Specifications

Platform

• Name: D-Link DIR-882 A1
• FCC: KA2IR882A1
• IC: 4216A-IR882A1
• Board: AP-MTKH7
• Series: AC2600
• CPU: MediaTek MT7621A, 2x880 MHz
• ROM: 16 MB, Macronix MX25L12805D
• RAM: 128 MB, Nanya NT5CC64M16GP-DI
• ETH: MediaTek MT7621A, 1x GBit WAN, 4x GBit LAN
• USB: 1x USB 3.0, 1x USB 2.0
• WLAN: MT7615N, 2.4 GHz @ 802.11b/g/n, 5 GHz @ 802.11a/n/ac

DD-WRT Data

# cat /proc/cmdline 
 console=ttyS0,57600n8 root=/dev/mtdblock4 rootfstype=squashfs noinitrd

# cat /proc/cpuinfo 
system type             : Mediatek MT7621 ver:1 eco:3
processor               : 0
cpu model               : MIPS 1004Kc V2.15
BogoMIPS                : 584.90
CPUClock                : 880
wait instruction        : yes
microsecond timers      : yes
tlb_entries             : 32
extra interrupt vector  : yes
hardware watchpoint     : yes, count: 4, address/irw mask: [0x0000, 0x0000, 0x0ffb, 0x0000]
isa                     : mips1 mips2 mips32r1 mips32r2
ASEs implemented        : mips16 dsp mt
shadow register sets    : 1
kscratch registers      : 0
core                    : 0
VPE                     : 0
VCED exceptions         : not available
VCEI exceptions         : not available

processor               : 1
cpu model               : MIPS 1004Kc V2.15
BogoMIPS                : 584.90
CPUClock                : 880
wait instruction        : yes
microsecond timers      : yes
tlb_entries             : 32
extra interrupt vector  : yes
hardware watchpoint     : yes, count: 4, address/irw mask: [0x0ff8, 0x0000, 0x0ffb, 0x0000]
isa                     : mips1 mips2 mips32r1 mips32r2
ASEs implemented        : mips16 dsp mt
shadow register sets    : 1
kscratch registers      : 0
core                    : 0
VPE                     : 1
VCED exceptions         : not available
VCEI exceptions         : not available

processor               : 2
cpu model               : MIPS 1004Kc V2.15
BogoMIPS                : 584.90
CPUClock                : 880
wait instruction        : yes
microsecond timers      : yes
tlb_entries             : 32
extra interrupt vector  : yes
hardware watchpoint     : yes, count: 4, address/irw mask: [0x0000, 0x0000, 0x0ffb, 0x0000]
isa                     : mips1 mips2 mips32r1 mips32r2
ASEs implemented        : mips16 dsp mt
shadow register sets    : 1
kscratch registers      : 0
core                    : 1
VPE                     : 0
VCED exceptions         : not available
VCEI exceptions         : not available

processor               : 3
cpu model               : MIPS 1004Kc V2.15
BogoMIPS                : 584.90
CPUClock                : 880
wait instruction        : yes
microsecond timers      : yes
tlb_entries             : 32
extra interrupt vector  : yes
hardware watchpoint     : yes, count: 4, address/irw mask: [0x0000, 0x0000, 0x0ffb, 0x0000]
isa                     : mips1 mips2 mips32r1 mips32r2
ASEs implemented        : mips16 dsp mt
shadow register sets    : 1
kscratch registers      : 0
core                    : 1
VPE                     : 1
VCED exceptions         : not available
VCEI exceptions         : not available

# cat /proc/meminfo 
        total:    used:    free:  shared: buffers:  cached:
Mem:  129024000 56512512 72511488        0  4485120 10391552
Swap:        0        0        0
MemTotal:         126000 kB
MemFree:           70812 kB
MemShared:             0 kB
Buffers:            4380 kB
Cached:            10148 kB
SwapCached:            0 kB
Active:             5484 kB
Inactive:          10628 kB
Active(anon):       1584 kB
Inactive(anon):        0 kB
Active(file):       3900 kB
Inactive(file):    10628 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:             0 kB
SwapFree:              0 kB
Dirty:                 0 kB
Writeback:             0 kB
AnonPages:          1616 kB
Mapped:             2380 kB
Shmem:                 0 kB
Slab:              13984 kB
SReclaimable:       2092 kB
SUnreclaim:        11892 kB
KernelStack:         568 kB
PageTables:          256 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:       63000 kB
Committed_AS:       4368 kB
VmallocTotal:    1048304 kB
VmallocUsed:        9768 kB
VmallocChunk:     971220 kB

# cat /proc/devices 
Character devices:
  1 mem
  2 pty
  3 ttyp
  4 ttyS
  5 /dev/tty
  5 /dev/console
  5 /dev/ptmx
 10 misc
 13 input
 90 mtd
108 ppp
128 ptm
136 pts
229 nvram
252 gpio
254 watchdog

Block devices:
259 blkext
 31 mtdblock

# cat /proc/mtd 
dev:    size   erasesize  name
mtd0: 00030000 00010000 "u-boot"
mtd1: 00004000 00004000 "u-boot-env"
mtd2: 00020000 00010000 "factory"
mtd3: 00fa0000 00010000 "linux"
mtd4: 00e55000 00010000 "rootfs"
mtd5: 000b0000 00010000 "ddwrt"
mtd6: 00010000 00010000 "nvram"

# cat /sys/kernel/debug/gpio
GPIOs 0-31, platform/1e000600.gpio, 1e000600.gpio:

GPIOs 32-63, platform/1e000600.gpio, 1e000600.gpio:

GPIOs 64-95, platform/1e000600.gpio, 1e000600.gpio: