486SX @ 25Mhz
8MB (4MB on-board + 4 MB extra)
- Gateway 2000 External FDD Drive
- D-Link DE-650 PCMCIA Network Card with Ethernet Adapter
- MS-DOS 6.22
- Windows for Workgroups 3.11
- Windows 95 OSR1 (due to the twisted configuration of the D-Link DE-650 on WfW 3.11, I cleared the system and installed Win95. I used OSR1 because of its smaller size, of about 40MB)
- WordPerfect 6.0
- Microsoft Excel 4
- Internet Explorer 5 (Windows 95)
- mIRC (Win 95)
|System||Gateway® HandBook 486SX-25/SX-33|
|Battery||2200 mAh or 2500 mAh Ni-MH|
|BIOS||128K, includes security password and power management|
|Case dimensions||9.7 × 5.9 × 1.6 inches (W × D × H)|
|Certification||FCC Class B, UL, CSA, TUV, IEC|
|CPU||Intel SL Enhanced 80486|
|CPU speed||25 MHz, 33 MHz|
|External video graphics adapter (VGA) port||Available using VGA PC Card|
|Floppy disk drive||3.5-inch, external|
|Graphics mode||VGA gray scale|
|Input/Output ports||Floppy/parallel port, serial port, PS/2 external keyboard connector|
|Keyboard||78 Keys, 94% scale emulates standard AT keyboard|
|Mouse||EZ-Point (stick pointing device)|
|Operating Environment||10-40° C; 20-85% non-condensing humidity|
|PC Card sockets||One Type II socket|
|PC Card controller||CL-PD6710|
|Power supply||2200 mAh Ni-MH battery or plug-in AC adapter|
|RAM Type||80 ns 3.3v Low power Dynamic Random Access Memory (DRAM)|
|RAM capacity||4, 8, 20|
|Screen||Backlit black negative FSTN LCD, 640×480, 7.8-inch diagonal|
|Video controller||Chips and Technologies 65510 controller|
|Video memory||256 K|
|Weight||2.9 pounds with battery|
Part number HB4DX2-40,HB4DX2-50,HB4SX-25,HB4SX-33,HB4SX25-130,SYSHBK002AAWW
Interrupt requests (IRQ) are used by hardware devices to signal to the motherboard that a request must be fulfilled.
IRQ 0 is used by the system timer.
IRQ 1 is used by the keyboard controller.
IRQ 2 is used by the second IRQ controller.
IRQ 3 is available with BIOS 1.24 or later. IRQ 3 is commonly used by modem PC Cards.
IRQ 4 is used by the serial port.
IRQ 5 is available.
IRQ 6 is used by the floppy disk drive controller.
IRQ 7 is used by the parallel port.
IRQ 8 is used by the real time clock.
IRQ 9 is available.
IRQ 10 is available unless CardSoft is installed. If CardSoft is installed, the IRQ is used as the card status change interrupt for CardSoft.
IRQ 11 is available. It is commonly used by network PC Cards.
IRQ 12 is used by the EZ-point mouse or a external PS/2 mouse.
IRQ 13 is used by math coprocessor.
IRQ 14 is used by the hard disk controller.
IRQ 15 is available.