System information

General Information 1-3
− Intel Pentium II –350, 400, 450 MHz internal, 100 MHz external
(2139)
− Intel Celeron –300, 333 MHz internal, 66 MHz external
(2153/Celeron)
Memory
• 512-KB Pipeline Burst Static RAM (PBSRAM). Fixed onboard for 2153/K6,
built-in Pentium II processor for 2139, 128-KB PBSRAM built-in Celeron
processor for 2153/Celeron.
• Onboard fixed video Synchronize Graphics RAM (SGRAM), 2- or 4-MB for
Machine Type 2153, 4-MB for 2139.
• 168-pin synchronous dynamic random access memory (SDRAM), dual
inline memory module (DIMM) sockets.
− 2 memory sockets for Machine Type 2153, 3 sockets for 2139.
− 16-MB, 32-MB, 64-MB or 128-MB DIMM.
− PC-100(64-bit, non ECC, 100MHz, 3.3volt) DIMMs with gold
contacts.(PC-66 for 2153/Celeron)
− For 2153, maximum memory is 256MB, for 2139 maximum
memory is 384MB.
External Ports
• Video port (15-pin D-sub connector)
• Parallel port (25-pin D-sub connector)
• Serial port (9-pin D-sub connector)
• Game/MIDI port (15-pin D-sub connector)
• Keyboard port (6-pin PS/2 mini-din connector)
• Mouse port (6-pin PS/2 mini-din connector)
• Two USB ports
• Microphone-in jack
• Speaker-out jack
• Line-in jack
Diskette Drive
• AT-type