My apologies for the late reply.
I got the following details after I SSH'd to the Mikrotik.
cat /proc/devices
Character devices:
1 mem
4 ttyS
5 /dev/tty
5 /dev/console
5 /dev/ptmx
10 misc
90 mtd
108 ppp
128 ptm
136 pts
253 watchdog
254 gpiochip
Block devices:
259 blkext
31 mtdblock
254 ubiblock
cat /proc/partitions
root@OpenWrt:~# cat /proc/partitions
root@OpenWrt:~#
cat /proc/cpuinfo
system type : Qualcomm Atheros QCA9533 ver 2 rev 0
machine : MikroTik RouterBOARD RB750r2
processor : 0
cpu model : MIPS 24Kc V7.4
BogoMIPS : 432.53
wait instruction : yes
microsecond timers : yes
tlb_entries : 16
extra interrupt vector : yes
hardware watchpoint : yes, count: 4, address/irw mask: [0x0ffc, 0x0ffc, 0x0ffb, 0x0ffb]
isa : mips1 mips2 mips32r1 mips32r2
ASEs implemented : mips16
shadow register sets : 1
kscratch registers : 0
package : 0
core : 0
VCED exceptions : not available
VCEI exceptions : not available
cat /proc/meminfo
MemTotal: 60116 kB
MemFree: 41376 kB
MemAvailable: 34724 kB
Buffers: 0 kB
Cached: 10780 kB
SwapCached: 0 kB
Active: 4616 kB
Inactive: 7292 kB
Active(anon): 1596 kB
Inactive(anon): 60 kB
Active(file): 3020 kB
Inactive(file): 7232 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 1136 kB
Mapped: 1712 kB
Shmem: 528 kB
Slab: 2992 kB
SReclaimable: 1012 kB
SUnreclaim: 1980 kB
KernelStack: 256 kB
PageTables: 200 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 30056 kB
Committed_AS: 3984 kB
VmallocTotal: 1048372 kB
VmallocUsed: 0 kB
VmallocChunk: 0 kB
dmesg
[ 0.000000] Linux version 4.9.111 (buildbot@builds-03.infra.lede-project.org) (gcc version 7.3.0 (OpenWrt GCC 7.3.0 r7101-a63e38b) ) #0 Mon Jul 30 16:25:17 2018
[ 0.000000] bootconsole [early0] enabled
[ 0.000000] CPU0 revision is: 00019374 (MIPS 24Kc)
[ 0.000000] SoC: Qualcomm Atheros QCA9533 ver 2 rev 0
[ 0.000000] Determined physical RAM map:
[ 0.000000] memory: 04000000 @ 00000000 (usable)
[ 0.000000] User-defined physical RAM map:
[ 0.000000] memory: 04000000 @ 00000000 (usable)
[ 0.000000] Initrd not found or empty - disabling initrd
[ 0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
[ 0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
[ 0.000000] Zone ranges:
[ 0.000000] Normal [mem 0x0000000000000000-0x0000000003ffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x0000000003ffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000003ffffff]
[ 0.000000] On node 0 totalpages: 16384
[ 0.000000] free_area_init_node: node 0, pgdat 80475674, node_mem_map 81000020
[ 0.000000] Normal zone: 128 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 16384 pages, LIFO batch:3
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256
[ 0.000000] Kernel command line: console=ttyS0,115200 no-buzzer no-nand parts=1 boot_part_size=16777216 gpio=5760 HZ=325000000 mem=64M kmac=B8:69:F4:F3:5A:EE board=750-hb board=750-hb ver=6.43.5 bver=6.42.8 hw_opt=00084000 boot=1 mlc=11 console=ttyS0,115200 rootfstype=squashfs noinitrd
[ 0.000000] PID hash table entries: 256 (order: -2, 1024 bytes)
[ 0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] Writing ErrCtl register=00000000
[ 0.000000] Readback ErrCtl register=00000000
[ 0.000000] Memory: 57716K/65536K available (3575K kernel code, 156K rwdata, 452K rodata, 2400K init, 217K bss, 7820K reserved, 0K cma-reserved)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] NR_IRQS:51
[ 0.000000] Clocks: CPU:650.000MHz, DDR:400.000MHz, AHB:200.000MHz, Ref:25.000MHz
[ 0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 5880801374 ns
[ 0.000010] sched_clock: 32 bits at 325MHz, resolution 3ns, wraps every 6607641598ns
[ 0.008889] Calibrating delay loop... 432.53 BogoMIPS (lpj=2162688)
[ 0.071955] pid_max: default: 32768 minimum: 301
[ 0.077314] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.084827] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.095902] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.107118] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.115362] NET: Registered protocol family 16
[ 0.125314] MIPS: machine is MikroTik RouterBOARD RB750r2
[ 0.612028] Can't analyze schedule() prologue at 803da504
[ 0.630997] clocksource: Switched to clocksource MIPS
[ 0.637954] NET: Registered protocol family 2
[ 0.643922] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.651906] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.659127] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.666467] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.673146] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.680561] NET: Registered protocol family 1
[ 0.685589] PCI: CLS 0 bytes, default 32
[ 2.571007] random: fast init done
[ 3.237467] Crashlog allocated RAM at address 0x3f00000
[ 3.244591] workingset: timestamp_bits=30 max_order=14 bucket_order=0
[ 3.259257] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 3.265921] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[ 3.375323] io scheduler noop registered
[ 3.379782] io scheduler deadline registered (default)
[ 3.386138] Serial: 8250/16550 driver, 16 ports, IRQ sharing enabled
[ 3.396132] console [ttyS0] disabled
[ 3.420333] serial8250.0: ttyS0 at MMIO 0x18020000 (irq = 11, base_baud = 1562500) is a 16550A
[ 3.430141] console [ttyS0] enabled
[ 3.437692] bootconsole [early0] disabled
[ 3.452967] m25p80 spi0.0: unrecognized JEDEC id bytes: ef, 70, 18
[ 3.460416] libphy: Fixed MDIO Bus: probed
[ 3.594513] libphy: ag71xx_mdio: probed
[ 4.223622] ag71xx ag71xx.0: connected to PHY at ag71xx-mdio.1:04 [uid=004dd042, driver=Generic PHY]
[ 4.233816] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode:MII
[ 4.863549] ag71xx-mdio.1: Found an AR934X built-in switch
[ 4.916926] eth1: Atheros AG71xx at 0xba000000, irq 5, mode:GMII
[ 4.927159] NET: Registered protocol family 10
[ 4.935100] NET: Registered protocol family 17
[ 4.939763] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 4.953205] 8021q: 802.1Q VLAN Support v1.8
[ 4.977619] Freeing unused kernel memory: 2400K
[ 4.982336] This architecture does not have kernel memory protection.
[ 5.004035] init: Console is alive
[ 5.007821] init: - watchdog -
[ 5.034041] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[ 5.043701] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[ 5.052479] init: - preinit -
[ 5.220555] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 7.304576] eth0: link up (100Mbps/Full duplex)
[ 7.310462] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 8.397213] eth0: link down
[ 8.412919] procd: - early -
[ 8.416016] procd: - watchdog -
[ 8.968601] procd: - watchdog -
[ 8.972217] procd: - ubus -
[ 8.983490] random: ubusd: uninitialized urandom read (4 bytes read)
[ 9.026573] random: ubusd: uninitialized urandom read (4 bytes read)
[ 9.033715] random: ubusd: uninitialized urandom read (4 bytes read)
[ 9.041417] procd: - init -
[ 9.226374] kmodloader: loading kernel modules from /etc/modules.d/*
[ 9.237142] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 9.253563] Loading modules backported from Linux version wt-2017-11-01-0-gfe248fc2c180
[ 9.261906] Backport generated by backports.git v4.14-rc2-1-31-g86cf0e5d
[ 9.271981] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 9.286147] nf_conntrack version 0.5.0 (1024 buckets, 4096 max)
[ 9.348974] xt_time: kernel timezone is -0000
[ 9.410111] PPP generic driver version 2.4.2
[ 9.417198] NET: Registered protocol family 24
[ 9.459411] kmodloader: done loading kernel modules from /etc/modules.d/*
[ 10.578728] urandom_read: 5 callbacks suppressed
[ 10.578738] random: jshn: uninitialized urandom read (4 bytes read)
[ 10.648636] random: jshn: uninitialized urandom read (4 bytes read)
[ 20.208600] br-lan: port 1(eth0) entered blocking state
[ 20.214091] br-lan: port 1(eth0) entered disabled state
[ 20.219896] device eth0 entered promiscuous mode
[ 20.281342] IPv6: ADDRCONF(NETDEV_UP): br-lan: link is not ready
[ 20.419605] IPv6: ADDRCONF(NETDEV_UP): eth1: link is not ready
[ 22.264640] eth0: link up (100Mbps/Full duplex)
[ 22.269399] br-lan: port 1(eth0) entered blocking state
[ 22.274848] br-lan: port 1(eth0) entered forwarding state
[ 22.321481] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
[ 121.041047] random: crng init done