A27 BATLOW# (PU 8.2k 3.3V S5 Standby) B27 WDT
A28 ATA_ACT# (PU 10k 3.3V) B28 AC_SDIN2 (Int. PD 20k in PCH)
A29 AC/HDA_SYNC (Int. PD 20k in PCH) B29 AC_SDIN1 (Int. PD 20k in PCH)
A30 AC/HDA_RST# (Int. PD 20k in PCH) B30 AC_SDIN0 (Int. PD 20k in PCH)
A31 GND B31 GND
A32 AC/HDA_BITCLK (Int. PD 20k in PCH) B32 SPKR (Int. PD 20k in PCH)
A33 AC/HDA_SDOUT (Int. PD 20k in PCH) B33 I2C_CK (PU 4.7k 3.3V)
A34 BIOS_DISABLE# (PU 10k 5V S5
Standby)
B34 I2C_DAT (PU 4.7k 3.3V)
A35 THRMTRIP# (PU 330E 3.3V) B35 THRM#
A36 USB6- (Int. PD 20k in PCH) B36 USB7- (Int. PD 20k in PCH)
A37 USB6+ (Int. PD 20k in PCH) B37 USB7+ (Int. PD 20k in PCH)
A38 USB_6_7_OC# (PU 10k 3.3V S5 Standby) B38 USB_4_5_OC# (PU 10k 3.3V S5 Standby)
A39 USB4- (Int. PD 20k in PCH) B39 USB5- (Int. PD 20k in PCH)
A40 USB4+ (Int. PD 20k in PCH) B40 USB5+ (Int. PD 20k in PCH)
A41 GND B41 GND
A42 USB2- (Int. PD 20k in PCH) B42 USB3- (Int. PD 20k in PCH)
A43 USB2+ (Int. PD 20k in PCH) B43 USB3+ (Int. PD 20k in PCH)
A44 USB_2_3_OC# (PU 10k 3.3V S5 Standby) B44 USB_0_1_OC# (PU 10k 3.3V S5 Standby)
A45 USB0- (Int. PD 20k in PCH) B45 USB1- (Int. PD 20k in PCH)
A46 USB0+ (Int. PD 20k in PCH) B46 USB1+ (Int. PD 20k in PCH)
A47 VCC_RTC B47 EXCD1_PERST# (PU 10k 3.3V S5 Standby)
A48 EXCD0_PERST# (PU 10k 3.3V S5
Standby)
B48 EXCD1_CPPE# (PU 10k 3.3V)
A49 EXCD0_CPPE# (PU 10k 3.3V) B49 SYS_RESET# (PU 10k 5V S5 Standby)
A50 LPC_SERIRQ (PU 10k 3.3V) B50 CB_RESET# (PU 10k 3.3V S5 Standby)
Table 3-5. COM Express A-B Connector Signal Descriptions (Continued)