Hackers' NoteBook
CY486SLC Single Board System Board
| U1 U3 U4 U5 |
Standard 30 Pin SIMM | This board supports 256K, 1M and 4M modules. From 1M to 16M total memory is supported. 80-ns or faster memory is supported (100-ns may work but not tested). | |||||||||||||||
| U11 | Cx486SLC2-50MP Central Processor |
Info - or - FAQs | |||||||||||||||
| U13 | 27c1001-20 F1 128Kx8 EPROM |
PDF Spec Sheet | |||||||||||||||
| U7 | D43256BGU-70L 32Kx8 Low Power SRAM |
Chip Pinout | |||||||||||||||
| U10 | 82C836 System Controller |
PDF Spec Sheet | |||||||||||||||
| U2 | ST16c552 Dual Serial Controller w/Parallel Port |
PDF Spec Sheet | |||||||||||||||
| U9 | ST16C2550 Dual Serial Controller |
Chip Information | |||||||||||||||
| U8 | N82C42PC Keyboard Controller |
Chip Information | |||||||||||||||
| U45 U46 |
424260-70 VGA Video RAM 512K x 16 (1M) |
Chip Pinout | |||||||||||||||
| U50 | CL-GD5428-80QC-A VGA Video Controller |
Spec currently unavailable Driver widely available |
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| U17 | 74HC138 Address Decoder |
Standard TTL May be of interest to re-map eprom/ram? |
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| COM1 | 03F8-03FFh IRQ 04 |
High Speed Serial Port 16550 16 byte Fifo |
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| COM2 | 02F8-02ffh IRQ 03 |
High Speed Serial Port 16550 16 byte Fifo |
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| COM3 | 03E8-03EFh IRQ 10 |
High Speed Serial Port 16550 16 byte Fifo |
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| COM4 | 02E8-02Efh IRQ 11 |
High Speed Serial Port 16550 16 byte Fifo |
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| ROM | EPROM MAP |
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