===== USB Hub/SD Card Reader ===== Tested Anker USB C Hub with microSD and SD card reader. [[Image(61iubRICsFL._AC_SX569_.jpg)]] Verified it does work except HDMI feature. Our USB-C does not include HDMI capabilities. Insert microSD card {{{ [ 917.373829] audit: type=1327 audit(1698953401.595:24): proctitle=2F7573722F7362696E2F63726F6E64002D6E [ 1018.850425] sd 0:0:0:1: [sdb] 62357504 512-byte logical blocks: (31.9 GB/29.7 GiB) [ 1018.855021] sdb: detected capacity change from 0 to 62357504 [ 1018.860700] sdb: sdb1 card825gen2:~$ ls /run/media data-mmcblk0p3 rootfs1-mmcblk0p1 rootfs2-mmcblk0p2 sdb1 card825gen2:~$ ls /run/media/sdb1 'System Volume Information' fd_dlc_dbg card825gen2:~$ }}} Insert 128G Flash drive {{{ [ 1225.476027] scsi 1:0:0:0: Direct-Access USB SanDisk 3.2Gen1 1.00 PQ: 0 ANSI: 6 [ 1225.477504] sd 1:0:0:0: [sdc] 240353280 512-byte logical blocks: (123 GB/115 GiB) [ 1225.478241] sd 1:0:0:0: [sdc] Write Protect is off [ 1225.478259] sd 1:0:0:0: [sdc] Mode Sense: 43 00 00 00 [ 1225.478730] sd 1:0:0:0: [sdc] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA [ 1225.488847] sdc: sdc1 [ 1225.491253] sd 1:0:0:0: [sdc] Attached SCSI removable disk card825gen2:~$ ls /run/media Data128-sdc1 data-mmcblk0p3 rootfs1-mmcblk0p1 rootfs2-mmcblk0p2 sdb1 card825gen2:~$ ls /run/media/Data128-sdc1/ '2022-05-01 08-55-02.mp4' 'February 2023.pub' 'Statement for Oct 27, 2022.pdf' '2022-05-29 09-00-00.mp4' 'January 2023.pub' 'System Volume Information' '2022-06-05 08-57-45.mp4' 'June 2023.pub' arm-gnu-toolchain-11.3.tar.gz '2022-07-03 09-00-15.mp4' 'May 2022.pub' confirmation2022 '2022-11-06 08-56-13.mp4' SS_ChristmasProgram2022 diag 'April 2023.pub' 'Statement for Nov 10, 2022.pdf' drive-download-20221106T131736Z-001 'December 2022.pub' 'Statement for Oct 13, 2022.pdf' nand.tar.gz card825gen2:~$ }}} Insert 256G Flash drive {{{ [ 1344.963988] scsi 2:0:0:0: Direct-Access USB SanDisk 3.2Gen1 1.00 PQ: 0 ANSI: 6 [ 1344.964892] sd 2:0:0:0: [sdd] 488570880 512-byte logical blocks: (250 GB/233 GiB) [ 1344.966340] sd 2:0:0:0: [sdd] Write Protect is off [ 1344.966358] sd 2:0:0:0: [sdd] Mode Sense: 43 00 00 00 [ 1344.967433] sd 2:0:0:0: [sdd] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA [ 1344.974941] sdd: sdd1 [ 1344.977258] sd 2:0:0:0: [sdd] Attached SCSI removable disk [ 1345.750567] ntfs: driver 2.1.32 [Flags: R/O MODULE]. [ 1345.793647] ntfs: volume version 3.1. card825gen2:~$ ls /run/media Data128-sdc1 Data256G-sdd1 data-mmcblk0p3 rootfs1-mmcblk0p1 rootfs2-mmcblk0p2 sdb1 card825gen2:~$ ls /run/media/Data256G-sdd1/ 'System Volume Information' en-us_windows_10_business_editions_version_22h2_x64_dvd_8cf17b79.iso card825gen2:~$ }}} Insert 32G SD Card {{{ [ 1404.942570] sd 0:0:0:0: [sda] 62333952 512-byte logical blocks: (31.9 GB/29.7 GiB) [ 1404.945548] sda: detected capacity change from 0 to 62333952 [ 1404.948529] sda: sda1 card825gen2:~$ ls /run/media Data128-sdc1 Data256G-sdd1 data-mmcblk0p3 rootfs1-mmcblk0p1 rootfs2-mmcblk0p2 sda1 sdb1 card825gen2:~$ ls /run/media/sda1 DCIM FSCK0000.004 FSCK0000.009 FSCK0001.REC FSCK0006.REC FSCK0011.REC 'System Volume Information' FSCK0000.000 FSCK0000.005 FSCK0000.010 FSCK0002.REC FSCK0007.REC FSCK0012.REC _disk_id.pod FSCK0000.001 FSCK0000.006 FSCK0000.011 FSCK0003.REC FSCK0008.REC FSCK0013.REC FSCK0000.002 FSCK0000.007 FSCK0000.012 FSCK0004.REC FSCK0009.REC MISC FSCK0000.003 FSCK0000.008 FSCK0000.REC FSCK0005.REC FSCK0010.REC SDFS_CFG.BIN card825gen2:~$ }}} Another flash drive {{{ [ 1500.130967] scsi 3:0:0:0: Direct-Access SanDisk U3 Cruzer Micro 8.02 PQ: 0 ANSI: 0 CCS [ 1500.132833] sd 3:0:0:0: [sde] 15753215 512-byte logical blocks: (8.07 GB/7.51 GiB) [ 1500.133063] sd 3:0:0:0: [sde] Write Protect is off [ 1500.133078] sd 3:0:0:0: [sde] Mode Sense: 45 00 00 08 [ 1500.133236] sd 3:0:0:0: [sde] No Caching mode page found [ 1500.133249] sd 3:0:0:0: [sde] Assuming drive cache: write through [ 1500.136487] sde: sde1 [ 1500.137989] sd 3:0:0:0: [sde] Attached SCSI removable disk card825gen2:~$ ls /run/media DATA8G-sde1 Data128-sdc1 Data256G-sdd1 data-mmcblk0p3 rootfs1-mmcblk0p1 rootfs2-mmcblk0p2 sda1 sdb1 card825gen2:~$ ls /run/media/DATA8G-sde1/ 825wiki_old.tar.gz 'March 2023x.pub' lcd2004.py liquidcrystal_i2c.py svn_825.tar.gz 'August 2023.pub' 'September 2023.pub' lcd2004x.py pythonsmbus.py trac_usr_bin.tar.gz 'July 2023.pub' 'System Volume Information' lcd_i2c.py so651332 'March 2023.pub' etc_old.tar.gz lib825ev.tar.gz so651332.sgn card825gen2:~$ }}} A microSD card, SD card, USB-C flash drive and two traditional USB flash drives all connected simultaneously: {{{ card825gen2:~$ ls /run/media DATA8G-sde1 Data128-sdc1 Data256G-sdd1 data-mmcblk0p3 rootfs1-mmcblk0p1 rootfs2-mmcblk0p2 sda1 sdb1 card825gen2:~$ df -h Filesystem Size Used Avail Use% Mounted on /dev/root 7.1G 4.2G 2.5G 64% / devtmpfs 1.5G 4.0K 1.5G 1% /dev tmpfs 2.0G 4.0M 2.0G 1% /dev/shm tmpfs 782M 11M 772M 2% /run tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup tmpfs 2.0G 48K 2.0G 1% /tmp tmpfs 2.0G 248K 2.0G 1% /var/volatile /dev/mmcblk0p1 7.1G 3.1G 3.6G 47% /run/media/rootfs1-mmcblk0p1 /dev/mmcblk0p2 7.1G 24K 6.7G 1% /run/media/rootfs2-mmcblk0p2 /dev/mmcblk0p3 182M 14K 168M 1% /run/media/data-mmcblk0p3 tmpfs 391M 12K 391M 1% /run/user/1001 tmpfs 391M 0 391M 0% /run/user/0 /dev/sdb1 30G 1.2M 30G 1% /run/media/sdb1 /dev/sdc1 115G 11G 104G 10% /run/media/Data128-sdc1 /dev/sdd1 233G 5.7G 228G 3% /run/media/Data256G-sdd1 /dev/sda1 30G 24G 6.1G 80% /run/media/sda1 /dev/sde1 7.5G 967M 6.6G 13% /run/media/DATA8G-sde1 }}}