Christoo

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  1. I apologise I made a new thread, bu this post was probably better suited here: Hello all, Firstly, thank you for all your great work. Though my question pertains to Armbian Bionic on the BananaPi R2, I believe the question is further reaching. I have an R2 Board and have installed an IO Crest 8 Port PCIE Serial Card Link: http://www.iocrest.com/en/product_details629_a.html Installs and boots fine. Card has mainline kernel support. Running lspci -v returns: 00:00.0 PCI bridge: MEDIATEK Corp. Device 0801 (rev 01) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0, IRQ 226 Memory at 60300000 (32-bit, non-prefetchable) [size=64K] Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 Memory behind bridge: 60000000-600fffff Capabilities: [40] Power Management version 3 Capabilities: [70] Express Root Port (Slot-), MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [148] Virtual Channel Kernel driver in use: pcieport 00:01.0 PCI bridge: MEDIATEK Corp. Device 0801 (rev 01) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0, IRQ 227 Memory at 60310000 (32-bit, non-prefetchable) [size=64K] Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 I/O behind bridge: 00001000-00001fff Memory behind bridge: 60100000-601fffff Prefetchable memory behind bridge: 60200000-602fffff Capabilities: [40] Power Management version 3 Capabilities: [70] Express Root Port (Slot-), MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [148] Virtual Channel Kernel driver in use: pcieport 01:00.0 Serial controller: Exar Corp. Device 0358 (rev 03) (prog-if 02 [16550]) Flags: bus master, fast devsel, latency 0, IRQ 226 Memory at 60000000 (32-bit, non-prefetchable) [size=16K] Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+ Capabilities: [78] Power Management version 3 Capabilities: [80] Express Endpoint, MSI 01 Capabilities: [100] Virtual Channel Kernel driver in use: exar_serial 02:00.0 IDE interface: ASMedia Technology Inc. ASM1061 SATA IDE Controller (rev 02) (prog-if 85 [PCI native mode-only controller, supports bus mastering]) Subsystem: ASMedia Technology Inc. ASM1061 SATA IDE Controller Flags: bus master, fast devsel, latency 0, IRQ 227 I/O ports at 1010 [size=8] I/O ports at 1020 [size=4] I/O ports at 1018 [size=8] I/O ports at 1024 [size=4] I/O ports at 1000 [size=16] Memory at 60100000 (32-bit, non-prefetchable) [size=512] [virtual] Expansion ROM at 60200000 [disabled] [size=64K] Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit- Capabilities: [78] Power Management version 3 Capabilities: [80] Express Legacy Endpoint, MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: ahci But when I run: ls /dev/ttyS* I only get: /dev/ttyS0 /dev/ttyS1 /dev/ttyS2 /dev/ttyS3 Any ideas? When I did some investigation, I found some references to Debian installs having the number of serial ports limited in the kernel, but this is way outside of my knowledge. I would value your feedback.