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September 10, 1997
These release notes describe the features, modifications, and caveats for Cisco IOS Release 10.3, up to and including Release 10.3(19a). They include all routing and protocol translation features.
Cisco IOS releases 10.3(14) through 10.3(19a) are deemed "Generally Deployable." Cisco believes that Release 10.3 is suitable for deployment anywhere in the network where the features and functionality of this release are required.
Cisco IOS Release 10.3(19a) is the last regularly scheduled 10.3 maintenance release. The End of Engineering milestone occurs at Release 10.3(19a).
These release notes discuss the following topics:
For printed documentation of Cisco IOS Release 10.3 router software features, refer to the Cisco IOS Release 10.3 Router Products Configuration Guide Addendum and Router Products Command Reference Addendum. These addenda include new features introduced since Release 10.0 and supplement the information in the following manuals:
The configuration guide and command reference addenda are divided into seven main parts. Six parts match the parts in the Release 10 Router Products Configuration Guide and Router Products Command Reference. The seventh part contains chapters covering new technology areas.
Electronic documentation of Release 10.3 router software features is available on the Documentation CD-ROM. Refer to the Release 10.3 Router Products Configuration Guide and Router Products Command Reference publications, which are located in the Cisco IOS Release 10.3 database. (Note that the two addenda are not separate documents on CD because the information in them has been incorporated into the electronic documents.)
For printed protocol translation documentation, refer to the Release 10.3 Protocol Translation Configuration Guide and Command Reference publication. On CD, refer to the Release 10.3 Protocol Translation Configuration Guide and Command Reference publication in the Cisco IOS Release 10.3 database.
You can also access Cisco technical documentation on the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.
Cisco IOS Release 10.3 supports the following router platforms:
Table 1 summarizes the LAN interfaces supported on each platform. Table 2 summarizes the WAN data rates and interfaces supported on each platform.
| Interface | Cisco 7000, 7500 Series | Cisco 4000 Series | Cisco 3000 Series1 | Cisco 2500 Series2 | Cisco 1000 Series Routers | Cisco 1000 LAN Extender | Access- Pro PC Card | AGS+ | MGS | CGS |
|---|---|---|---|---|---|---|---|---|---|---|
Ethernet (AUI) | Yes | Yes | Yes | Yes | No | Yes | No | Yes | Yes | Yes |
Ethernet (10BaseT) | No | Yes | No | Yes (2505 and 2507 only) | Yes | Yes | Yes | Yes | No | No |
Fast Ethernet (100BaseTX) | Yes | No | No | No | No | No | No | No | No | No |
4-Mbps Token Ring | Yes | Yes | Yes | Yes | No | No | Yes | Yes | Yes | Yes |
16-Mbps Token Ring | Yes | Yes | Yes | Yes | No | No | Yes | Yes | Yes | Yes |
FDDI DAS | Yes | Yes | No | No | No | No | No | Yes | No | No |
FDDI SAS | Yes | Yes | No | No | No | No | No | Yes | No | No |
FDDI multimode | Yes | Yes (DAS/ | No | No | No | No | No | Yes | No | No |
FDDI single-mode | Yes | Yes | No | No | No | No | No | Yes | No | No |
ATM Interface Processor (AIP) | Yes | No | No | No | No | No | No | No | No | No |
Channel Interface Processor (CIP) | Yes | No | No | No | No | No | No | No | No | No |
Second-generation Channel Interface Processor (CIP2)3 | Yes | No | No | No | No | No | No | No | No | No |
MultiChannel Interface Processor (MIP) | Yes | No | No | No | No | No | No | No | No | No |
| Cisco 7000, 7500 Series | Cisco 4000 Series | Cisco 3000 Series1 | Cisco 2500 Series2 | Cisco 1000 Series Routers3 | Cisco 1000 LAN Extender | Access-Pro PC Card | AGS+ | MGS | CGS | |
|---|---|---|---|---|---|---|---|---|---|---|
| Data Rate |
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48/56/64 kbps | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
1.544/2.048 Mbps | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
34/45/52 Mbps | Yes | No | No | No | No | No | No | Yes | No | No |
| Interface |
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EIA/TIA-232 | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes |
X.21 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
V.35 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
EIA/TIA-449 | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | No | No |
EIA-530 | Yes | Yes | Yes | Yes | Yes | No | Yes | No | No | No |
EIA/TIA -613 (HSSI) | Yes | No | No | No | No | No | No | Yes | No | No |
ISDN BRI | No | Yes | Yes | Yes | Yes | No | Yes | No | No | No |
ISDN PRI | Yes | No | No | No | No | No | No | No | No | No |
G.703/G.704 | Yes | Yes | No | No | No | No | No | Yes | No | No |
| 1Except the Cisco 3202. 2Except the Cisco 2520 through Cisco 2525. 3Except the Cisco 1005. |
The Cisco IOS software is available in different packages depending upon the platform.
| Feature | Feature Set | ||
|---|---|---|---|
| Enterprise | Enterprise/CIP2 | Source Route Switch1 | |
SNMP | Yes | Yes | Yes |
Asynchronous support (SLIP) | Yes | Yes | |
Frame Relay | Yes | Yes | |
SMDS | Yes | Yes | |
X.25 | Yes | Yes | |
ISDN | Yes | Yes | |
PPP | Yes | Yes | |
HDLC | Yes | Yes | |
IP | Yes | Yes | Yes (host only) |
RIP | Yes | Yes | |
IGRP | Yes | Yes | |
Enhanced IGRP | Yes | Yes | |
OSPF | Yes | Yes | |
BGP | Yes | Yes | |
EGP | Yes | Yes | |
PIM | Yes | Yes | |
NHRP | Yes | Yes | |
ES-IS | Yes | Yes | |
IS-IS | Yes | Yes | |
Snapshot routing | Yes | Yes | |
NTP | Yes | Yes | |
Transparent bridging | Yes | Yes | Yes |
Translational bridging | Yes | Yes | |
Multiring | Yes | Yes | |
LAN extension host | Yes | Yes | |
IPX | Yes | Yes | |
NLSP | Yes | Yes | |
IPXWAN 2.0 | Yes | Yes | |
AppleTalk Versions 1 and 2 | Yes | Yes | |
AURP | Yes | Yes | |
DECnet IV, V | Yes | Yes | |
Apollo Domain | Yes | Yes | |
Banyan VINES | Yes | Yes | |
ISO CLNS | Yes | Yes | |
XNS | Yes | Yes | |
Source-route bridging | Yes | Yes | Yes |
Remote source-route bridging | Yes | Yes | |
DLSw+ | Yes | Yes | |
SDLC | Yes | Yes | |
SDLLC | Yes | Yes | |
STUN | Yes | Yes | |
TG/COS | Yes | Yes | |
QLLC | Yes | Yes | |
DSPU | Yes | Yes | |
Telnet | Yes | Yes | |
AutoInstall | Yes | Yes | |
DHCP | Yes | Yes | |
| 1The Source Route Switch applies to the Cisco 7000 and Cisco 7010 only, not to the AGS+, MGS, or CGS. |
| Feature | Feature Set | |
|---|---|---|
| IP | IP/IPX/AT | |
SNMP | Yes | Yes |
Asynchronous support (SLIP) | | |
ARA | | |
Frame Relay (RFC 1490) | | |
SMDS | | |
X.25 | | |
ISDN | Yes | Yes |
PPP | Yes | Yes |
HDLC | Yes | Yes |
IP | Yes | Yes |
RIP | Yes | Yes |
IGRP | Yes | Yes |
Enhanced IGRP | Yes | Yes |
OSPF | | |
BGP | | |
EGP | | |
PIM | | |
NHRP | | |
ES-IS | | |
IS-IS | | |
Snapshot routing | Yes | Yes |
NTP | | |
Transparent bridging | Yes | Yes |
Multiring | | |
LAN extension host | | |
IPX | | Yes |
NLSP | | |
IPXWAN 2.0 | | Yes |
AppleTalk Versions 1 and 2 | | Yes |
AURP | | |
DECnet IV | | |
DECnet V | | |
Apollo Domain | | |
Banyan VINES | | |
ISO CLNS | | |
XNS | | |
Source-route bridging/ | | |
DLSw+ | | |
SDLC | | |
SDLLC | | |
STUN | | |
TG/COS | | |
QLLC | | |
DSPU | | |
Protocol translation | | |
TN3270 | | |
LAT | | |
XRemote | | |
Telnet | Yes | Yes |
AutoInstall | | |
DHCP | | |
| Feature | Feature Set | ||
|---|---|---|---|
| IP | IP/IPX/AT | IP/IPX/AT/X.25 | |
SNMP | Yes | Yes | Yes |
Asynchronous support (SLIP) | | | |
ARA | | | |
Frame Relay (RFC 1490) | Yes | Yes | |
SMDS | Yes | Yes | |
X.25 | Yes | | Yes |
ISDN | | | |
PPP | Yes | Yes | |
HDLC | Yes | Yes | Yes |
IP | Yes | Yes | Yes |
RIP | Yes | Yes | Yes |
IGRP | Yes | Yes | Yes |
Enhanced IGRP | Yes | Yes | Yes |
OSPF | | | |
BGP | | | |
EGP | | | |
PIM | | | |
NHRP | | | |
ES-IS | | | |
IS-IS | | | |
Snapshot routing | Yes | Yes | |
NTP | | | |
Transparent bridging | Yes | Yes | Yes |
Multiring | | | |
LAN extension host | | | |
IPX | | Yes | Yes |
NLSP | | | |
IPXWAN 2.0 | | Yes | Yes |
AppleTalk Versions 1 and 2 | | Yes | Yes |
AURP | | | |
DECnet IV | | | |
DECnet V | | | |
Apollo Domain | | | |
Banyan VINES | | | |
ISO CLNS | | | |
XNS | | | |
Source-route bridging/ | | | |
DLSw+ | | | |
SDLC | | | |
SDLLC | | | |
STUN | | | |
TG/COS | | | |
QLLC | | | |
DSPU | | | |
Protocol translation | | | |
TN3270 | | | |
LAT | | | |
XRemote | | | |
Telnet | Yes | Yes | Yes |
AutoInstall | Yes | Yes | Yes |
DHCP | | | |
| Feature | Feature Set | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| IP | IP/IBM Base | IP/IPX | IP/IPX/ IBM Base | Desktop | Desktop/ IBM Base | Enterprise | CFRAD | ISDN | |
SNMP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Asynchronous support (SLIP) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
ARA | | | | | Yes | Yes | Yes | | |
Frame Relay (RFC 1490) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |
SMDS | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | |
X.25 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | |
ISDN | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Yes |
PPP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
HDLC | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | |
IP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
RIP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
IGRP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Enhanced IGRP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
OSPF | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Yes |
BGP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Yes |
EGP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Yes |
PIM | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Yes |
NHRP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Yes |
ES-IS | | | | | | | Yes | | |
IS-IS | | | | | | | Yes | | |
Snapshot routing | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Yes |
NTP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | |
Transparent and translational bridging | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Yes |
Multiring | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Yes |
LAN extension host | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | |
IPX | | | Yes | Yes | Yes | Yes | Yes | | Yes |
NLSP | | | Yes | Yes | Yes | Yes | Yes | | |
IPXWAN 2.0 | | | Yes | Yes | Yes | Yes | Yes | | |
AppleTalk Versions 1 and 2 | | | | | Yes | Yes | Yes | | Yes |
AURP | | | | | Yes | Yes | Yes | | Yes |
DECnet IV | | | | | Yes | Yes | Yes | | |
DECnet V | | | | | | | Yes | | |
Apollo Domain | | | | | | | Yes | | |
Banyan VINES | | | | | | | Yes | | |
ISO CLNS | | | | | | | Yes | | |
XNS | | | | | | | Yes | | |
SRB | | Yes | | Yes | | Yes | Yes | | |
RSRB | | Yes | | Yes | | Yes | Yes | Yes | |
DLSw (RFC 1795) | | Yes | | Yes | | Yes | Yes | Yes | |
DLSw+ | | Yes | | Yes | | Yes | Yes | | |
SDLC | | Yes | | Yes | | Yes | Yes | Yes | |
SDLLC | | Yes | | Yes | | Yes | Yes | Yes | |
STUN | | Yes | | Yes | | Yes | Yes | Yes | |
TG/COS | | | | | | | Yes | | |
QLLC | | | | | | | Yes | | |
DSPU | | | | | | | Yes | | |
Protocol translation | | | | | | | Yes | | |
TN3270 | | | | | | | Yes | | |
LAT | | | | | | | Yes | | |
XRemote | | | | | | | Yes | | |
Telnet | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
AutoInstall | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |
DHCP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Yes |
| Feature | Feature Set | ||||||
|---|---|---|---|---|---|---|---|
| IP | IP/IBM Base | IP/IPX | IP/IPX/ IBM Base | Desktop | Desktop/ IBM Base | Enterprise | |
SNMP | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Asynchronous support (SLIP) | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
ARA | | | | | | | |
Frame Relay (RFC 1490) | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
SMDS | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
X.25 | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
ISDN | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
PPP | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
HDLC | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
IP | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
RIP | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
IGRP | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Enhanced IGRP | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
OSPF | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
BGP | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
EGP | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
PIM | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
NHRP | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
ES-IS | | | | | | | Yes |
IS-IS | | | | | | | Yes |
Snapshot routing | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
NTP | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Transparent and translational bridging | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Multiring | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
LAN extension host | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
IPX | | | Yes | Yes | Yes | Yes | Yes |
NLSP | | | Yes | Yes | Yes | Yes | Yes |
IPXWAN 2.0 | | | Yes | Yes | Yes | Yes | Yes |
AppleTalk Versions 1 and 2 | | | | | Yes | Yes | Yes |
AURP | | | | | Yes | Yes | Yes |
DECnet IV | | | | | Yes | Yes | Yes |
DECnet V | | | | | | | Yes |
Apollo Domain | | | | | | | Yes |
Banyan VINES | | | | | | | Yes |
ISO CLNS | | | | | | | Yes |
XNS | | | | | | | Yes |
Source-route bridging/ | | Yes | | Yes | | Yes | Yes |
DLSw+ | | Yes | | Yes | | Yes | Yes |
SDLC | | Yes | | Yes | | Yes | Yes |
SDLLC | | Yes | | Yes | | Yes | Yes |
STUN | | Yes | | Yes | | Yes | Yes |
TG/COS | | | | | | | Yes |
QLLC | | | | | | | Yes |
DSPU | | | | | | | Yes |
Protocol translation | | | | | | | Yes |
TN3270 | | | | | | | Yes |
LAT | | | | | | | Yes |
XRemote | | | | | | | Yes |
Telnet | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
AutoInstall | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
DHCP | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Feature | Enterprise |
|---|---|
SNMP | Yes |
Asynchronous support (SLIP) | Yes |
ARA | Yes |
Frame Relay | Yes |
SMDS | Yes |
X.25 | Yes |
ISDN | Yes |
PPP | Yes |
HDLC | Yes |
IP | Yes |
RIP | Yes |
IGRP | Yes |
Enhanced IGRP | Yes |
OSPF | Yes |
BGP | Yes |
EGP | Yes |
PIM | Yes |
NHRP | Yes |
ES-IS | Yes |
IS-IS | Yes |
Snapshot routing | Yes |
NTP | Yes |
Transparent bridging | Yes |
Translational bridging | Yes |
Multiring | Yes |
LAN extension host | Yes |
IPX | Yes |
NLSP | Yes |
IPXWAN 2.0 | Yes |
AppleTalk Versions 1 and 2 | Yes |
AURP | Yes |
DECnet | Yes |
Apollo Domain | Yes |
Banyan VINES | Yes |
ISO CLNS | Yes |
XNS | Yes |
Source-route bridging | Yes |
Remote source-route bridging | Yes |
DLSw+ | Yes |
SDLC | Yes |
SDLLC | Yes |
STUN | Yes |
TG/COS | Yes |
QLLC | Yes |
DSPU | Yes |
AutoInstall | Yes |
Telnet | Yes |
Protocol translation | Yes |
TN3270 | Yes |
LAT | Yes |
XRemote | Yes |
DHCP | Yes |
Beginning with Cisco IOS Release 10.3, some software images exceed 4 MB and when compressed exceed 2 MB. Also, some of the systems now require more than 1 MB of main system memory for data structure tables.
For AGS+, MGS, and CGS routers to take advantage of the Release 10.3 features, they must have CSC/4 processor cards and 9.1(8)-level (or higher) system ROMs for netbooting.
For the other Cisco routers to take advantage of the Release 10.3 features, you must upgrade the code or main system memory as listed in Table 9. Some platforms have specific chip or architecture requirements that affect what can be upgraded and in what increments.
| Router | Required Code Memory | Required Main Memory | Release 10.3 Runs from |
|---|---|---|---|
| Cisco 1000 Series Routers |
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IP Set | 2/4/8 MB optional Flash | 4 MB RAM | RAM |
IP/IPX/AT Set | 2/4/8 MB optional Flash | 4 MB RAM | RAM |
| Cisco 2500 Series |
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IP Set | 4 MB Flash | 2 MB RAM1 | Flash |
IP/IBM Set | 4 MB Flash | 4 MB RAM | Flash |
IP/IPX Set | 4 MB Flash | 4 MB RAM | Flash |
IP/IPX/IBM Set | 8 MB Flash | 4 MB RAM | Flash |
Desktop Set | 4 MB Flash | 4 MB RAM | Flash |
Desktop/IBM Set | 8 MB Flash | 4 MB RAM | Flash |
Enterprise Set | 8 MB Flash | 6 MB RAM | Flash |
CFRAD Set | 4 MB Flash | 2 MB RAM | Flash |
ISDN Set | 4 MB Flash | 2 MB RAM | Flash |
| Cisco 3101, Cisco 3102, Cisco 3103 | 8 MB Flash | 4 MB RAM | Flash |
4 MB Flash | 8 MB RAM | RAM | |
| Cisco 3104, Cisco 3204 | 8 MB Flash | 4 MB RAM | Flash |
4 MB Flash | 8 MB RAM | RAM | |
| Cisco 4000 |
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IP Set | 4 MB Flash | 16 MB RAM | RAM |
IP/IBM Set | 4 MB Flash | 16 MB RAM | RAM |
IP/IPX Set | 4 MB Flash | 16 MB RAM | RAM |
IP/IPX/IBM Set | 4 MB Flash | 16 MB RAM | RAM |
Desktop Set | 4 MB Flash | 16 MB RAM | RAM |
Desktop/IBM Set | 4 MB Flash | 16 MB RAM | RAM |
Enterprise Set | 4 MB Flash | 16 MB RAM | RAM |
| Cisco 4000-M |
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IP Set | 4 MB Flash | 8 MB RAM | RAM |
IP/IBM Set | 4 MB Flash | 8 MB RAM | RAM |
IP/IPX Set | 4 MB Flash | 8 MB RAM | RAM |
IP/IPX/IBM Set | 4 MB Flash | 8 MB RAM | RAM |
Desktop Set | 4 MB Flash | 8 MB RAM | RAM |
Desktop/IBM Set | 4 MB Flash | 8 MB RAM | RAM |
Enterprise Set | 4 MB Flash | 8 MB RAM | RAM |
| Cisco 4500 |
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IP Set | 4 MB Flash | 8 MB RAM | RAM |
IP/IBM Set | 4 MB Flash | 32 MB RAM | RAM |
IP/IPX Set | 4 MB Flash | 8 MB RAM | RAM |
IP/IPX/IBM Set | 4 MB Flash | 32 MB RAM | RAM |
Desktop Set | 4 MB Flash | 32 MB RAM | RAM |
Desktop/IBM Set | 4 MB Flash | 32 MB RAM | RAM |
Enterprise Set | 4 MB Flash | 32 MB RAM | RAM |
| Cisco 4500-M |
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IP Set | 4 MB Flash | 8 MB RAM | RAM |
IP/IBM Set | 4 MB Flash | 16 MB RAM | RAM |
IP/IPX Set | 4 MB Flash | 8 MB RAM2 | RAM |
IP/IPX/IBM Set | 4 MB Flash | 16 MB RAM | RAM |
Desktop Set | 4 MB Flash | 16 MB RAM |