memLayout() added ECC flag, bios() added language, features (linux)

lib/index.d.ts

@@ -38,6 +38,8 @@ export namespace Systeminformation {
     version: string;
     releaseDate: string;
     revision: string;
+    language?: string;
+    features?: string[];
   }
 
   interface BaseboardData {

lib/system.js

@@ -452,9 +452,8 @@ function bios(callback) {
       if (_linux || _freebsd || _openbsd || _netbsd) {
         if (process.arch === 'arm') {
           cmd = 'cat /proc/cpuinfo | grep Serial';
-
         } else {
-          cmd = 'export LC_ALL=C; dmidecode --type 0 2>/dev/null; unset LC_ALL';
+          cmd = 'export LC_ALL=C; dmidecode -t bios 2>/dev/null; unset LC_ALL';
         }
         exec(cmd, function (error, stdout) {
           let lines = stdout.toString().split('\n');
@@ -463,6 +462,20 @@ function bios(callback) {
           let datetime = util.getValue(lines, 'Release Date');
           result.releaseDate = util.parseDateTime(datetime).date;
           result.revision = util.getValue(lines, 'BIOS Revision');
+          let language = util.getValue(lines, 'Currently Installed Language').split('|')[0];
+          if (language) {
+            result.language = language;
+          }
+          if (lines.length && stdout.toString().indexOf('Characteristics:') >= 0) {
+            const features = [];
+            lines.forEach(line => {
+              if (line.indexOf(' is supported') >= 0) {
+                const feature = line.split(' is supported')[0].trim();
+                features.push(feature);
+              }
+            });
+            result.features = features;
+          }
           // Non-Root values
           const cmd = `echo -n "bios_date: "; cat /sys/devices/virtual/dmi/id/bios_date 2>/dev/null; echo;
             echo -n "bios_vendor: "; cat /sys/devices/virtual/dmi/id/bios_vendor 2>/dev/null; echo;