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Release Note

Welcome to KH2508A/KH2516A 2-console 8/16-port Cat 5 High-Density KVM Switch
Notice: Before downloading the firmware , be sure to read the following information carefully.
This latest version is cumulative and includes the corrections contained in all previous revisions. There is no need to install previous version if you are installing this one.
Version History
VersionDescriptionNote
V1.8.173Support new dongle of KA7183.Main CPU: V1.8.173
KA9120(V2.6.251)
KA9170(V3.2.316)
KA9520(2.4.231)
KA9570(V3.1.302)
KA9130(V2.4.232)
KA9140(V2.1.203)
KA7570(V1.2.112)
KA7520(V1.1.105)
KA7120(V2.6.251)
KA7170(V3.4.332)
KA7140(V1.1.101)
KA7130(V2.4.232)
KA7920(V1.1.101)
KA7970(V1.1.103)
KA7166(V1.7.162)
KA7168(V1.7.162)
KA7169(V1.7.162)
KA7183(V1.0.098)

Devices produced from this version might not be able to downgrade. Contact technical support for further help.
V1.7.1631. Expand the firmware-supported IC listDevices produced from this version might not be able to downgrade. Contact technical support for further help.
V1.6.154Fixed console keyboard settings doesn't work correctly in OSD login in pageMain CPU: V1.6.154
KA9120(V2.6.251)
KA9170(V3.2.316)
KA9520(2.4.231)
KA9570(V3.1.302)
KA9130(V2.4.232)
KA9140(V2.1.203)
KA7570(V1.2.112)
KA7520(V1.1.105)
KA7120(V2.6.251)
KA7170(V3.4.332)
KA7140(V1.1.101)
KA7130(V2.4.232)
KA7920(V1.1.101)
KA7970(V1.1.103)
KA7166(V1.6.158)
KA7168(V1.6.158)
KA7169(V1.6.158)
V1.6.1531. Improve DP dongle compatibility
2. Fix OSD F4 SET VIDEO HV MODE string not showed in multilanguage
V1.6.152Upgrade the bundled KA7970 firmware versionMain CPU: V1.6.152
KA9120(V2.5.246),
KA9170(V3.2.316),
KA9520(2.4.231),
KA9570(V3.1.302),
KA9170B(V3.2.316),
KA9130(V2.4.232),
KA9140(V2.1.203),
KA9570B(V3.1.302),
KA7570(V1.2.112),
KA7520(V1.1.105),
KA7120(V2.5.246),
KA7170(V3.4.332),
KA7140(V1.1.101),
KA7130(V2.4.232),
KA7920(V1.1.101),
KA7970(V1.1.103),
KA7166(V1.5.146),
KA7168(V1.5.146),
KA7169(V1.5.146),
KA7170_ASIC(V3.4.332),
KA7570_ASIC(V1.2.112),
KA7166_ASIC(V1.6.156),
KA7168_ASIC(V1.6.156),
KA7169_ASIC(V1.6.156)
V1.6.1511. Add H/V Sync Mode on OSD menu
2. Updated KA7170/KA7570 F/W version to v3.4.332
3. Improved DELL monitor compatibility.		Main CPU: V1.6.151
KA9120(V2.5.246),
KA9170(V3.2.316),
KA9520(2.4.231),
KA9570(V3.1.302),
KA9170B(V3.2.316),
KA9130(V2.4.232),
KA9140(V2.1.203),
KA9570B(V3.1.302),
KA7570(V1.2.112),
KA7520(V1.1.105),
KA7120(V2.5.246),
KA7170(V3.4.332),
KA7140(V1.1.101),
KA7130(V2.4.232),
KA7920(V1.1.101),
KA7970(V1.1.101),
KA7166(V1.5.146),
KA7168(V1.5.146),
KA7169(V1.5.146),
KA7170_ASIC(V3.4.332),
KA7570_ASIC(V1.2.112),
KA7166_ASIC(V1.6.156),
KA7168_ASIC(V1.6.156),
KA7169_ASIC(V1.6.156)
V1.5.1411. Modify the KH2508A/KH2516A OSD resolution.Main CPU: V1.5.141
KA9120(V2.5.246),
KA9170(V3.2.316),
KA9520(2.4.231),
KA9570(V3.1.302),
KA9170B(V3.2.316),
KA9130(V2.4.232),
KA9140(V2.1.203),
KA9570B(V3.1.302),
KA7570(V1.1.107),
KA7520(V1.1.105),
KA7120(V2.5.246),
KA7170(V3.3.327),
KA7140(V1.1.101),
KA7130(V2.4.232),
KA7920(V1.1.101),
KA7970(V1.1.101),
KA7166(V1.5.146),
KA7168(V1.5.146),
KA7169(V1.5.146),
KA7170_ASIC(V3.3.327),
KA7570_ASIC(V1.1.107)
V1.4.1311. Improved video interference.Main CPU: V1.4.131 KA9120(V2.5.246), KA9170(V3.2.316), KA9520(2.4.231), KA9570(V3.1.302), KA9170B(V3.2.316), KA9130(V2.4.232), KA9140(V2.1.203), KA9570B(V3.1.302), KA7570(V1.1.107), KA7520(V1.1.105), KA7120(V2.5.246), KA7170(V3.3.327), KA7140(V1.1.101), KA7130(V2.4.232), KA7920(V1.1.101), KA7970(V1.1.101), KA7166(V1.5.146), KA7168(V1.5.146), KA7169(V1.5.146), KA7170_ASIC(V3.3.327), KA7570_ASIC(V1.1.107)
V1.3.1291. Enhance video quality when the KH2508A/KH2516A is at daisy-chain mode.Main CPU: V1.3.129
KA9120(V2.5.246)
KA9170(V3.2.316)K
KA9520(2.4.231)
KA9570(V3.1.302
KA9170B(V3.2.316)
KA9130(V2.4.232)
KA9140(V2.1.203)
KA9570B(V3.1.302)
KA7570(V1.1.107)
KA7520(V1.1.105)
KA7120(V2.5.246)
KA7170(V3.3.327)
KA7140(V1.1.101)
KA7130(V2.4.232)
KA7920(V1.1.101)
KA7970(V1.1.101)
KA7166(V1.5.146)
KA7168(V1.5.146)
KA7169(V1.5.146)
KA7170_ASIC(V3.3.327)
V1.3.1281. Improved the compatibility with Gett Silikonmaus KH19216 mouse
2. Enhance video quality when the KH2508A/KH2516A is at daisy-chain mode.		Main CPU: V1.3.128
KA9120(V2.5.246)
KA9170(V3.2.316)
KA9520(2.4.231)
KA9570(V3.1.302)
KA9170B(V3.2.316)
KA9130(V2.4.232)
KA9140(V2.1.203)
KA9570B(V3.1.302)
KA7570(V1.1.107)
KA7520(V1.1.105)
KA7120(V2.5.246)
KA7170(V3.3.327)
KA7140(V1.1.101)
KA7130(V2.4.232)
KA7920(V1.1.101)
KA7970(V1.1.101)
KA7166(V1.5.146)
KA7168(V1.5.146)
KA7169(V1.5.146)
KA7170_ASIC(V3.3.327)
KA7570_ASIC(V1.1.107)
V1.3.1241. Improve keyboard compatibility
2. Fix the bug of not being able to read, via KH2508A/KH2516A, the firmware version information of the dongle currently in use.		Main CPU: V1.3.124
KA9120(V2.5.246),
KA9170(V3.2.316),
KA9520(2.4.231),
KA9570(V3.1.302),
KA9170B(V3.2.316),
KA9130(V2.4.232),
KA9140(V2.1.203),
KA9570B(V3.1.302),
KA7570(V1.1.107),
KA7520(V1.1.105),
KA7120(V2.5.246),
KA7170(V3.2.327),
KA7140(V1.1.101),
KA7130(V2.4.232),
KA7920(V1.1.101),
KA7970(V1.1.101),
KA7166(V1.4.132),
KA7168(V1.4.132),
KA7169(V1.4.132),
KA7170_ASIC(V3.3.327),
KA7570_ASIC(V1.1.107)
V1.3.1221. Improve KB/MS compatibility
2. When there is only 1 station, users can skip key in station number to switch port.
3. Modify OSD "Product Serial Number" item to "MFG".		Main CPU : V1.3.122
KA9120(V2.5.246),
KA9170(V3.2.316),
KA9520(2.4.231),
KA9570(V3.1.302),
KA9170B(V3.2.316),
KA9130(V2.4.232),
KA9140(V2.1.203),
KA9570B(V3.1.302),
KA7570(V1.1.103),
KA7520(V1.1.105),
KA7120(V2.5.246),
KA7170(V3.2.316),
KA7140(V1.1.101),
KA7130(V2.4.232),
KA7920(V1.1.101),
KA7970(V1.1.101),
KA7166(V1.4.132),
KA7168(V1.4.132),
KA7169(V1.4.132),
KA7170_ASIC(V3.3.326),
KA7570_ASIC(V1.1.106)
V1.2.1191. Support KA7170 ASIC and KA7570 ASIC USB KVM adapter cables
2. Improve USB devices response time		Main CPU : V1.2.119
KA9120(V2.5.246),
KA9170(V3.2.316),
KA9520(2.4.231),
KA9570(V3.1.302),
KA9170B(V3.2.316),
KA9130(V2.4.232),
KA9140(V2.1.203),
KA9570B(V3.1.302),
KA7570(V1.1.103),
KA7520(V1.1.105),
KA7120(V2.5.246),
KA7170(V3.2.316),
KA7140(V1.1.101),
KA7130(V2.4.232),
KA7920(V1.1.101),
KA7970(V1.1.101),
KA7166(V1.4.132),
KA7168(V1.4.132),
KA7169(V1.4.132),
KA7170_ASIC(V3.3.326),
KA7570_ASIC(V1.1.106)
V1.2.1171. Fixed F/W upgrade bug in previous version
2. Each device need to upgrade itself before daisy chainin
3. Support KA7166/KA7168/KA7169 Digital Video USB KVM Adapter		Main CPU: V1.2.117
KA9120(V2.5.246),
KA9170(V3.2.316),
KA9520(2.4.231),
KA9570(V3.1.302),
KA9170B(V3.2.316),
KA9130(V2.4.232),
KA9140(V2.1.203),
KA9570B(V3.1.302),
KA7570(V1.1.103),
KA7520(V1.1.105),
KA7120(V2.5.246),
KA7170(V3.2.316),
KA7140(V1.1.101),
KA7130(V2.4.232),
KA7920(V1.1.101),
KA7970(V1.1.101),
KA7166(V1.4.132),
KA7168(V1.4.132),
KA7169(V1.4.132)
V1.2.1151. Fixed F/W upgrade bug in previous version
2. Each device need to upgrade itself before daisy chaining.
3. F/W upgrade process
a. user must upgrade to relay version (KH25xxA_Relay_Version_V1.2.114.exe)
b. If the relay version have been upgraded, then user can upgrade to V1.2.115 or later version
4. Add “PRODUCT SERIAL NUMBER function on OSD”
5. Add “OSD Configuration Backup/Restore”		Main CPU: V1.2.115
KA9120: V2.5.246
KA7120: V2.5.246
KA9570: V3.1.302
KA9570B: V3.1.302
KA7520: V1.1.105
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