IBM PS/2 Note N51 SLC & N51 SX
The IBM PS/2 Note N51 SLC and N51 SX are 386-based laptops that were released in March 1992. They succeeded the N33 SX model from the previous year. The N51 was based on IBM's Microchannel architecture, and as such, it used rare 2.5" ESDI hard disks and had a Microchannel expansion bus port on the rear.
Specifications
| Spec | PS/2 Note N51 SLC | PS/2 Note N51 SX |
|---|---|---|
| Release Date | March 1992 | |
| CPU | CPU Type: Unknown IBM 386SLC @16MHz | CPU Type: Unknown Intel 386SX @16MHz |
| Chipset | Unknown | |
| RAM | Type: SIMM Standard: 2MB Maximum: 10MB | |
| Storage | 2.5" ESDI Requires Adapter: Unknown Standard: 80MB | 2.5" ESDI Requires Adapter: Unknown Standard: 40MB |
| Display Options | 9.5" Passive Matrix Grayscale (16 shades) LCD @640x480 | |
| Graphics Chipset | Unknown VRAM: 256KB | Unknown VRAM: Unknown |
| Audio | PC Speaker | |
| Main Battery | 2x NiMH Batteries | 2x NiCad Batteries |
| CMOS Battery | - Proprietary Lithium CMOS Battery - NiCad Reserve Battery | |
| Power Supply | Unknown | |
| Media Drives | 3.5" 1.44MB Floppy Drive | |
| PC Cards | None | |
| Networking | Modem (Optional) | |
| Other I/O | - 1x Parallel - 1x Serial - 1x VGA Out - 1x PS/2 - 1x Microchannel Expansion Bus Port | |
| BIOS | IBM | |
| Pointing Device | None | |
Resources
| Link | Details |
|---|---|
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IBM PS/2 Note N51 Drivers |
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IBM PS/2 Note N51 SX/SLC Hardware Maintenance Manual |

