MSI MAG Z790 TOMAHAWK MAX WIFI User Manual 1 - Page 45
JOC_FS1: Safe Boot Jumper, JTBT_U4_1: USB4 Expansion Card Connector
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JOC_FS1: Safe Boot Jumper This jumper is used for Safe Boot. Once enabled, the system will boot with default settings and lower PCIe (from CPU) mode. Normal (default) Boot with the saved BIOS settings. Enabled Apply the BIOS default settings and lower PCIe (from CPU) mode for Safe Boot JTBT_U4_1: USB4 Expansion Card Connector This connector allows you to connect MSI USB4 PD100W Expansion Card. 2 18 1 17 Pin Signal Name Pin Signal Name 1 TBT_FORCE_PWR 2 TBT_S0IX_ENTRY_REQ 3 TBT_CIO_PLUG_EVENT# 4 TBT_S0IX_ENTRY_ACK 5 SLP_S3#_TBT 6 7 SLP_S5#_TBT 8 9 Ground 10 11 DG_PEWAKE# 12 13 TBT_RTD3_PWR_EN 14 15 TBT_CARD_DET_R# 16 17 GPP_C22 18 TBT_PSON_ OVERRIDE_N No Pin SMBCLK_VSB SMBDATA_VSB Ground PD_IRQ# GPP_E3 45
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Normal
(default)
Boot with the saved
BIOS settings.
Enabled
Apply the BIOS default
settings and lower PCIe
(from CPU) mode for
Safe Boot
JOC_FS1: Safe Boot Jumper
This jumper is used for Safe Boot. Once enabled, the system will boot with default
settings and lower PCIe (from CPU) mode.
JTBT_U4_1: USB4 Expansion Card Connector
This connector allows you to connect MSI USB4 PD100W Expansion Card.
Pin
Signal Name
Pin
Signal Name
1
TBT_FORCE_PWR
2
TBT_S0IX_ENTRY_REQ
3
TBT_CIO_PLUG_EVENT#
4
TBT_S0IX_ENTRY_ACK
5
SLP_S3#_TBT
6
TBT_PSON_
OVERRIDE_N
7
SLP_S5#_TBT
8
No Pin
9
Ground
10
SMBCLK_VSB
11
DG_PEWAKE#
12
SMBDATA_VSB
13
TBT_RTD3_PWR_EN
14
Ground
15
TBT_CARD_DET_R#
16
PD_IRQ#
17
GPP_C22
18
GPP_E3
2
1
17
18